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Np231 doubler build

np231 doubler build 46:1 = 4. What is the NP231 Transfer Case. • This kit must be used w/ a CV style (double cardan) driveshaft. Body/Exterior/Armor: 1. Take two capacitors of equal capacity and breakdown voltage, charge them in as they are connected in parallel, reconnect these charged capacitors in series. Double R Designs, LTD, King William, Virginia. Version 2. One of the easiest ways to identify the NP231 is the metal tag located on the back of the transfer case. - Voltage double schematic 7. SPLINES: With all of the variations in model numbers, the only variation that we see concerning transmission adaption is the size and tooth count of the transfer case input spline. This tag indicates a 231J transfer case, with a part number of 52099211, a build date of 6-21-99 and a gear ratio of 2. Usually ships within 3 to 5 weeks. These fixed yoke kits from Advance Adapters add 3 to 4 in. The second cable is not used currently. GET ONE BEFORE THE PRICE GOES UP IN February 2014!! DIY KITS NOW AVAILABLE FOR THE FOLLOWING: BW1350 BW1354 BW4405 BW1356 NP231 2. 0L to 3. 10 gears, front is a Ford Dana 44 with an ARB air locker and 4. What I know: 23 spline input D&d machine doubler JB conversions HD input/outputs Stock ratios 2. RT Off-Road Heavy-Duty Rear Drive Shaft for the NP231 Slip Yoke Eliminator Kit . :woot: Russ His-SASed 02 Dakota Quad Cab Sport 4x4 4. Features: The RubiCrawler increases your available gear ratios. NV241-OR (from TJ Rubicon only)=near bolt in, 4:1 low range 4. 38 gears, 38. So what i have sitting in the garage as of now . 56's and locker, factory disc brakes CV driveshafts front and rear 1†Body Lift pucks Steering gear box (drilled and tapped) Hydro assist ram and lines 2†wheel spacers (set of 4) 42x15x15 swampers on beadlocks. We build a hybrid transfer case and answer the age old question of what's the easiest way to put fixed yokes in a Chevy S10. The New Process 205 t-case is arguably the toughest case made which is why a lot of us have them in our rigs. If we can build a decent database that gives a means to 'read' the tags at a glance then we can scan the racks in a salvage yard, grab a tranny & transfer case and go without having to check spline counts first. This top loaded heavy-duty transmission has a cast iron case, and is 12” in length. 1. The NP231 was manufactured with left side drop output and has a low gear ratio of 2. Double R needs to grow to help save these horses from an untimely death at no fault of their own or their owners. The chassis is custom built, the suspension is true double triangulated 4 link both front and rear. The conversion loss will vary as a function of the power and frequency applied to the input of the doubler. yoke 1310CV Yoke AA compaired to Stock (other styles of yokes available), bearings, fastening hardware, and detailed instructions. on a TJ. 72) x (4. Add Photo. Save 15% Off Instantly - Hurry! Ends 12/31/20. Just for trucks or do you build the 231 doubler for Jeeps, etc. M. New Process 205. . 00:1 high range and a 2. We stock a full line of Borg Warner 1356 transfer case parts and rebuild kits to get your 1987-1997 Ford back on the road. It is no longer a nice-to-have, but a must-have, and now is the time to double down on it. 72 low range. 17. 5" triple rate springs to prevent the coils from dropping out (Remember, no coilover$ yet ). Full hydro steering from POS. 92:1 TransferCase + 4. The NP231 was manufactured with left side drop output and has a low gear ratio of 2. FREE Shipping. This kit is also more than 3” shorter than a standard Slip Yoke Eliminator Kit and 1. Tons of them out there, they're driver's drop on most of them (some were pass. 1 gears. Early NP231's on Jeeps with a vacuum front axle disconnect feature (as is usually evident by the presence of a vacuum switch on the NP231) did not have a true neutral disconnect when shifted into neutral. This thread is basically a build thread but I also need some help here. PRODUCT OVERVIEW. AX-15 5 speed transmissionBox4rocks np231/dana300 double transfer cases. 1 out of 5 stars 12. Plan: I'll be putting a 2000 ALH in it with a t176 4 speed transmission and an np231/dana300 doubler. Coincidentally, this is the very same pedal that got me started building pedals and launched EQD. This is a cast aluminum transfer case. These transfer cases are part time four wheel drive with shift positions 4HI - 2HI - N - 4L. This was a very popular mod back around 2004-07 and there must have been 4-5 different places offering kits. 7 NV3500 5spd/Std D44/9. 584 likes · 8 talking about this. 23. You need to get the main shaft front the range case resplined so you can have it 31 spline for ford, 27 splin for chevy or 23 spline for jeep. 56 axles = Ultra Slow 4-Wheeling 1 42R706 KNOB- NP231 1 42R708 LEVER- TC NP231 * THESE ITEMS ARE ASSEMBLED AND ADJUSTED FOR THE INSTALLATION. I had a 1987 Ford Bronco with an EFI 460, NP435, NP203/205 doubler, Front dana 60 Rear 14 bolt. With the doubler, I am looking for a short term solution to split the difference with 42" tires and the 4cylinder engine. 5L/AX-5/NP231 with SYE, Spartan locked Dana 30/Aussie locked Ford 8. As for most of us it is an evolution. 10 gears. 2. (4. Ithe is currently installed in my 99XJ till I can install my atlas. This kit includes everything you need to convert the rear output of the NP231 transfer case to a fixed-style yoke. RAM Doubler: The first product to combine compression with virtual memory. This will go behind a np241 doubler, so I need an entire ps NP205 with the round pattern/female input. I got even luckier when I found out that this doubler donor was a 23 spline short input shaft! While the HP-23 may provide the voltages by modifying the HV voltage doubler to a full wave rectifier, the HP-23 100% duty cycle current ratings fall short of the 425VDC 275ma required by the HW TBS-50. Bigger tires, some bad ass D60’s and maybe some ORI Air shocks. This reduction unit replaces the stock 42RLE tailhousing with a 6 gear planetary reduction box featuring a 2. 4. The NP231 is 1:1 direct drive in high range, and use planetary reduction gears for low range with a ratio of 2. I'd like to see a 231 doubler/adapter anyway. Build thread for OJ, my YJ. This frequency doubler uses one CMOS quad, two input NAND gate package type 4011. 99. Stretch the wheelbase a bit, Lower gearing. 2. 