Quote:
Originally Posted by JTinFL
Has anyone put any other type of gas in it yet other than 93 octane to see what it would do?
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Funny you should ask but I noticed a BIG difference after putting some in the other day. Happy with my LS3, but now its even stronger with the 93 octane and 3 more miles per gallon! Dont know why I listened to my salesman, telling me reg. was just as good with this engine - though I was still using mid-grade.