Originally Posted by DoubleVision
Olds 455`s are undersquare engines, meaning the stroke is greater in inches than the bore. With it`s good sized 4.125 inch bore and long 4.250 inch stroke, it`s a torque monster. Put the right pieces in it`ll shred the tires off that thunder chicken (firebird) with ease.
But if you put the right pieces in the "thunder chicken", we have a race!