6061-t6 aluminum adapter plates. A top selling Mac utility for many years which eventually was made obsolete as Apple improved their own virtual memory. 231/300 Doubler build; NP231 Tech Thread (doubler, chain upgrade, 6-planetary upgrade) Pinion seal replacement; Brakes: Issues & flaws of the stock brakes; Brake Knuckle Divot/Groove Repair; Stu Off-Road Vanco brake install; Vanco Brake Install on NC4x4 forum; Vanco Brake kit knuckle strength; WJ Cross-over steering conversion by Divinitous Jesus Jannette & Jeeps! XJ Fanatic 02 Suburban 5. 25 rear stearling with 5. Klune-V Wrangler install Article and Review What got us most excited about installing the Klune-V Extreme Underdrive was, in a word, OPTIONS. is ax15, np231 crawl box(box4rocks) mounted to a Dana300 with 4. Heck, get one out of a Rubicon with the lower gears in it anyway. The Blackbox Series is NorthWest FabWorks premier line of shiftable, underdrive gearboxes. You unbolt the the case and split it apart and this is what you see. Transfer case is a twin sticked Dana 300, with 4:1, doubled to an NP231. . Keep in mind that the average person has absolutely no use for a transfer case doubler. This unit was utilized beginning in 1992. This current design shaft was introduced in 1997. These two are then bolted to a 4wd section. The Np231 in the Rams is an enlarged and built up Np231 just so it can survive in the Ram. Not only does the Extreme Short Shaft Kit improve on strength, but it also increases driveshaft length by up to 7” over a stock application. If 94/95 YJ has 1330 series U-Joint, D35YOKEUBK should be purchased. It has 4 stock shift positions, 2WD Hi, 4WD Hi, Neutral, and 4WD Lo. sorry about them axles i forgot what side drop the tj's were, but im assuming this is why your asking this question. Without the doubler locked into low range my crawl ratio (without factoring in torque converter slippage) is 27. The adapter kit includes a adapter housing, new spud shaft, gaskets, seal, fastening hardware, and adapter instructions. XJ '97+ doors onto older cherokees = one piece windows and better mirrors. Joined Apr 29, 2004 · 2,267 Posts . NP231 Transfer Case Seal and Gasket Kit, Jeep, TSK-231J. Feb 1, 2016 - ORD offers the Doubler 4:1 Dual Transfer case, combining NP205 and NP203 transfer cases for a 4:1 ratio low range for Blazer, Suburban, K5, GM Jimmy, Dodge and Ford off road, rock crawling, and fourwheeling. Hey everyone it's been a while since I've posted anything but I thought I would share this because it looks like a good set-up! It's a NP231 doubler crawler box you can attach to a NP231/Dana300. NP231 Box 4 Rocks Doubler NP241 with SYE Dana 60 front with 4. 4. Now based in a 32,000sq/ft shop with 6 employees, a cnc laser and pressbrake, and a well equipped machine shop; we are able to make 90% of our products in house. Repair a small cut in the brake lines that happened when cutting bracketry off for the new doubler crossmember. All pictures are as it sits now. Included in the kit - Np205 clocking ring - Np231 rear plate - Np231 side plate Email. I did my math and low/low is too low (7. They were made for Chev, Dodge, Ford and IH from 1969 #MirrorFinishMonday turning out some more chromoly shafts for our NP231, NP233, Dana 300 doubler kits. Last but not less important is your own contribution to our cause. Transfer Case: NP231 by lowrad Basically you take a NP231 and a D300 and put them together with a kit that consists of a block off plate, a clocking ring (for the D300) and a stub shaft that mates the two together. NP231 Transfer Case 4:1 Upgrade Low Range Fix. 303 stainless CNC machined parts. The TeraFlex TJ: NP231 Extreme Short Shaft Kit is what short-wheelbase TJ Wrangler/Unlimited owners have been dreaming about for decades. J Cherokee NP231 Transfer Case Fire roads are an excellent way to get started off-roading, but primitive motor trails and slickrocks take the adventure to new heights. These two are then bolted to a 4wd section. I installed an Advanced Adapters fixed yoke kit, NP241 6-pinion planetary, and long input shaft from a TJ. 5x15 boggers, np 241 tcase, 52" front and 63" rear spring under a more roomier rig. The only problem I have had is getting the rear 35 spline ARB to hold-up. My rig pushes 420 ftlbs. ’97+ mirrors are a direct bolt into older XJ's and allow you to fold them in on tight trails. A 17 year project that now features tons, 40s, a doubler, ORIs and a front 3-link Np231/Dana 300 Doubler It’s been a fun budget build. 88, SOA lift with 2. Im running/sitting the 203/205, and I "think" im under 1K. I would like to have a purpose built buggy, but I have a '67 Scout 800 that I am going to try and do everything 'pretty good' with instead. 2020 has now made video creation a necessity. It is based around a classic hard-clipping gray box overdrive (subtle hint, huh), one of my all-time favorites. 4:1) and low/hi (2. I have a 6 planet gear set for a NP231 that i plan on installing after i verify if it is the correct gear cut. Fabrication & builders section. If you are active off-road, even if it's occasionally, your Jeep is taking a beating. We are looking to purchase more land, and build a 15-20 horse stall barn with an indoor arena for on-site training and fundraisers. 00. One decent option is a 203-205 doubler as long This TJ/LJ | YJ | XJ NP231 Short Shaft Kit increases the rear driveshaft length by 4 inches, which eliminates the need for a Transfer Case Lowering Kit in most cases. Available with 21 or 23 spline input and output gears. 93) x (2. 2011 Interior Upgrades. 4 Recommemded) 42R370 - 42RLE Transmission Filter 42R800 - RUBICRAWLER CONTROL MODULE 300474 - Rubber Front Output Yoke Washer A cross reference table is provided below to aid you in identification of your transfer case. High angle Drive Shafts. They did my old F250 and the exhaust on the ‘75 and I have had no issues. Also includes a larger output bearing and rear housing. 3 2wd DD/Tow Rig Toy: 97 ZJ, 10. 