05-26-2022 | #1 |
Join Date: Nov 2018
Location: Washington
Posts: 98
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which gas
In my area, I have three choices of gasoline, Ethanol based 91 octane, non- ethanol 87 octane, and 100LL Avgas. Which would be the best fuel to use in my stock '91 LT5 that doesn't get driven a lot? Which fuel lasts the longest in the tank?
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