Posted by Jim on Saturday, July 09, 2005 at 2:13PM :
I am quite certain that the 318 in my 1975 W100 has a cracked head. If this is the case, how many miles can I expect to get out of it before it goes belly up? It idles a bit rough, but, otherwise runs well. I have put about 1,000 miles on it since it cracked. Thank you.
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