Just wondering if me going from 3.42 to 4.10 how much that will help in the 1/4? Or would porting the heads be more benificial...... thanks...... oh also i have a M6 97 Z28.

Josh

 

ttt anybody have times??????? thanks

 

Well, I would say you would gain about .2-.3 in your quarter with the gears. Ported heads will give you horsepower though, and its alot easier to put gears in later then to pull the heads and port them (if you already have them off). Hope this helps.

Benji