Which zj's came with 3.73 rears? - JeepForum.com

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post #1 of 17 Old 06-18-2012, 12:05 PM Thread Starter
dj_justice
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Which zj's came with 3.73 rears?

I need to replace my rear in my 98 limited that has the d35 with 3.73 gears. Which other zjs came with 3.73 gears from the factory?

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post #2 of 17 Old 06-18-2012, 12:09 PM
ajmorell
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I think all v8 ZJ's had 3.73s. 93-95 will have a d35, 96-98 had the 44a. Also 4.0s with the tow/tow-prep package had 3.73s.
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post #3 of 17 Old 06-18-2012, 12:24 PM
sevenscrew
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my 97 5.2 full time 4wd with tow package came with the 3.73 in the d44a.

1997 Limited 5.2L Nelly - SOLD
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post #4 of 17 Old 06-18-2012, 12:30 PM
PolkaPower
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Yes all of the v8's came with 3:73's. either 44a or d 35.
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post #5 of 17 Old 06-18-2012, 04:49 PM
greyhnd
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I have a 96 ZJ Laredo 4.0L with the towing package. According to my build sheet it's equipped with 3.73 gears and Dana 35C.
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post #6 of 17 Old 06-18-2012, 06:03 PM
pincheburro956
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Quote:
Originally Posted by dj_justice View Post
I need to replace my rear in my 98 limited that has the d35 with 3.73 gears. Which other zjs came with 3.73 gears from the factory?
try getting the axle out of a 96+ v8 zj...get that d44a with 3.73..nice simple upgrade...

if you can weld, find you an 8.8 with 3.73 and call it a day.

"Not a single **** shall be given."

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post #7 of 17 Old 06-18-2012, 06:12 PM
Scopez
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I think the 96-98 V8s had the D44a with 3.73s. 96-98 I6 had a D35? Not 100% sure about the I6s.

94 ZJ Laredo. 5.2 Crate engine. 6in JKS SA Lift. 33in Destination MTs. ARB Front Bumper.
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post #8 of 17 Old 06-18-2012, 06:50 PM
Pugulis
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All tow package option ZJ's have 3.73 gears.

[_][]☺[][][]☺[][_] 96' Grand Cherokee Laredo 265,000 miles and still going strong.
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post #9 of 17 Old 06-18-2012, 07:50 PM
Texas ZJ1
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All the V8s had the 3.73s.

Hunter

04 4.7 HO, limited

08 Z71 Suburban, front leveling kit with rear spacers. 285/65 18s Nitto TerraGrappler G2s

94 5.9 Laredo 6.5 RE lift with 35 Maxxis Bighorns
and 33 Bridgestone Duelers
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post #10 of 17 Old 06-21-2012, 12:21 PM Thread Starter
dj_justice
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Is the dana44a a direct swap? Do I need to change driveshafts?
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post #11 of 17 Old 06-21-2012, 12:27 PM
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Quote:
Originally Posted by dj_justice View Post
Is the dana44a a direct swap? Do I need to change driveshafts?
The D35 is shorter than the 44a so you would need to adjust your drive shaft unless you have a 249 TC and you might be able to just get a DS from the doner vehicle with the 44a.
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post #12 of 17 Old 06-22-2012, 02:50 PM
jdj624
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if your 98 zj has the 5.9L motor it came with a dana 44a and 3:73 gears. if your thinking of find some gears out of a junk yard, your better off just getting new ones. a new ring and pinion will set you back any where between 150.00-250.00. the dana44a is different the a regular dana 44 the bearing's are not interchangeable, i don't know if the ring and pinion are the same. which ever way you go make sure it's for the 44a. if your rear end is making noises and that,s the reason for putting new gears in, unless there are teeth missing or ground down on the ring and pinion, then i new bearing set should cure the problem and cheaper. your zj also has a trac-lock in it which could be your noise problem. one other bit of advice unless you know how to set up a rear (or front) end properly let a pro do it. you need a dial caliper to set the backlash correctly. if you are wanting to swap the whole rear end to a regular dana44 hen i think but am not 100% sure a dana 44 rear end out a wrangler tj has the same track width or maybe a cherokee xj. you might have move the coil pads to match your zj .if you want PM me and i can tell you what i have done with my 98zj,there are several options for that type of rear end. but because it has a aluminum center section you are limited.
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post #13 of 17 Old 06-22-2012, 03:02 PM
PolkaPower
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All V8's from 96+ have the D44a and 3:73 gears. The 5.9 have a thicker rear drive shaft though. Did all v8'scome with a track lock after 96? I know every option was on the 5.9 standard.
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post #14 of 17 Old 06-22-2012, 04:32 PM
jdj624
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Quote:
Originally Posted by PolkaPower View Post
All V8's from 96+ have the D44a and 3:73 gears. The 5.9 have a thicker rear drive shaft though. Did all v8'scome with a track lock after 96? I know every option was on the 5.9 standard.
i don't think they did, it may have been an option. but was standard on the 98 5.9l.
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post #15 of 17 Old 06-23-2012, 12:44 AM
Texas ZJ1
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Not all V8s after 96 had the trashlock.

They did all have the 3.73s.

BTW, if they had 3.73s in the rear diff, they had them in the front diff as well....unless you had a 2wd which didn't have a front diff.......or a YJ front bumper.

Hunter

04 4.7 HO, limited

08 Z71 Suburban, front leveling kit with rear spacers. 285/65 18s Nitto TerraGrappler G2s

94 5.9 Laredo 6.5 RE lift with 35 Maxxis Bighorns
and 33 Bridgestone Duelers
Detroit and true trac
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http://www.kevinsoffroad.com/
602.841.3355

For your performance needs:

kolak@kolakperformance.com
480.998.366
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