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redneckwheeler
04-26-2004, 08:17 AM
i have a 2002 400ex with a curtis sparks x-6 complete exhaust
, k&n air filter, dyno jet kit (170 jet), stage 2 hot cam, and an ehs racing air box lid. is it safe to run staight cam2 (115 octane) in it without messin anything up.
thanks joe

redneckwheeler
04-28-2004, 08:09 AM
bump...does anybody know?

foleyit
04-28-2004, 08:25 AM
You didn't list if you have a high-compression piston in it or not.

MIKE400EX
04-28-2004, 09:16 AM
If it jetted correctly then it's safe to run.

Quadzilla
04-28-2004, 09:30 AM
But if you don't have a high comp piston it won't help your performance ONE BIT. If anything, it will hurt it as higher octane fuels don't ignite well or fully under low compression scenarios. Premium pump fuel will actually produce more power as it will fully ignite with a stock piston.

foleyit
04-28-2004, 10:53 AM
Originally posted by Quadzilla
But if you don't have a high comp piston it won't help your performance ONE BIT. If anything, it will hurt it as higher octane fuels don't ignite well or fully under low compression scenarios. Premium pump fuel will actually produce more power as it will funnly ignite with a sotck piston.

That's why I asked if you we're running a high compression piston.