2.5L to 4.0L conversion question - JeepForum.com

 
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post #1 of 5 Old 02-27-2002, 05:22 PM Thread Starter
jerrys yj
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Join Date: Oct 2001
Location: Birmingham Michigan
Posts: 116
2.5L to 4.0L conversion question

hey-
ive been wanting to swap in a 4.0 I6 from another wrangler and had some questions. first will my motor mounts fit up? can i use my same transfer case and drive shafts? what else will i need to know?


17 year old with a 1991 four banger
-3"RC lift
-32's on the way
-KC's on the windshild
personal quote:"it didnt look that deep dad, i swear!"(first time stuck in mud)
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post #2 of 5 Old 02-27-2002, 06:28 PM
my litte red yj
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Join Date: Aug 2001
Location: Conn
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been down that road as what i was told no unless you do some welding and the ax5 trans will not hold up to a 4.0(light duty) the 4.0's have a ax 15 (heavy duty) and you need to transfer all computer stuff the best way if it was my choice is to rebuild what you got or buy a 4.0 jeep all set p.s unless you have a lot of money do a v8 conversion BUT it is costly my 2ct's
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post #3 of 5 Old 02-28-2002, 06:13 PM Thread Starter
jerrys yj
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Join Date: Oct 2001
Location: Birmingham Michigan
Posts: 116
yes i know that my tranny will not bolt up. i would get a new one. just thinkin would a 4.0l 2001 tj engine and trans fit into my jeep. because i may be able to get one for free. how much work is it? has anyone ever done it?

17 year old with a 1991 four banger
-3"RC lift
-32's on the way
-KC's on the windshild
personal quote:"it didnt look that deep dad, i swear!"(first time stuck in mud)
jerrys yj is offline  
post #4 of 5 Old 03-03-2002, 11:56 AM Thread Starter
jerrys yj
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Join Date: Oct 2001
Location: Birmingham Michigan
Posts: 116
btt

17 year old with a 1991 four banger
-3"RC lift
-32's on the way
-KC's on the windshild
personal quote:"it didnt look that deep dad, i swear!"(first time stuck in mud)
jerrys yj is offline  
post #5 of 5 Old 03-03-2002, 11:57 AM Thread Starter
jerrys yj
Registered User
 
Join Date: Oct 2001
Location: Birmingham Michigan
Posts: 116
btt

17 year old with a 1991 four banger
-3"RC lift
-32's on the way
-KC's on the windshild
personal quote:"it didnt look that deep dad, i swear!"(first time stuck in mud)
jerrys yj is offline  
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