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 Engine Upgrade 
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Post Engine Upgrade
What all would you need to change a 2.5 to a 350 motor in a 98 Jeep Wrangler? (Besides the engine of course) I would greatly appreciate a good answer. I have the 350 out of a 84 chevy pick up. And also would i need the wireing harness from the 350 or would i need a whole new one?  Thanks..

Tue Sep 22, 2009 8:41 pm

Squat N' Gobble

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Joined: Mon Jul 07, 2008 9:45 pm
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Location: Morgantown, WV
Vehicle: 79' cockeyed garage ornament
Post Re: Engine Upgrade
I'm no expert, but here's some of the major things.
Tranny and possibly T-case
complete wiring harness from the truck
motor mounts
A/C compressor and/or condenser
Power steering pump
New fuel lines too

A 350 swap in a newer jeep isn't easy or cheap. I mean stuffing a 6.1L hemi in it would be harder, but I think your drivetrain will be the biggest expense/problem. You're going to have to adapt to the current tranny with a $500+ adapter and still have a weak tranny or swap in a TH-400 and possibly a NP 205 tcase. Then your axles are the weak link unless you have Dana 44's or tougher.

38+ Class- 79' CJ-5 yard ornament
79' CJ-7 with every bolt on from JCWhitney possible/KOH Rig
2000 F-250
If it ain't leakin' it must be empty.

Ricers are like penguins...small, slow, and have useless wings.

Tue Sep 22, 2009 8:57 pm
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