What fuel are you running for the 10 second runs??
My M550 with the RK Tune is only Stage 1 and running 91 octane fuel... and I produced a 3.5 second 0-60. Might be able to get to a 3.3 with better tires (running Michelin all season now).
Last edited by tjohnson; 01-29-2020 at 09:49 PM..
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