0:1 kit as well as the short SYE and ultra-short SYE kits. 5L 24v SOHC Engine Conversion Nice to see a recent update that the rig is still running. I havent broke the input ever on the 231, and i dont think ill break a 300. Frogfab. See it’s never done, but it’s fun and we love the club and the members. Built to last using the highest quality materials To build a doubler for $1600+ the kit would have to cost $1000 then a used 203 for $200+ and a used 205 for $200+ and the shifters for $200+ If your willing to pay that much for a used transfer case you deserve to get ripped off GM NP203 to Bronco Dana 20 build-up, (i might go with a granny 4-speed, SM 420 or SM465 later, but now the project is to use my TH350 with a factory adaptor to the gear reduction section of a NP203 and then build (have made) an adaptor to a Ford Bronco dana 20 why do this? 2. Fits: • TJ Wrangler • LJ Wrangler Unlimited (long-wheelbase) • YJ Wrangler • XJ Cherokee. It came out of 1994 Chevy Suburban with 87k miles. 6 - Tooth Shaft 540 R. $44. Transfer Case: NP231 When repairing or replacing a Chevy transfer case, it is essential that you correctly identify your transfer case. 93 $ 271. 5 comments Driveshaft and Driveline Parts > SLIP YOKES - For 4X4 Transfer Case > NP231 with 27 SPLINE rear output 1. Doubler Options : NP231/NP231, NP231/D300 . Been selling like hot cakes. 93. A company tried to build on naturally asperated and managed 250hp after $10,000 into the motor. TeraFlex makes the Low231 4. 72 low range. The Np231 case was a die cast aluminum 2 piece design. 100% Price match . 1993 Wrangler S 2. • LJ Wrangler Unlimited (long-wheelbase). mad rooster on pirate 4x4 makes it, and its around 600 i believe. We still offer our great quality products and are looking to add even more. Units are completely rebuilt and inspected. 1972 Jeep Commando rock crawler - V8, 5spd, doubler, 1 tons, 40s *LOWERED PRICE* for sale: photos, technical specifications, description 72 bull nose commandoAMC 304 V8 with Howell EFI, DUI HEI distributor, mild cam, and serpentine belt. through hardened 4340 chromoly splined shafts. The adapter is 5. 73 Mike W5RKL And so it begins. Specs are 14 bolt rear with 5. 6. This is a second set of gears that sit in front of the transfer case between the transfer case and transmission. Now for the teardown of the 231. 3. . JB Custom Fabrication, JB Fab, JB Custom, twin-stick, triple-stick, stainless steel, transfer case shifters, d300, np205, np203, d20, doubler, cable shifters, After a re-build it let me down again during an annual trek to Paragon - frustrating and disappointing! It was time for a serious upgrade. 304 stainless laser cut parts. The Doubler uses an NP205 transfer case, which is a gear-driven transfer case with an iron housing and adds the gear reduction half of an NP203 transfer case in front of it. There is also a RAM Doubler for Windows 3. 5” shorter than an ATLAS A transfer case crawl box and low gear set is a replacement for the low range of gearing needed for rock crawling and related off-roading. Typically, these add a second gear range option multiplying the transfer case ratio by the 'crawl box' or 'doubler' ratio. 3 Vortec SAS 87 S10 Extended Cab 4x4, Middle Daughter, Future build likely. To build a dual transfer case, two reductions boxes are bolted back to back with a dual case adapter. Beware of Imitations I was lucky enough to find a Box4rocks 23 spline kit second-hand that had not yet been installed and came with all the parts that would be needed from a donor NP231 to make the doubler. This kit is also more than 3” shorter than a standard Slip Yoke Eliminator Kit and 1. All styles are a 2-speed plus neutral design, with a 1. See more ideas about transfer case, jeep, jeep xj. 0 Build 42 serial number. This transfer case was manufactured by New Venture Gear. (Photo of doubler linkage used by ‘4x4Junkie’ – Photo by 4x4Junkie) (Shifter for the doubler right in front of the seat. 219″ width) U-Joints. It's a little over 8" long and is indexable. For some reason it doesn't seem to be as popular now. All 66-77 Broncos came with the Dana 20 transfer case. 4l60e with a 203 doubler is long in a 40. The Gray Channel™ is a real “twofer” of an overdrive. com Np231 to Ford Np205 DIY doubler kit For using the front planetary of a np231 to make a doubler t-case front of a Ford Np205 case that have a 31spline input. I am doing this in my XJ, so I will just high light the important info. Instagram: https://www. Downsides were it's weight and length. 4WD carries TeraFlex, Trail Gear and Advance Adapters crawl boxes and low gear sets that offer proper ratios and various spline configurations. This should put my final drive ratio around 150:1 with the 4:10 gears in the axles. I am using the DD machine doubler kit. So after i pull my t-case im going to take (Photo of doubler linkage used by '4x4Junkie' - Photo by 4x4Junkie) (Shifter for the doubler right in front of the seat. (he's here in Poulsbo, WA) Next up is a NP208 and NV241 doublers. Shifters pivot on PTO Tractor Pumps Hydraulic are for all tractors with power take off with a shaft size 1 3/8 " Dia. 60. I picked up 2 ford married 205s for 150$. To build a dual transfer case, two reductions boxes are bolted back to back with a dual case adapter. 2 203/28 splines for 25$. 0 transfer case to NP231 adapter Summer 2012 Added 1999 Montero Sport PCM to 1997 ECM Harness Pin-Out Table Added Montero Sport Parts section to Picture Gallery Added Montero Sport PCM ECM Pin-Out Descriptions Updated Links section Updated Mitsubishi 3. The "strong box" mounts between the AX-15 and NP231. Shifters for the transmission, np231 range box, and the Dana 300. I will probably go with a single exit- easier to repair as needed. Ratio Possibilities: The model NP231 transfer case is a compact, chain-driven transfer case manufactured by New Venture Gear (New Process Gear) in Syracuse, New York. You also need to weld a small block-off plate in the remains of your NP231. 2011 Exterior Upgrades. 13s and an AW4. 99 $ 44. Replacement Parts: Advance Adapters Dodge NV4500 4WD with 23 Spline Output Shaft to 1966-77 Bronco Dana 20 Transfer Case Adapter Kit The reason the Np241D is pretty much a beefed up Np231D is because the Np231D is not like the original Np231! Np231s are found in Jeeps and other small 4x4s. NP231 Transfer Case Seal and Gasket Kit, Jeep, TSK-231JA. Welcome to Stazworks Extreme Offroad Jed's machining doublers. In my opinion, the really nice part about the NP231 is the availability of replacment parts from common autoparts stores like Napa, Checkers, AutoZone, Carquest, etc. https://www. It was 6500lbs of trail weight and the body was really starting to tear a part. Installation. Not only does the Extreme Short Shaft Kit improve on strength, but it also increases driveshaft length by up to 7” over a stock application. 