Dave Stark

I think the Cummins B3.3T would be a good fit in the MJ, better than the 4BT because you have to have at least 6" lift just for the thing to fit. Unless you want that much lift i would sacrifice a bit of power & have an engine that fits better & is similar weight as the 4.0 (5lbs heavier).

How about a set of these, i ordered a set that should be in soon... http://www.jcroffroad.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=MJSL2&Category_Code=MJS

I hope you get to feeling better soon...

I think i just answered my own question... Here is a guide for the purchase and build-up of the Ford 8.8 rear axle and its compatibility and performance in a Wrangler or Cherokee. There are many different variations of the Ford 8.8 axle. One of them is best suited for the use in a Jeep and that would be the Explorer (or Mountaineer) 31 spline 8.8. If you have found one off a Aerostar, Mustang, F-150 etc, you should really pass it up and look for a Explorer axle if you wish to retain a similar track width on your Wrangler. Trying to start your build-up with the wrong axle will be frustrating and expensive although you may have picked it up for cheap in the beginning. Ford 8.8 assembly specs: Cover bolt 28-38 ft.lbs. Pinion bearing preload 16-29 in.lbs. Pinion bearing preload 8-14 in.lbs (used) Ring gear backlash .008-.015 Ring gear bolt to case 70-85 ft.lbs Side bearing caps 70-85 ft.lbs. Explorer 8.8 Measurements: Weight (complete assembly w/ brakes etc.): 174 lb. O.D. of tubes: 3.250". Tube thickness: .250" (some are .188”!) Ring gear diameter: 8.800". Ring gear bolts: 7/16" dia. (qty. 10). Pinion diameter/splines: 1.625 / 30. Axle shaft/splines: 1.320 / 31. Rotor thickness (where it mounts to axle is .250"). Overall width 59.625" (the F8.8 is .950" narrower then a TJ Dana 35). (The F-150 8.8 is drum brake and width WMS to WMS is 65.5”.) Hole diameter for ABS sensor in top of housing: .811". Bolt size (U-joint flange to yoke) is: 12 x 1.75 x 30 mm Centerline of housing to C/L of pinion difference is 3.875" toward the P/S. Pinion offset: P/S to C/L of Pinion, 27-3/4" (no rotor on axle), D/S to C/L of Pinion, 31-5/8" (no rotor on axle). (this measurement is 2.5" more offset to the P/S then a TJ Dana 35). Specs: Code Capacity Ratio 43 Open 3200 3.08 41 Open 3200 3.27 42 Open 4.10 46 Open 3.73 45 Open 3200 3.55 D4 Limited Slip 3200 3.73 D2 Limited Slip 4.10 L73 Limited Slip 3.73 L - Limited Slip Differential C - Conventional Differential Thanks Chris Overacker for the specs and measurements! see his website link below. How many splines are the axle shafts? drivers side is 31 spline for 97 & up Mountaineer, 95 & up Explorer, 30-1/2 inch length - 5 X 4.5 inch lug pattern. passenger side is 31 spline for 97 & up Mountaineer, 95 & up Explorer, 27-5/8 inch length - 5 X 4.5 inch lug pattern Can I get 35 spline shafts? Yes, with a little searching I found 28 and 33 splines too. Remeber 8.8 axles are used on many different Ford rigs. Mustangs, Rangers, F150s, Aerostar etc... different axle lengths than the Explorer so if you are looking for aftermarket products make sure you are not looking at something for a Mustang that might not fit an Explorer. For the 35 spline stuff check with Mark Williams site. i don't have a link yet but i will soon. Do I need a slip yoke eliminator? In my opinion, yes Can I use my drive shaft