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| Does octane in tank matter for how much ethanol to put in? |
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| 08-26-2021, 05:21 PM | #1 |
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Does octane in tank matter for how much ethanol to put in?
Hey guys so was curious if the octane rating in my tank matters when calculating how much ethanol to add for e30 tune on bm3? I just filled up with 100 octane and was gonna fill up with E85 but didn't because i don't know if octane rating in tank matters or if i just have to input the ethanol in gas i'm putting into my car and i can just fill up with 91?
Please let me know! Thank you |
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