1310 c/v driveline and 231 sye Kit . NAXJA Forums -::- North American XJ Association > NAXJA Unibody Jeep Technical Forums > Jeep Cherokee XJ (1984 - 2001) > Modified Tech Discussion: NP231 doubler without axle gears Outland 391867660 Slip Yoke Eliminator Kit for Wrangler (NP231), 1 Pack. NAXJA Forums -::- North American XJ Association > NAXJA Unibody Jeep Technical Forums > Jeep Cherokee XJ (1984 - 2001) > Modified Tech Discussion: NP231 doubler without axle gears The only thing that you have a chance to fit in a wrangler is a np231 crawl box with a dana 300 (short tail housing) behind it. TJ/LJ NP231 Extreme Short Shaft Kit The TJ/LJ NP231 Extreme Short Shaft Kit is what short-wheelbase Wrangler owners have been dreaming about for decades. This is the type (round) I need: Sm465 for sale. It uses the input shaft, bearing and planetary gear set from a donor NP231. 5” shorter than an ATLAS II. 72:1. Optional Items: Part No. 0 with a blown ax-15 and an np231 dana 300 doubler. After much research, I ordered a 23 spline input shaft made for a Dodge NP241D and a 23 spline shaft out of another variation of NP231. The IC possesses an oscillation frequency ranging from 670 to Dynamic Dirt Doubler. Updated 5th gear nut, and mainshaft to handle 5th gear problem. Not much of a build up but here are some pics of the finished product. The NP231 was used in Chevrolet and GMC small pickups and Jeep. This units fits all Jeeps 2003 to 2011 with the 42RLE automatic overdrive. . how much room do you have? in a navigator we built for my buddy's uncle, he took the 208 cut off half the case where the front output shaft goes down, removed the chain, and used it like a reduction box and put a hanging 205 behind it. 0L, 33's) then later in my Exploder, I twisted the output shaft off the M5OD R1HD (low mile 2002). This Heavy Duty Slip Yoke eliminator kit fits Jeep NP231 transfer cases. Resident Army Ranger , Navy Seal , Super-Warrior , Ninja !! 231/d300 Doubler 88 YJ 4. I am selling my np231/Dana 300 doubler setup. The 205 is a part time 4WD case, meaning when it's in 2WD the front driveshaft will not receive power. This top loaded heavy-duty transmission has a cast iron case, and is 12” in length. submitted 2 months ago by RustyAutoholicGarage to r/Jeep. you can get unbelievable ratios though, and its far cheaper then an atlas, or even putting a 4:1 kit in your np231, and your final low/low ratio comes out to be like 7:1 Np231 to Dana 300/np231/241 DIY doubler kit | FrogFab You can also do a 231/231 doubler and then put a SS SYE on the back of your 231. The NP231 was offered in Chevrolet, Dodge, GMC and Jeep. 00 The LoMax gear set has been designed to achieve maximum gear strength and the lowest possible reduction ratio for the Jeep Dana 300 transfer case. 5 inch barrel OD DANA SPICER 2-3-13051X Slip Yoke 1310 Series Fits JEEP NP231 Transfer case with LIVE SHAFT OUTPUT Jeep Wrangler (YJ) (1987-1993) w/ NP231 Transfer Case.  From 1979 to 1995 Toyota used at least 12 different individual transfer case in Pickups and 4Runners. For a start, you can replace the three-satellite planetary gear with a 6-satellite from the NP241 box, because the 3-satellite can withstand 600 lb-ft (813 N-m or 82 kg-m) of torque, and the 6-satellite – 1,400 lb-ft (1898 N-m or 193 kg-m) . Are you looking to put another NP231 in front of the 231 doubler? You won't stand a chance of fitting two NP231's in there. 2 exist the pulses in different points of circuit. This unit has 2WD and 4wd, combination of 2 high, 4 high, neutral and 4 low. Once the cables and shifters were complete I needed to make the bracket to hold the cable so I could connect it to the transfer case. High Maintenance Jeep Build. 72 okay, this damn subject yet again, I have a 91 YJ, AX15 and NP231 on 33's, thinking about taking a mad rooster doubler kit, hacking up my existing NP231 coupling it with a passenger drop D300, and leaving my current 4. if theirs a will theirs a way plus the 300 is much stronger. Insure you utilize the tag information and visual identifiers to determine the correct model and variation for post SAS build specs-Np231-dana24 doubler-3/4" thick cromo lowers-1. 72:1, with the doubler locked into low range my crawl ratio is 75. This kit provides rock-crawling performance without affecting high range gears for daily drivers, or the trip to and from the back country. 5 rear, D60 front, bad cut 40s, 4link rear, Y-link front, full hydro steering, NP231/Dana24 doubler, and bunch a scrap metal Blessed Child of God, Blessed Husband of Awesome Wife and Family . This is a tough thing to decide. So in this tutorial, we are going to make “Voltage Doubler Circuit using 555 Timer IC” The heart of this circuit is a NE555 Timer IC. The NP231 transfer case features a front driver's side output as well as a center line rear output. That was in an rx7 using small block Chevy v8 mounts. Billet Aluminum, CNC machined case, hard anodized black with stainless fasteners. SUPPORT YOUR LOCAL 4x4 SHOP. FREE Shipping. This voltage doubling effect is achieved through the use of capacitors. The TrailCreeper is ready to bolt onto the front of a top shift style, gear driven Toyota transfer case. Using the planetaries from a NP231 as a doubler is not a bad idea, box4rocks and madrooster both offer them for $499. This results in a better driveshaft angle, eliminated driveline vibrations, and a transfer case that's ideal for trail use. 500 inches; Centerline to end of barrel = 5. A PTO Pump can be used to power Log splitter, Backhoe, Landscaping equipment Farm machinery, Hydraulic motors, Front end loader, wood splitter, Fence post driver High Maintenance Jeep Build. The frequency doubler proper consists of an inverter IC1B, two differentiating networks R1/C1, R2/C2 and NAND gate IC1A, IC1C and IC1D function as input and output buffers. (I will edit & fill this in more as i can to make it as complete as possible with part#'s, possibly including pictures also if i get around to it-LOL) Manual tranny swap into a 93-98 ZJ (This was done on my 95' 4. To build a doubler for $1600+ the kit would have to cost $1000 then a used 203 for $200+ and a used 205 for $200+ and the shifters for $200+. Available with 21 or 23 spline input and output gears. The Social Frog. 303 stainless CNC machined parts. Doubler Options : NP231/NP231, NP231/D300. Would really like to find a 241 OR out of a rubicon for the 4:1 low range and then build a doubler out of my 233 to give me lots of gearing