Choice's Choice's

Swaping 258 to 4.0, 4.0 parts to 258 etc!
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Posts: 1
Joined: May 3rd, 2022, 2:49 am
Stroker Displacement: 4.0
Vehicle Year: 1985
Vehicle Make: Jeep
Vehicle Model: CJ7

Choice's Choice's

Post by lquince »

Ok so I'm in the UK which means that somethings are not available easily etc. But this is what I have.

I have a 85 CJ5 Cali Import so rust free in the UK with the 4.2, 300 T-Case and 5 Speed on the floor box. It runs and drives, but has its issues, possibly just the carb and emissions crap.

So I also have a 96 ZJ 4.0 Parts Jeep (I have the full rig) and a 99 WJ 4.0 Parts Jeep.

So kind of wonder what is the best route to head in from here??

Am I building the 4.2 or the 4.0?
Posts: 19
Joined: December 26th, 2018, 8:19 am
Stroker Displacement: 4.6L
Vehicle Year: 1988
Vehicle Make: Jeep
Vehicle Model: Comanche

Re: Choice's Choice's

Post by cstephens85 »

I'd buy a good carb or EFI kit for the 4.2 and sell the 2 parts Jeeps. If the CJ is in otherwise good condition, you are opening up a massive can of worms for this swap. If you have the time/money it may be worthwhile, but otherwise I would try to keep it simple.
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