could any one give me some advice getting better gas mileage from my 1985 cutlass supreme 307 v8 (and i will not change cars if thats your advice) i keep the tire pressure checked, filters clean,platinum plugs and regular oil changes, and use regular gas (thats what it calls for), currently im getting about 16city/24highway im trying to get around 20/30 any advice would be appreciated email me @ lilrock@live.com
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