Gas Octane For V8
#1
Gas Octane For V8
Anybody with a 06 MC SS and the 5.3 V8 running anything other than the premium and if so, have you noticed any change in your acceleration or getting any pinging/knocking at all. If the gas prices go extremely higher, I might just have to put 87 octane in every other tank or so. How about some feedback folks!!
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