Quote:
Originally Posted by KDMofo
There's a 91 octane tune loaded on there too but it's for a stock car, the 94 octane had all my bolt-ons tweaked for it. I guess Ill just run 91 daily and save 94 for the track
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What engine, mods and ECU are you running? Some cars can still handle a lower octane even if it's tuned for a higher rating, whereas other cars can't. You might get lucky or extremely unlucky, depending on what you have.