sunoco 100 Octane race fuel ??
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i ran 100 delta sonic. did nothing but use more fuel. it ran the same as 93 sunoco. but my motor is all stock and an LS1, not LT1. so who knows ...might be better for an iron block.
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around here sunoco has 93 and 94 super plus, and we have one that has torco 110 (close to airstrip-plane gas) I never see a difference with mixing the higher octanes to get about 100.. just more expensive.
I run this stuff in my engine its the only company I know that makes 110,112 and 114 in unleaded
http://www.proracingfuels.com/Product_MARK2.html
http://www.proracingfuels.com/Product_MARK2.html
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From: Decatur, TN (N-W of Athens)
I run 105oc mixed with some (note: some, not a lot) 93, and I notice a bit more pep. I only do it from time to time. Seeing as the same station sells E85 105oc I might mix those two 
prolly, but why pay all that when you're not gaining a single thing in your application, and a fuel with good cleaning agents is cheaper (Vpower). You can get good fuel system cleaners at the autostore and be ahead.