options. In this project, we will show how to build a voltage doubler circuit. Toy: 97 ZJ, 10. An illustrated drawing is provide below to assist you in parts identification, ordering and assembly. Typically mounted between the transmission and transfer case, the BlackBox is a gear reduction unit that has the ability to shift from a 2. After much discussion we decided to Performance Built NP231 Transfer Case Sale. My plan is to build a D D Machine doubler using the existing 231 and adding a NP241C transfer case behind it. A 1988 Jeep Wrangler YJ 4WD build by @marcustrusty. No problems with the ARB in smaller lighter rigs. Installation and Review by 4x4wire. Then I bought a couple of fj60 h42 OP shafts from Georg and a Dodge np231 23-spl, wide bearing Input gear. My plan is to build a D D Machine doubler using the existing 231 and adding a NP241C transfer case behind it. When mine was in my 40 the driveshaft was barely longer than the stock slip yoke. 231 Short Shaft Kit: 545. 0:1 x 2. FRONT OUTPUT SHAFT OPTIONS AF26 26 SPLINE FRONT OUTPUT AF32 32 SPLINE FRONT OUTPUT. Jeep NP231 Transfer Case Seal and Gasket Kit, TSK-231JA. 5L Jeep Wrangler YJ & TJ w/ Manual Transmission) $1,789. Here the plate is mocked up on the range box Front output cut off Then I carried the range box and plate to a local machine shop, and 50 bucks later it was welded up. If something in my t The Tera Low231 conversion kit is the solution for providing Wranglers, Cherokees, and Comanches with low crawl ratios. A lot of upgrades are made for the NP231, which can make from a good box a real monster of off-road. May 1, 2012. 8:1 was perfect on 37s with 5. . I will be using behind the NP231. I've been reading your build lately and thinking I will soon need to build a more family friendly wheeler instead of the my 92 rcsb. My buddy tried a 5:1 on an auto and it was WAY too low so I know the 7. 0L/AW4/NP231 SYE 36" Iroks, Warn 8274 ,Lunchbox Locked New Process (NP) 271 Transfer Case Looking for information on transfer cases found in fullsize Ford trucks? This page is dedicated to those cases and provides a list of vehicles, a list of cases that were found in them, and photos for reference. i chose the np435 due to Re: NP231 doubler kits It's funny that they are released when Duffy is waiting for the output shafts to come back from being hardened. /\ Transfer case mating end of Strong Box DIY kit, with output shaft installed. Compared to the NP203 and NP205, the light-weight cast aluminum housing of this transfer case is easier Fits Jeep NP231 transfer case with 27 spline rear output; Fits 27 spline automatic and manual transmissions; Barrel Diameter = 1. Unique Woodworking, Decor, & Furniture Designs, With You in Mind I used an NP231 from a '01 Ram 1500 for the rear transfercase. 13s-5" bastard lift-back-half with lots o' tube, possible rear 4-link and coilovers-37" MTRs on H2 wheels, eventually 42s w/ less lift. Jeep NP231 Transfer Case Seal and Gasket Kit, TSK-231J. The most notable differences between the Bronco Dana 20s are the early version 66-72 known as the T-shift with 2. GM power antennas replace your broken XJ's with little modification Quadra-Trac / BW 1305/1339: This Jeep transfer case built by Borg Warner is commonly referred to as the Quadra-Trac. Junk yards can be your best friend, if you like building things and have a limited budget. frogfab. Circuit diagrams How to Build a Voltage Doubler Circuit. Transfer Case: A mechanical device with the capability to send power to a front driving axle as well as a rear driving axle. -5. Well I figure I will finally start this build thread. (NP231/figure 8 NP205 Strong Box) (BW1354/1354 Strong Box with optional mount) /\ Transmission mating end of empty Strong Box DIY kit. So, I wanted to get everyone's opinion of the best All-IH powetrain for a dual purpose Scout - wheeling, working, camping and street? I am planning on Range Doubler C-7081GN Equipment Central; where?, build 1972 ??, 4 pictures, Japan, schematics, tubes, semiconductors, Service- or Lab Equipment Trail-Gear is a leading manufacture of off-road products for rock crawlers, racers, and trail enthusiasts with thousands of Toyota, Suzuki, and universal parts. Kit works for 205/203 doubler set-ups that have the selector shaft for the 203 clocked toward the 205 front output, or straight up. Off-Road FSJ Tech. ca Np231/np205 doubler the 231 is a Jeep, would I be able to use this? 93' 4dr Jimmy 4. Jeep Cherokee (XJ) (1987-1996) with 207 or NP-231 Transfer Case. And we are always looking forward to the next upgrade. A China/India Doubler By Louis Navellier , Editor, Growth Investor Dec 7, 2006, 7:13 am EDT December 7, 2006 The greatest economic war the world has ever seen is headed your way, and there’s no It is also possible to use a NP208, NP231 and NP241 as the front portion of the double but it requires some aluminum welding and machining. My Doubler build Offroad Fabrication. Atlas II Transfer Case and Klune-V The Crown Automotive NP231 Master Rebuild Kit has all of the components that tend to wear out with continual use, such as bearing, seals and shift pads. NP231 Transfer Case Drive Sprocket (97-02 I guess it would depend on A) What NP231 you use and if it uses the same position sensor as our NP(NV)241's (I believe the later model TJ ones did), and B) Does the doubler kit maintatin that selector cam and fork from the stock NP231. Jeep used the Quadra-Trac in lieu of the Dana 20 transfer case behind Jeeps that used the TH 400 automatic transmission from 1973 to 1979 in CJ’s, Jeep Trucks and Cherokees. (about 1 inch longer setup then the stock np231). The smaller diameter ring gear and thickness of it make for smaller locker options. Front axle is a Dana 60 35 spline inner and outers with Yukon slugs 5. It works by pushing down or pulling up – Photo by 4x4Junkie) Extending The Shifter Fork: When Bray D did his doubler build, his shifter wasn’t long enough and needed to be extended. The New Process 231 is the most popular chain driven transfer case to date. to the rear driveline length on a YJ, and up to 6 in. Box 4 rocks doubler with 2 np231's(we'll see how long the back one lasts) The Jeep NP231 is one of the most popular transfer cases, but it creates an extremely short rear driveshaft. 5 inch barrel OD NP231 with 27 SPLINE rear output 1. $271. Progress Report. 