Is it worth rebuilding my 1990 4cyl?
I just bought my first yj with a carb'd 4 cyl and it runs fine but with a tick that ive narrowed down to a worn piston bearing. If i'm going to fix that i mine as well just rebuild from the ground up. Is it worth it or I could upgrade to a 6 cyl which would be more work and a lot more money but better performance. what are some ballpark estimates on how much that costs to do the whole swap?
I did my 4.0 auto swap for nothing, maybe even made a little. but I am cheap and my jeep wasnt my dd so it could sit in the garage for a while. If you like the 2.5 just rebuild it. You can buy a running xj with a 4.0 in it cheaper than rebuilding a 2.5 but its a lot more work putting the 4.0 in.
2.5 overhaul was $1200 from Nevada Valve Train and odds and ends cost me anothe $400 to complete everything. If I had the opportunity I would do the swap. Go find the donor and get everything lined up for the swap and then program the downtime to swap over. There are a lot of good engines sitting in the yards that can go in there.
Swap in a V8. Would be cheaper than rebuild with better performance than 4.0.
My 98 XJ "Zap" Build Thread
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1988 Jeep Comanche 4x4 Longbed - POS
|4 cyl , 6 cyl , rebuild , swap , YJ|
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