Nitrous Express Octane Booster
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TOULENE/ XYLENE MIX. turbo buick guys have been using it for years. it is a REAL octane booster. search it, get the chemicals, mix it up and enjoy your 100+ unleaded octane gas that you made for relatively cheap.
used it in my dsm years ago. could NOT get the thing to knock at all, 25psi ++ adding timing.
i use to used long time ago, my mind thinks it works but one time i try VP gas
and i feel the diference
believe me doesn't works

