The 402-cubic-inch V8 is nothing more than a 396-cubic-inch bored out by 0.030. the 396 had a bore of 4.094 in and stroke of 3.76 in. So the 402 had a bore of 4.124 in and stoke of 3.76 in.
The legendary 1969 ZL1 427 big block Chevy had a bore/stroke of 4.25" x 3.76" , while the newer LS7 small block has a bore/stroke of 4.125" x 4" , both of which feature aluminum heads and block .
a 357 Chevy is a just a smallblock 350 Chevy bored .040 over for a total CID of 357, just as one bored .030 is a 355 Chevy. a standard rebuilt 350 is generally bored out during the rebuild process to...