high compression piston [Archive]

IWIN450R

08-16-2007, 12:27 AM

ok well im just wondering what the best high compression piston but to run pump gas.

Trx4Life

08-16-2007, 04:17 PM

Um pertty much anything over stock you will need racegas or some type of airplane fuel.

Ride1Rob

08-16-2007, 06:22 PM

You can run pump gas on a 12:1 Race fuel is only required on 13's and higher.