72 to 1. What is the spectrum at the output of a frequency doubler? A. 4. It will also put the motor in the correct rpm range at 70mph for highway use. Included in the kit - Np205 clocking ring - Np231 rear plate - Np231 side plate - New np231 shift rail - HD new chromoly coupler shaft - All hardware nedded Np231 to Dana 300 DIY doubler kit For using the front planetary of a np231 to make a doubler t-case front of a Dana300 or 231/241 case that have a 23spline input Included in the kit - Dana 300 clocking ring - Np231 rear plate - Np231 side plate - New np231 shift rail - HD new chromoly coupler shaft - All hardware nedded they are based very similar to the current np231 doubler kits out there. I'd like to swap the 78 D60 and 10. In this video I start work on installing my NP231 doubler kit but run into some unexpected hiccups. It provides a true 4. Fabricated & installed the crossmember for my AW4, doubler and NP231 in my 2006 TJ Wrangler . 2 Star Rating on 21 Reviews for TRYBE Optics Enhancer Scope Magnification Doubler w/ Tube Mount Free Gift + Free Shipping over $49. Place the doubler adapter on a flat surface as pictured above (gear side up), you may need to prop the adapter up above the ground a bit with a piece of wood etc. Description Single stick cable shifter assembly for NP231 Optional knob shown Billet Style: Multiple mounting options, mounting brackets can be reconfigured for different levels of mounting. I believe these were only used 80-86 in Chevy trucks with th400s the th350s & sm465s had figure 8/racetrack patterns for the adapter. The 6 planet is the newer cut and i am 99% sure that when i rebuilt my NP231 i used a bearing for a 1994 which should have been the new cut. ( I will go with a doubler or crawl box of some sort) Plans: Keep a flat belly, stretch the frame/tub 15" to LJ length, lockers front and back, low crawl ratio at least 110:1, 40" tires +-, winch, alum armor, beadlocks and other stuff. If you go with a D300 behind the doubler you might stand a chance. A Model NP242 was also added for the full time 4WD models. Np231 to Ford np205 DIY doubler kit | FrogFab. Offroad Design – 203/205 Doubler Instructions 11 22. 41:1 and this is with a street driven setup that happily runs 65 mph at 1750 rpm. 72:1. Extreme Duty NV4500 transmission gears are hardened to prevent breaking. 99. P. gripguru · Registered. Then you get to have fun with cutting tools. Where It All Started. I decided that I wanted to take full advantage of the flex that this thing is going to have with the long arms so I went for some RockKrawler 5. Toy: 97 ZJ, 10. I really liked the old doubler setup for both it's extreme compound-low and also for the number of gear selections available. Build a doubler circuit, like the one shown in Figure 7, use 2 diode 1N4007, a 100 km resistor as a load in the output (Remember that you need to measure the real value of the resistor for any required calculation), and two 47 uk capacitor. The crawler has a NP231/241 doubler as well as custom 4-link front and rear- it will need to be completely custom. 77 . connecting shafts will be available in 21,23,27,31 and 32 spline. 25 in length and is made from strong 356 T-6 heat treated aluminum alloy. 5 rear, D60 front, bad cut 40s, 4link rear, Y-link front, full hydro steering, NP231/Dana24 doubler, and bunch a scrap metal Blessed Child of God, Blessed Husband of Awesome Wife and Family np231 doubler donor case. I message JB Custom Fabrication because I really like his products and he immediately messages me back and was able to put together the kit I needed for my build! Below you will find a detailed list of the NP205 Transfer Case parts that includes complete rebuilt Transfer Cases, bearing rebuild kits, gaskets, seals, small parts, individual bearing, forks and sliders, shafts, chain, sprockets and miscellaneous parts. basically all of those options are a reduction housing that holds a NP231/241 planetary (the Ecobox is a DIY kit where you use a donor case). 10 gears in the axles. Ideal for both diesel and gas pickup trucks and other vehicles with early Muncie SM465, SM420, M21 and or Borg Warner T10 transmissions. Ideal for both diesel and gas pickup trucks and other vehicles with early Muncie SM465, SM420, M21 and or Borg Warner T10 transmissions. Note:For NP-231 - Only for Transfer Case #s: 52097695, 52097893, 52097894, 520977526, 52097696, 53008210, 52098361, Jeep soon added the NP231 which replaced the Model 207 in 1987. Now things can If you own a 21 spline NP231 and you want to swap in a 23 spline transmission, you can either look for a cheap 23 spline NP231 at the junk yard or go to your local Jeep Parts Dealer and order up a new input shaft part #5300-6085. The standard 231 weighs approximately 70 lbs. Dana 60 front with 5. 28:1 low range. Does the NP231 and the 300 have the same mounting? Step 1: Select transmission from the drop down list or, if it's not in the list and you know the gear ratios of your transmission, enter them below. (Shifter – Photo by Bray D) Thats part of the reason a np231 has a torque rqting of around 2000 ft lbs while the grand daddy 205 has a rating of about 1100 ft lbs. Highest I know of is 1000 wheel horse at 25lb of boost. Nice that someone's making a doubler anyway for it. NOTE: Shown with optional billet knobs Our NP205 cable shifter with our 203 doubler kit stainless steel brackets and interfaces. It is aluminum, and you don't want it to leak, so it makes for a not-so DIY job for a lot of people. I needed 23 spline shafts for both. 0L select-trac Grand Cherokee with a 42re trans, dana 35 rear & LP30 front sitting on a 3. com/custom-build/231-ford205-doubler-kit This is the ORIGINAL Gear Drive Transfer Case Bible created by Marlin Crawler back in the 90s. Part #2307 -- $750. Search this site. 4. 72:1 low range from a np231, that beats the 2:1 from a 203. 13s-D70 rear, welded, 5. 5 rear, D60 front, bad cut 40s, 4link rear, Y-link front, full hydro steering, NP231/Dana24 doubler, and bunch a scrap metal as in a doubler? or replace the 231 with the 300? i think you can replace it with the 300. brent might know more about this i think he was re searching it for his bro a little while ago. This model is chain driven. The second cable is not used currently. The discharged voltage will be twice the voltage at which the capacitors were charged. There are 14 transfer case models for Chevy vehicles; however, each has multiple variations. The NP231 transfer case was introduced in 1988 by New Process Gear for use in Chevy, Dodge, GMC and Jeep vehicles. NP231 Transfer Case Assembly (91-02 2. FREE Shipping. See full list on clanbryce. of torque through a doubler and I am running 40" tires on a 6,000lbs (3 tons of fun) rig. 00 transmission rebuild for the Grand An absolutely mandatory off-road modification! Several companies also make 'crawl boxes' or 'doublers'. 