Should this not be 405 lbs instead of 305 lbs?)
Can I modify this to make the comparison of a 302 @ 405 lbs, and a 351 @ 470 lbs with same equipment (cast iron heads, aluminimum intake, flexplate, and same harmonic balancer)??
Were there any other differences in equipment on these blocks (exhaust manifolds, etc?) This if very important to me as I am conteplating such a swap.