420 SEL Engine Swap
08-26-2010, 02:53 AM
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1991 420 sel
420 SEL Engine Swap
I have a 1991 420 SEL the cam chain tensioner broke and bent the valves in 7, 8. Instead of attempting to remove the head my self I bought another 4.2 out of a 1987 with 116K miles.
My question is what should look out for? Will the Computer work?
My question is what should look out for? Will the Computer work?
