3800 Mod day OR Race Day?

sweetness

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Nov 12, 2008
777
0
yeah byron has 104. you want your tank nearly empty before filling, then you willw ant to drive a few miles with 104 in the tank. Your pcm wont recognize the fuel right away if you dont. Too me half a dozen runs last year before the PCM picked up on the 104. Even a few gallons of 93 will drop the octane level of the 104 quite a bit.


BC
 
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