875 inches; The 598448 slip yoke is designed as a simple way to add a Double Cardan CV to the common Jeep NP231 transfer case without the expense of a slip yoke eliminator kit. My AA Atlas with a 3. 5" OME HD springs and front Bilstein/rear Rancho shocks, Barricade 9500 winch, custom front and rear bumpers, 136 amp alternator, 35" Super Swamper LTBs. The unit has a 27 spline front output and utilizes a rear slip yoke. Generally, transformers are there to step-up or step-down the voltage, but sometimes transformers are not feasible because of their size and cost. Major components like input and output shafts and gears are available as well, but you will find that this kit has everything you need for preventative maintenance to make… Novak Conversions carries a wide array of conversion kits and accessories to perform Just about any GM, Buick, or AMC swap possible. 38 and a Detroit, 4 link and SAW air shocks. - Jeep Cherokee fabrication and builders discussion, modifications, projects, how-to guides, and technical help. here is the thread That a friend showed me on Pirate4x4. 2011 Exterior Upgrades. Designed with the most current design shaft found in the New Process Gear NP231. 72:1 Has a 1410 rear yoke and a 1310 front ( couldnt fit 1410 with the shifters) With the AX-5 transmission, NP231 transfer case, and stock gears, the calculation for crawl ratio would be: (3. This adapter kit will allow you to adapt the GM SM465 4WD, 4 speed transmission to the Jeep NP231 transfer case. This is a true, bolt-in doubler that couples to the stock Jeep transfer case or an existing Atlas transfer case. have a 99 4. Search this site. Rear is a frod 9" with a 3 link. Several other companies make short and utra-short SYE kits as well. This is a true, bolt-in doubler that couples to the stock Jeep transfer case or an existing Atlas transfer case. 72:1) is too high. FST has expanded under new ownership. switch for this option. you need a flip kit (d300 is pass side drop) the kit usually runs around 150, and the adapter kit. I've seen some home-brew doublers that keep the cam. It worked really well. This red and silver tag offers some valuable information concerning the transfer case. Usage Drive lines need to be lengthened and shortened to account for the length difference of the doubler. I just got the sun gear back from a local guy who does EDM for his day job and at home as well. 9L(360ci), 47re, NP231, eventually 231/D300 doubler or Atlas-D60 front, 35 spline chromo inners, ARB locker, 5. I have been through ALOT of parts for the ax15, but replacing parts is cheaper than buying a nv4500 outright. Since the early 80's, the model 231 has been used in many vehicles and is designated as follows: NP231C = GM S-10, S-15 trucks & Blazers 1983 - 1991, NP231D = Dodge midsize and fullsize trucks, NP231J 231/300 Doubler. it is a pretty long setup but cost pretty much nothing if you have the transfer cases. Transfer Case Cable Bushing The New Process 231 series transfer case started to be installed in Jeep, Dodge, and Chevrolet applications in 1987. 38s and a Detroit locker. TC: np205 or np231. Yeah, with the 2. This kit features a new 1 3/8" spline rear output shaft, 356-T6 heat treated aluminum alloy tailhousing, 1310 c. Shop Allstate Gear for BW1356 transfer case parts at cheap, public wholesale pricing. PAGE 25. We like to have our customers measure from the main part of the 231 t-case housing A. The New Process 231 transfer case is one of the most common and durable transfer cases ever produced We've got a great selection of NP231 crawl boxes at 4WP that make it a heck of a lot easier for your vehicle to tackle even the toughest terrain. I rotated my t-case clock-wise until I achieved a flat belly. People are doing 700+hp on stock bottom ends at 15-20lb of boost. Discussion Starter • #1 • May 8 Based on this matrix, I chose the NP231 doubler from Behemoth Drivetrain. AX-15 5 speed transmissionBox4rocks np231/dana300 double transfer cases. Check great and honest reviews! Shop TRYBE Optics Enhancer Scope Magnification Doubler w/ Tube Mount | Up to 23% Off 4. -PSC steering w/ hydro assist-homebrew bumpers and other armor-Warn 12K winch Planning Cherokee Build Offroad What we are doing is a 350 TBI, 700R4, NP231. I have used Bennys downtown Bristol. NP231 Transfer Case Vacuum Switch Wiring Harness and NP207 fits Cherokee XJ. Twin-Stick that NP205, here's how. The TrailCreeper is ready to bolt onto the front of a top shift style, gear driven Toyota transfer case. 304 stainless laser cut parts. My 205 came with figure 8 pattern, It cost me 150$ to have the case punched out to the "big bearing" 32 spline input. 2011 Interior Upgrades. It works by pushing down or pulling up - Photo by 4x4Junkie) Extending The Shifter Fork: When Bray D did his doubler build, his shifter wasn't long enough and needed to be extended. Progress Report. NP208/241 TRANSFER CASE DETAIL IDENTIFICATION: The New Process 208 is a chain-driven transfer case. Klune-V 4:1 crawler bolted to the NP231 DHD transfer case. 88s lockers frt/rr 35" ProComp Extreme MTs frt EPi 9k Superwinch rear LP 8. Our Price: $23. Sm465 for sale. So really, the Np231D could be considered an Np241 when compared to the orginal 231s anyway. XJ '97+ doors onto older cherokees=one piece windows and better mirrors . 77 . BODY PANELS AND PROTECTION . Check tag located on rear of unit for model number. 0, AW4, NP231/Dana 300 Doubler, GM 60/70HD, 40" IROKs on H1s TaterTott is offline Quote Quick Reply post #13 of 16 Old 01-27 i plan on using a d300 when i build my doubler. 38 gears and a spool, still leaves for now. • TJ Wrangler. Have you ever wondered what is considered a Toyota RF1A Gear Driven Transfer Case? Well here is some information that might help you. 1972 Jeep Commando rock crawler - V8, 5spd, doubler, 1 tons, 40s *LOWERED PRICE* for sale: photos, technical specifications, description 72 bull nose commandoAMC 304 V8 with Howell EFI, DUI HEI distributor, mild cam, and serpentine belt. The HV winding is 800VCT at 535ma and 6. 