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Go Back JeepForum.com > Models > Jeep Wrangler Forums > TJ Wrangler Technical Forum > Dead 4 banger. Time for a motor swap

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Unread 07-30-2010, 06:04 PM   #16
cj847
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1997 TJ Wrangler 
 
Join Date: Oct 2006
Location: AR
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Quote:
Originally Posted by Wheelin98TJ View Post
Is there a version of the 545rfe that the 231 does not bolt up to?

I would think they all have the same common 6 bolt pattern that is used in all Jeeps and Dodges.
Hey wheelin. I'm curious why you wouldn't recommend buying a wrecked WJ (you can get them around here for cheap) and do the 4.7 and 545 as a set (plus you'd have other stuff like WJ brakes for free you could work on). Was that swap too much effort?

I am curious about how much if any problems you had with alarm stuff.

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Unread 08-01-2010, 05:33 AM   #17
emev0l
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2001 TJ Wrangler 
 
Join Date: Nov 2008
Location: SE Michigan
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Quote:
Originally Posted by Wheelin98TJ View Post
Is there a version of the 545rfe that the 231 does not bolt up to?

I would think they all have the same common 6 bolt pattern that is used in all Jeeps and Dodges.
I worded that horribly, I meant a 4x4 RAM, good catch, that woulda confused a lotta people.

It is the same exact trans in a jeep.

People are just going to want to get one out of a 4x4 instead of a 2x4 because they will have to remove the tail shaft and try and hunt down a transfer case adapter for the trans.

There's a lot of these used transmissions out there, most of them are really cheap.
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Unread 08-01-2010, 02:23 PM   #18
Wheelin98TJ
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1998 TJ Wrangler 
 
Join Date: Apr 2004
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Quote:
Originally Posted by cj847 View Post
Hey wheelin. I'm curious why you wouldn't recommend buying a wrecked WJ (you can get them around here for cheap) and do the 4.7 and 545 as a set (plus you'd have other stuff like WJ brakes for free you could work on). Was that swap too much effort?

I am curious about how much if any problems you had with alarm stuff.
The swap was quite a PITA because of the wiring. The wiring section in the WJ FSM is 1,200 pages.

I think I would do a Ford 5.0 V8 if I were to do it again just because they wire up so much easier.

The Sentry key security is not difficult to work with if you have the donor vehicle.

If you're not afraid of wiring, then I'd say go for a wrecked WJ. In the end, I'm very pleased with how it turned out. It was just a long road to get there.
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