that I bought for my SYE/Dana 35 set-up? Yes Is the 8.8 narrower than a Dana 35? Yes but not enough to make a difference when running most aftermarket wheels.1.5" shorter or so. It doesn't matter unless you try running stock rims w/12.5 or wider tires. Are the 8.8 shafts stronger than Dana 44 shafts? Yes, also the bearings, pinion and ring gear are also much larger. Axle shaft Strength and output torque rating by Warn and 4 Wheeler The axle shaft strength tested by Warn Ind: F8.8= 6,500 (lb. ft.) D44= 4,600-5,000 (lb. ft.) D35C= 4,000-4,300 (lb. ft.) ------------------------------- COT: Continuous output torque rating MOT: Maximum output torque rating (Numbers from January edition of Fourwheeler, page 60.) Dana 35 rear axle COT: 870 MOT: 3480 Dana 44 rear axle COT: 1100 MOT: 4460 Ford 8.8 28spline COT: 1250 MOT: 4600 Ford 8.8 31spline COT: 1360 MOT: 5100 Dana60 semifloat COT: 1500 MOT: 5500] (thanks joe and Chile99.) Will I need that brake proportioning valve from a Rubicon? Maybe Does the 8.8 offer more ground clearance over the Dana 35 and 44? Not under the differential but the bigger axle tubes lift the rig about 5/8 ". Is there welding involved? Yes, but the new brackets you put on are much stronger than stock Dana’s. Not a good idea to re use your old Dana 35 brackets Where do I get brackets? 4x4 Group Buy has Rubicon Express for $225+shipping. Bob Supplee has Tera for $220 shipped. DC4WD has Tera for $217 shipped. Jeepers and Creepers TeraFlex TMI-ABK-TR $250.99 M.O.R.E. Dana 35 brackets (sku:MORE98700) $290.00 Rubicon Express RE9969 TJ Axle Bracket Kit Rear $274.95 Mad4wd.com (sku:Mad-BKTK-TJ1) $275.00 Link to axle bracket placement on Stu Olson's site The list above should get you headed in the right direction as far as brackets go. Look around and compare prices as the brackets can be found for $200.00 or less shipped sometimes. Keep this in mind when shopping for any item for your build-up,if you do, you will save a bundle. Can I reuse my Dana 35 brackets? Yes, but it is not recommended. The stock Dana 35 brackets are sort of flimsy compared to the beefy aftermarket versions. Some of the brackets available are in fact for Dana 35 axles to replace the weak ones that come factory. Reusing the D-35 brackets is time consuming even if you have the right tools, not a good idea IMO Should I weld the axle tubes to the cast housing? I would if it had been salvaged from a wrecked rig. If it is new on a crate don’t bother. Will my stock sway bar work? Yes, with a minor modification to a passenger side pinion gusset. Do all 8.8s come with a limited slip? No, read the tag on the housing or remove the cover. 3L73 = 3.73 gears witha "L"imited slip Where is the gear break for lockers? There is no break. Same locker for 3.73 to 6.14 Do I need a notched cross pin? Yes for 4.56-6.14 to clear ring gear, or notch a gear tooth. What year ford explorers do I look for as a donor for 31 spline and disc brakes? 