The Jalopy Journal
Yes, this block is 4 bolt main
According to internet lore, in 65-67, Chevy used the same casting for 396 and 427, and just bored the block according to which engine was desired....
Wow! I really appreciate the fast response; you guys are awesome. As a follow-up topic, this is a 3902406 block, which is supposed to be a 396,...
Hey Guys, New member here, so probably a dumb question. Why do I see what appears to be blocked water passages at the front and rear deck of this...
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