I've used Stabil ethanol treatment, it's for marine engines and got 3 more MPG consistently, as far as cleaners go I use sea foam in the gas. I've never tried octane booster.
I've used Stabil ethanol treatment, it's for marine engines and got 3 more MPG consistently, as far as cleaners go I use sea foam in the gas. I've never tried octane booster.
1988 Supra N/A 5spd SLOW
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