Thread: Gas Mileage
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Barrpete Barrpete is offline
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Join Date: Mar 2005
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Originally posted by Kaliv
I was reading somewhere that putting higher grade gas in our car is not a's a waste of money. It was just a editorial, so the claims can't be _that_ accurate. Just wondering, should I keep putting in high test (93) into an '87?
That is true - if your car can run on 87 octane you don't get any benefit of running on 91. My 350 V8 chevy runs fine on regular, it's actually what the owners manual recommends. But the owners manual for my '86 says 92 octane minimum so I run on premium.
1986 Carrera Coupe
1999 Chevy Tahoe
1987 Chevy Blazer
1955 Chevy Apache 3100 Pickup

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Old 06-02-2007, 05:41 AM
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