Thread: is it a big block?
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12-20-2006 12:28 PM #1
is it a big block?
I've recently pulled my engine in my 81 F-250 to put a different engine in. i noticed that the engine i pulled is bigger in size than the other engine and won't bolt up. Is my original engine a big block?
Is it going into a build, or making a trip to NM?
GM Engine de-coding