Marvel Mystery Oil in gas tank? - CorvetteForum - Chevrolet Corvette Forum Discussion

C1 & C2 Corvettes - Marvel Mystery Oil in gas tank? - A fellow member of NCRS, who drives a early C2 fuelie, recommended I use some Marvel Mystery Oil in my gas tank with each fill-up to can counter some of the effect of our ethanol-laden California winter gas, particularly by prolonging the life and suppleness of
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Marvel Mystery Oil completely revived an engine with ZERO