I thought all three early BB Chevy type motors ran the same length rods confused
Wasn't the 396 motor the smallest bore with the same stroke as the 427 and the 454 increased the stroke from 3 3/4 to 4.0 inch stroke with the same 4.250 bore as the 427 had ? confused

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)