Class Racer Info

[jmantle]

Originally Posted by Tim H

Using the very helpful site that Dwight has provided, I have a question regarding piston compression height. As an example one of the listed repl. pistons for a 1969 Chevy 350/300 is the TRW L2256F. TRW lists the compression height @ 1.563 " however the NHRA tech spec is 1.535". I am missing something ?

NHRA lists the minimum accepted pin height. Most replacement pistons will exceed this dimension but still give you room to deck the block.

Jim Mantle V/SA 6632