42re to 44re swap - JeepForum.com
 
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post #1 of 7 Old 10-29-2007, 10:47 AM Thread Starter
angry troll
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42re to 44re swap

my 94 grand has 207### miles and the 42 is starting to slip. i have an opertunity to get a 44re for real cheap and would like to know if it is do-able. if i could get some info that would be great. thanx, T
i forgot to mention i have an I-6 and was not told what engine was in the other. i do know it was in a 4x4. in that brings up another question.... will the transfercase match? again thanx.


Last edited by angry troll; 10-29-2007 at 11:41 AM.
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post #2 of 7 Old 10-29-2007, 11:40 AM
ZJMAN
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To the best of my knowledge they never put a 44Re behind the 4.0. So you'll have to swap the guts of the 44 into the 42 case. This is a frequent swap and will give you HD components.
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post #3 of 7 Old 10-29-2007, 12:19 PM Thread Starter
angry troll
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ok so just use the guts from the 44 and new steels and frictions? what kinda improvement will this be? just trying to figure it out. so is it the bell housing, length, anyting obvious? just trying to do a quick swap to get the jeep going till i get a rebuild kit for the 42. thanx for the info on the HD conversion.
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post #4 of 7 Old 10-29-2007, 12:21 PM
CLNinja
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try to get an AW4

Matt
**September 2009 Grand Cherokee Of The Month**
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post #5 of 7 Old 10-29-2007, 11:57 PM
Sporer65
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With a 94, I would also try to get an AW4. But to answer your question, the 44RE was used behind the V8 in 96-98. So I do not think that the tranny will work. But I have heard of swapping the internals of the 44 into the 42 but I do not any specifics.

Ben

1993 Jeep Grand Wagoneer ZJ V8: Rear Aussie, 3.5" Lift, 31" M/Ts

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post #6 of 7 Old 10-30-2007, 01:59 PM
ZJMAN
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I do know that there are more clutch disks and other internals are heavier on the 44. I'll try to check my shop maual tonight for specifics.
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post #7 of 7 Old 10-30-2007, 09:40 PM
ZJMAN
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My shop manual says that the differences are in fact the clutch packs.

Front Clutch:
42RE - 4 discs
44RE - 5 discs

Rear Clutch:
Both trans use 4 discs

Overdrive Clutch disc Usage:
42RE - 3 discs
44RE - 4 discs

Direct Clutch disc usage:
42RE - 6 discs
44RE - 8 discs

All other specs appear to be the same.
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