4:1 the NP231 doubler uses the front half of the first case (the range part, no chain) and then you woudl be able to mate it to any other case. Reply. Here's a comparison of the length difference between a stock slip-yoke 231 and the doubler kit w/D300: My last build was a never ending project and I have promised myself (and my kids) that if I do any major mods to this thing, it won't be out of use for more than a couple weeks at a time. If your willing to pay that much for a used transfer case you deserve to get ripped off. 34 low gear. A voltage doubler circuit is a circuit in which the output voltage is double the amplitude of the input voltage. I twisted the shaft right off between the boxes. This reduction unit replaces the stock 42RLE tailhousing with a 6 gear planetary reduction box featuring a 2. Stazworks is proud to offer the new Axle Tech Bolt On portal conversion. Jeep Wrangler (YJ) (1994-1995) w/ NP231 Transfer Case; w/ 1310 (3. ’97+ mirrors are direct bolt in to older XJ's and allow you to fold them in on tight trails. 1 which uses compression to increase system resources, allowing more applications to run. Last fall I bought an engine and 4-spd from a 78 fj40. 46 low gear, verses the J-shift which was used from 73-77 and has a 2. Where It All Started. 5" 14 bolt rear with 4. Built to last! Price is $1,850. 6. Ali Mansour Photographer, Writer. Np231 to Ford Np205 DIY doubler kit For using the front planetary of a np231 to make a doubler t-case front of a Ford Np205 case that have a 31spline input. Install the 15 fat needle bearings into the pocket in the Doubler shaft, use grease to hold the needles in place. These brackets are a DIY build-from-parts so I was able to save about 50 bux over prefab brackets. 21 Tooth Shaft 1000 RPM. The NP231 case came with a 21 spline input shaft and the NP241 came with a 27 spline. 10) = 44:1 The TeraLow231 Kit from Tera Manufacturing comes complete with a new front case, oil seal, silicone and locktight. 3 The Voltage Roubles Figure 7. Q. 72:1 low range back to 1:1 for existing operation. 5RE lift) ----- I personally cannot justify a $2000. 5k Superwinch :drive: The problem I ran into I realized belatedly when I decided to go to a NP231 doubler setup was the transfer case shifters! No one makes them really for two NP231 setups. 3VAC at 6A. Even though the joint venture ended in 2002 when GM sold it's 36% stake in the company to Daimler Chrysler, the Muncie plant continued to build NV4500 transmissions for Dodge to the 2005 model year and GM for the 2007 model year. This is the part you need to convert your NP231 to 23 spline input. The Atlas 2 speed (left) in comparison to the NP231 (right) with a fixed yoke kit. 25" heims all around for suspension-7/8" heims for steering/panhard-1/4" DOM trackbar and steering stuff -1/8" thick front driveshaft 1/4" rear-1992 gm DRW 14 bolt rear axle 74" wms yukon grizzley locker-1978 ford f250 front dana 44, nitro shafts-1979 ford f350 steering box Once the cables and shifters were complete I needed to make the bracket to hold the cable so I could connect it to the transfer case. The NP231 is 4WD with manual shift. Build Thread King. The conversion loss is the difference in power at the output of the frequency doubler (the second harmonic) compared to the power applied to the input (fundamental) in dB. Jump to Latest Follow 1 - 10 of 10 Posts. I purchased it built off pirate4x4. 62:1, 2. In Fig. It can be adapted to a Dana 300 which has 4:1 options, or, of course, an atlas. GEAR RATIO ATLAS4-20 ATLAS4-30 ATLAS4-38 ATLAS4-43 PAGE 6 (1:1 (1:1 (1:1 (1:1 / / / / Nov 24, 2016 - Explore Ricky Hayden's board "Transfer case" on Pinterest. Custom Build 2 Speed Chart Custom Build Your Atlas 4 Speed Transfer Case 1. 25" 4. DOUBLER allows you to quickly add new valves or bypass broken valve wires. "Tater2" - '91 2 door XJ. Jeep kits are also available using the NP231/241 planetary gears. (3) Add To Cart. includes the main plate, clocking ring with clocking every 6 degrees. I plan to sell my np231 with the SYE to help with the cost of the Box4Rocks and just use a junkyard np231. Any I've ever seen fail have been as a result of a rock, bottomed drive shaft or a busted poorly designed doubler crossmember (oops). You get the best of both worlds. 8 @ 4. Sharing is caring and that is the only way to keep our scene, our community alive. / NP231 from CollinsBros Jeep. Shifter modules can be added as needed. As a matter of fact, you can find one of the largest selections of differential parts when you shop at 4WP, which includes the best brands at the best prices. Simply connect two valves on one set of wires and control each valve separately from the controller. Jeep vehicles using the early NP231 can still use our kit, providing that the needle bearings are removed from the stock drive sprockets. v. drop) and you can get parts anywhere. 3 out of 5 stars 10. instagram . You could build your own supply using the Hammond 378CX transformer. Both strong but the 231 is just pretty much unbreakable under torque. In choosing a Trail-Creeper replacement transfer case it is important to understand the differences betw How to build a simple frequency doubler for hall effect water flow sensor? Sensor Design & Implementation: 26: May 12, 2019: Lowering the input frequency for a frequency doubler using a single 4069: Digital Design: 31: Apr 14, 2018: Frequency doubler - low frequency- square wave: Digital Design: 25: Mar 11, 2018: P: Frequency doubler for sine wave Here’s the build list… Titled 1951 Jeep CJ3A 3RZ engine, AW4 tranny, NWF Eco Box, Dana 300 with a 4-1 kit Triple Stick shifter. Our Price: $24. Fits:Jeep Wrangler (YJ) (1987-1995) with 207 or NP-231 Transfer Case. The doubler adapter shaft is free to move forward and backwards, but the 231 input allows it to travel too far backwards. 56's and locker 10. You should consider to submit your own serial numbers or share other files with the community just as someone else helped you with Battery Doubler 1. IMO it's a much cleaner and higher value setup than the cut-case NP doublers that used to be common. Transfer cases drive the front output shaft with either a geartrain or a flat Hyvo-type chain. Rear axle is a Ford 9″ with ARB airlocker and 4. Subscribe. May work though. These can be found in all 1997-2006 jeep vehicles with a factory NP231 Transfer Case. Description 15-1000 -UNI-RAISE, Drivetrain Lifing Device 42R360 - CHRYSLER ATF+4 (Qty. np231 doubler build