View Full Version : high compression piston
IWIN450R
08-15-2007, 11:27 PM
ok well im just wondering what the best high compression piston but to run pump gas.
Trx4Life
08-16-2007, 03:17 PM
Um pertty much anything over stock you will need racegas or some type of airplane fuel.
Ride1Rob
08-16-2007, 05:22 PM
You can run pump gas on a 12:1 Race fuel is only required on 13's and higher.
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