Premium is $3.70 here versus $3.45 for regular. I don't want to ruin my supercharger or engine by using regular? I know it's only 25 cents more a gallon but that adds up quickly! Help please!
um yeah, if it says to use it in the owners manual, then you should do just that. sucks that gas is so high and its only climbing, but running 87 in a car that needs premium is just asking for problems.
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