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Discussion Starter · #1 ·
I bought a 2000 Pontiac Trans Am ws6 (ram air) w/ 50k miles. the manual and gas tank say premium is recommended, but it will run on regular or mid grade. Would this be ok, and what impact will it have on performance and gas mileage. I'm thinking about the cost of gas and the fact that it inhales it on the daily work drive.

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