4.0/4.2 head swap

Modified FSJ Tech Area
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backroader
Posts: 78
Joined: Fri Oct 26, 2018 7:31 am

Re: 4.0/4.2 head swap

Post by backroader »

From Jeep tech:

4.0: bore - 3.88"
stroke - 3.41"

3.8 (232): bore - 3.75"
stroke - 3.50"

Slight difference..
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