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Unread 06-20-2007, 05:28 PM   #1
UltimatE
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42RE to AW4 swap, transmission discussion

I just bought a 98 Laredo for a whopping $750. It needs a transmission. I read that the AW4 is stronger than the 42RE (Which I already know, 157,000mi on my XJ with original AW4). And I also know that the AW4 was available in grand cherokees.

My question is this: How hard is the swap from a 42RE to AW4? Is it bolt-in or do I need to do fabrication? What about electronics?

I will be getting either a refurbished or NEW transmission, as I do want this to last a long time.

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Unread 06-20-2007, 06:35 PM   #2
Army_Monkey
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Anticrombie did this not too long ago in his '96, here's his writeup:
AW4 Swap into OBDII ZJ
That should answer most of your questions about the swap. It's almost completely identical to a swap in a '98.
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98 Laredo 4.0 4x4 5-Speed
Kevin's 2" BB | OME HD Springs | 31" Baja Claws | 15x8 Classic II's | Kevin's LP-1 Sliders | Stillen Brakes | ARB Bull Bar | Ramsey REP 8.5RE | Kevin's TBC | OME SS | F&R Lock-Rights | Kolak Euro Headlights
--- Soon to come: Clayton's, Currie 9" axles, 4.6L stroker, and plenty more
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Unread 06-20-2007, 06:37 PM   #3
shadetree
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Sounds like you're money ahead no matter what!
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Unread 06-20-2007, 07:27 PM   #4
UltimatE
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Quote:
Originally Posted by shadetree
Sounds like you're money ahead no matter what!
That's why I'm going new with this ... the ZJ only has 105,000 miles and a very solid body, and a new D35 15,000mi ago.

I basically stole it from the guy
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