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450exr
03-22-2009, 12:48 AM
i would like to run a 13;1 piston in my 05 450r. do i need race gas?
Beaudacious
03-22-2009, 08:53 AM
yes at least 104 octane but id run 112 leaded it helps everything but the environment
Colby@C&DRacing
03-23-2009, 08:27 AM
if you have the piston thermal and moly coated you can run premium pump gas but may need to run a mix when it gets hot. Keep in mind depends on your elevation also.
Fast350ex
03-24-2009, 02:59 AM
Originally posted by Beaudacious
yes at least 104 octane but id run 112 leaded it helps everything but the environment

LMAO! :p