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Go Back JeepForum.com > Models > Jeep Wrangler Forums > YJ Wrangler Technical Forum > 2.5l to 4.0l swap underway.

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Unread 12-20-2006, 07:50 PM   #1
ID89YJ
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Join Date: Nov 2006
Location: Idaho
Posts: 97
2.5l to 4.0l swap underway.

I got a wrangler 4.0 wiringharness and computer from a 92 and a 94 engine from a xj, I hope these are compatable. I got a 5 speed tranny from a 98. I got the package deal for 1250.00. I hope the 94 engine is obd1, because it was the lowest mile one they had. My 2.5l wrangler should have the fuel pump in the tank so i should be good there. I will have to get the vss adapter gizmo from hesco, i am open to ideas if you guys have any. I hope that i have chosen corectly on the parts. What will i do on the t case? The 2.5 231 wont fit the ax15 , correct?? I need to make sure the ax 15 is out of the wrangler aplication, i'm pretty sure it is.

Ideas or opinions are welcome.

Steve

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1989 Wrangler... [I]93 4.0L [/I], AX15 ,231 TC,Rough Country 4inch lift, 33 12.50 Baja Claws .
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Unread 12-20-2006, 08:34 PM   #2
ID89YJ
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Join Date: Nov 2006
Location: Idaho
Posts: 97
Thanks Scott, aka Tomb Raider


Steve
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1989 Wrangler... [I]93 4.0L [/I], AX15 ,231 TC,Rough Country 4inch lift, 33 12.50 Baja Claws .
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Unread 12-20-2006, 09:44 PM   #3
hampton
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Join Date: May 2006
Posts: 23
swap

Just did this last week except went to 4.2. Get a complete donor jeep and work from that or it will nickel and dime you to death. Don't forget to move the motor mounts.
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