4.0L Head Swap on a Jeep 258 4.2L Engine

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I’m having the 4.2L 258 in my 1985 Jeep CJ-7 rebuilt by a local machine shop. The shop just called and said the head is no good and that I need to get another one that is a rebuildable core. I’m having trouble locating a 258 head, but 4.0L heads are everywhere. Could I use



More... (http://www.fourwheeler.com/how-to/engine/4-0l-head-swap-on-4-2l)