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Last edited:
Non Ethanol 91 Octane Fuel in HEMI
- Thread starter RAMAINEiac
- Start date
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Dan Topp
Senior Member
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I’m on a hp tune with a Procharger so it allows 91 but when I jump on it the alky systems methanol injection light kicks on regardless of 93-10% or the 91-0% It’s a bandaid for low octane. All newer fuel systems and pcms automaticly adjust.
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