1995 to 2001. What is so great about 8.8? Parts are everywhere, as in axle shafts, covers, brake parts etc.. What's not so great about the 8.8? Weak stock carrier, replace with a carrier type locker like ARB or Detroit (not a lunch box type) this will cure the problem. Spun axle tubes: Simply weld the tubes into the diff housing before they spin. You are welding to cast steel so now would be the time to ask for a professional's opinion. I have heard of guys tossing the works in a oven before welding, some just go at it cold. Both say their way is right. Thin stock diff cover: Get some armor. (my axle was new surplus and had not been in a collision, i know exactly where it has been from mile one and it is not welded. I don't believe my wheeling style will cause me problems, however i do keep a close eye on the plug welds.) What kind of locker can I get? $690.48 ARB SELECTABLE AIR LOCKER $342.69 AUBURN GEAR - HIGH PERFORMANCE LIMITED-SLIP DIFFERENTIAL $424.22 AUBURN GEAR - PRO SERIES LIMITED-SLIP DIFFERENTIAL $535.72 DETROIT LOCKER $229.59 E-Z LOCKER - FITS IN FACTORY NON-POSI CASE $641.96 EATON - ELOCKER SELECTABLE LOCKING DIFFERENTIAL $388.20 EATON - POSI LIMITED-SLIP DIFFERENTIAL $209.04 FULL SPOOL - 31 SPLINE - STEEL $118.46 MINI SPOOL - 31 SPLINE - C-CLIP COMPATIBLE - STEEL $348.40 ORIGINAL STYLE POSI - COMPLETE $261.52 POWERTRAX - LOCK-RIGHT LOCKER - FITS IN FACTORY NON-POSI CASE $381.94 TRUTRAC LIMITED-SLIP (prices will vary) What is the bolt pattern? 5 on 4.5” just like stock TJ/YJ wheels. Will my Jeep lug nuts fit the 8.8? In most cases, yes. What do I do with the speed sensor? leave it in place. Where to buy? Car-part.com www.ok4wd.com wallysheata, Ariel Performance www.alljeep.com www.rockequipment.com to name a few. How much do they cost? Free to $1500.00 but you can find them new for around $500.00 in their stock form complete disc to disc. What do I need for a swap into a tj? Here are some things I usedOriginal Poster into a TJ) -TeraFlex Bracket kit $200.00 -ARB $630.00 -U.S. Gears 4.56 $185.96 -Master install kit (Timken) $89.00 -Crane diff cover $190.00 -Napa brake line kit P/N 380528 $17.49 (x2) -T-hose NAPA P/N 380889 $29.99 -ZJ E-brake cables (drivers and passenger side) Mopar P/N 52008904 & 52008905 $23.00 NAPA P/N 95533 (right) 95322 (left). (not for YJs) -Driveshaft adapter: Spicer 2-2-1379 $32.86 -Flange bolts Ford P/N N800594-S100 $1.29 (x4) -'03 TJ Rubicon (w/disc) proportioning valve P/N 5083808AA $74.00 -3/16" hard brake line about 40" & 18" $5.00 HELPFUL SITES be sure to check these out: Stu-Offroad Dome & Detour 8.8 Swap J.E. Towle / DPG Offroad Chris Overacker / CODE 4x4 Stormtrooper 4x4 Wire Links The Ranger Station Tech Library The Ranger Station Tech Library 2 YJ & XJ STUFF: From M.O.R.E. -XJ Installation Kit P/N 98600 84-2001 XJ $165.00 -XJ E-Brake Cable Kit P/N EB3 Disc Brake F8.8 Only $118.00 -Special Yoke P/N 221379 F8.8 to 1310 U-Joint $40.00 From Dealership: -Mopar spring perches $12.00 -Tabs for shock mounts $5.00 -ZJ ebrake cables from the dealer (for XJ install) $65.00 -Flange from spicer dealer $30 (have seen this go from $20-$50) Specs: Code Capacity Ratio 43 Open 3200 3.08 41 Open 3200 3.27 42 Open 4.10 46 Open 3.73 45 Open 3200 3.55 D4 Limited Slip 3200 3.73 D2 Limited Slip 4.10 L73 Limited Slip 3.73 L - Limited Slip Differential C - Conventional Differential Code Ratio 41 3.27 43 3.08 42 3.45 44 3.73 45 3.55 47 4.10 72 3.08C 74 3.45C 82 3.08C 84 3.45C 85 3.55C 86 3.73C 87 4.10C 89 (1992-1998) 4.10C 89 (1999-2001) 4.56C 91 3.27C 92 3.08C 95 3.55C 96 3.73C 97 4.10C F4 3.45L F5 3.55L F6 3.73L F7 4.10L K6 4.10L D2 3.45 D4 3.73L D7 4.10 R5 3.55L R6 3.73L R7 4.10L Some of the ones on the second list do not apply to the Explorer 8.8 (like the 4.56 one) as this list covers rangers too.

