HoosierDaddy
Well-Known Member
Top Tier 87 octane. But with my sizable petroleum investments I strongly encourage others to use 91 or 93.You folks getting 20 mpg mixed on your GT-PP, what gas are you using?
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Top Tier 87 octane. But with my sizable petroleum investments I strongly encourage others to use 91 or 93.You folks getting 20 mpg mixed on your GT-PP, what gas are you using?