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SVT Shelby GT500
e85 mixed with 91
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<blockquote data-quote="Bad Company" data-source="post: 15674507" data-attributes="member: 141815"><p>Yes E85 has a higher octane rating, but it requires more fuel to be able to retain the same O2 levels in the exhaust. You'll lean the fuel mixture out, because the PMC will not adjust for the different mixture in fuel properly. You may raise the octane levels, but you may melt a hole in a piston too. </p><p></p><p>As J stated you'd be better off blending a high octane unleaded racing gas to your tank, but this raises the costs quite a bit over trying to raise the octane with blending pump E85 and 91 octane.</p></blockquote><p></p>
[QUOTE="Bad Company, post: 15674507, member: 141815"] Yes E85 has a higher octane rating, but it requires more fuel to be able to retain the same O2 levels in the exhaust. You'll lean the fuel mixture out, because the PMC will not adjust for the different mixture in fuel properly. You may raise the octane levels, but you may melt a hole in a piston too. As J stated you'd be better off blending a high octane unleaded racing gas to your tank, but this raises the costs quite a bit over trying to raise the octane with blending pump E85 and 91 octane. [/QUOTE]
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SVT Shelby GT500
e85 mixed with 91
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