A friend of mine wants to GIVE me a 8.8 out of his mustang with 373 gears. Will i run into the same problem as here?

Welcome!! Looks like a good candidate for a flat bed..... :D

Found this on a Ford Explorer forum of all places... Mine is inferior :bs: Dana35 DANA 35c The Dana 35c has a 7 9/16" ring and pinion and uses one piece axles (2.625" in diameter). Starting in 1990 Jeep switched to an inferior C-clip Dana 35c. The "c" in Dana 35c does not stand for C-clip, it stands for custom. They are custom because they are shipped incomplete from the Dana factory to Chysler and Chrysler completes the build. The two versions have different shafts, bearings, and carrier. There is a C-clip elminator kit available for the Dana 35c. The Dana 35c is probably on the small side for hard four wheeling with larger tires and lockers. If these are your intentions, you might be better off swapping in a Dana 44 or better. Early YJs built from '87 until '89 used a 10" rear drum instead of the 9" drum used in the later YJ and TJ Dana 35c. The axle in the picture above has the 10" drums. The R&P ratio ranges supported by the carriers are 2.73-3.31 and 3.55-4.56. The Dana 35c is the axle used in all YJs (Wrangler) from '87-'95 and it is the standard axle in the TJ (Wrangler), ZJ (Grand Cherokee), MJ (Comanche), and XJ (Cherokee). The Dana 44 is an optional axle on the TJ, ZJ, MJ, and XJ. Some XJs were built with the corporate Chrysler 8.25 axle as standard. The TJ and ZJ versions are coil sprung, the XJ version is leaf sprung (spring over), and the YJ and MJ versions are leaf sprung (spring under). 10 Bolt Cover Vehicle Model Year: Jeep Commanche MJ 1986-92 Dana 35C (C-clip 1990-92) Jeep Cherokee XJ '84- Jeep Wrangler YJ '87-'95 Jeep Grand Cherokee ZJ '93- Jeep Wrangler TJ '97-

So the list should look like this now, correct? This is the fifteen you were looking for right brimy311? 1.)Cdn Glenwood 2.)pingpong (with bed sides if possible) 3.)88pioneer 4.)dakal 5.)Raoden83 6.)DJM/78 7.)possum 8.)Jpnjim (either style/bedside preferred) 9.)jimoshel 10.)89eliminator 11.)Cracker 12.)Cracker (set number two) 13.)Blue XJ 14.)RandysMJ (either style) 15.)Jeepcomj (One Set)

I need a new 710 cap. :yes:

What was it? Interested parties want to know...

Actually, your good, '91 is the first year for the HO's. Find yourself a '91 to '95 Cherokee & you'll be set. It does need to be an XJ though, i haven't heard of anyone transplanting a ZJ engine. Not that it couldn't be done. As far as auto's i think you may have to change the wiring, but there are others one here better equipped to answer that one... BTW, Welcome to the club... :cheers:

Maybe we should wait to argue about usability & looks until we actually see what JCR has to offer.. :no:

I just ordered the stage 2 sliders, so that counts for two right?? 8)

My XJ had the AX15 & my MJ has it as well, they both did the same thing (MJ is worse). 2nd & 3rd are both hard & if i shift too fast it grinds. Everyone raves about the AX15, but of the two that I've had two have been total crap. :headpop:

IN 1.) Jeepcomj 2.) Cdn Glenwood 3.) pingpong 4.) 88pioneer 5.) dakal 6.) Raoden83 just for the boxes, not bed sides

http://www.comancheclub.com/forums/viewtopic.php?f=3&t=20411 That should be more than enough info... :thumbsup: I think some of the guys listed the parts they keep in their trucks too.

"EDIT" :redX: See Below

I'm definitely in especially if you guys are able to match the body lines a little better than the one pictured... As soon as i get my bumper I'm ordering the sliders. I want to keep seeing these things (and hopefully more new stuff) offered for our trucks. :cheers:

I'm in. I would like the wrap around if they protected the quarters as well...

This sounds very familiar to what mine is doing. When i drive in heavy traffic & have to use the clutch frequently, it gets very stiff, but if i let it rest for a few minutes it goes back to normal.

Kill the Riddick! Kill the Riddick!!

He is a muscle, no brain, just a muscle, or maybe THE Muscle, & he likes muscle cars... :nuts:

I love it... :bowdown: :bowdown: I wish i still had my J10. :driving:

Well, I have to say, at first i was only looking for opinions on some weapons to get her started training, but i ended up with a wealth of knowledge. The different viewpoints, opinions, & experiences you have all provided will help tremendously. Tonight I'm going to have my wife read the entire thread & hopefully that can help her to understand the gravity of what she wants to undertake far better than i can express to her myself... :bowdown: :bowdown:

Graphite anti seize lubricant. :thumbsup: