Cab there is more to an engine than a block. The crank is lighter, the intake, push rods and on some stokers the rods. Here is some facts that you might find interesting.

http://www.arengineering.com/articles/sonicbig.html

Last edited by dannysbee; 11/10/10 09:54 PM.
Getting old just means you were smarter than some and luckier than others.