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Old 08-16-2017, 07:29 AM   #12 (permalink)
beemerkid
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Quote:
Originally Posted by Chuck33079 View Post
Is there one that makes a real difference? All of the ones I seem to see around raise octane a few points, so your 91 becomes something like 91.4.
Tetraethyl lead.... But seriously, most of them are just ethanol. I've heard about people using toluene though.
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