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SVT Shelby GT500
New GT500 owner - Any potential issues running 95 octane mix on a 93 tune?
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<blockquote data-quote="lfgt" data-source="post: 16283283" data-attributes="member: 196111"><p>Thanks for the replies.</p><p></p><p>Maybe I am looking to far into this but it surprised me the tuner suggested swapping in some new plugs and doing some pulls to verify timing marks on the spark plug straps which seems excessive for just running different/better fuel. </p><p></p><p>The Sunoco 260 GT has E10 and a stoich of around 14.0 and when mixed with straight 91 (Stoich of 14.64) should bring the ethanol down to around 5% or below and a stoich value of around 14.3 to 14.4 So maybe I will run a little rich? Not enough to be concerned about?</p></blockquote><p></p>
[QUOTE="lfgt, post: 16283283, member: 196111"] Thanks for the replies. Maybe I am looking to far into this but it surprised me the tuner suggested swapping in some new plugs and doing some pulls to verify timing marks on the spark plug straps which seems excessive for just running different/better fuel. The Sunoco 260 GT has E10 and a stoich of around 14.0 and when mixed with straight 91 (Stoich of 14.64) should bring the ethanol down to around 5% or below and a stoich value of around 14.3 to 14.4 So maybe I will run a little rich? Not enough to be concerned about? [/QUOTE]
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New GT500 owner - Any potential issues running 95 octane mix on a 93 tune?
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