I live in Ca so all i have is 91 octane, i buy Cheveron, 76 or Mobile...Mobile seems to be the best when it comes to power and consistancey...cost more usually. I never ever use arco. Its the worst gas in the world (not counting Thrifty gas).
I sometimes use Techron Feul system cleaner...it really helps that full tank last alittle longer but then its back to normal when its all burned up.
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