Camshaft + converter for 318 w/302 heads

Why 273 crank? Stroke is same isnt it? Onlly dfference would be forged vs cast correct?
I haven't disassembled 318, I only plan on taking it down to block. Pistons and crank will be left alone if at all possible.

dirty white boy said

put the 302s on 318 with 273 crank an rockers, make a tuff lil motor!

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