Originally posted by toymobile:
<strong>351MILAN DIG BLOCK ,351CLEVLAND BIG BLOCK,blah blah blah....</strong><hr></blockquote>
351C and 351M/400 are of the 335 series and are small blocks. As stated before the 351C has a small block tranny bolt pattern, and the 351M/400 shares the big block bolt pattern of the 385 series (429/460).
You're obviously a Chevy guy, and you don't have a firmrunn141 said:351W is a smallblock 4 inch bore 3.500 stroke
351C is a bigblock 4 inch bore 3.500 stroke
351M is a big block 4 inch bore 4.000 stroke