Thread: 67 Pontiac Bonneville Fuel Economy
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Old 06-26-2011, 03:41 AM   #3
ellev8or
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Re: 67 Pontiac Bonneville Fuel Economy
By far it's not new. Is that really all the mpg it will offer? Can I do anything to improve the 15 mpg besides an expensive tune up? What do u mean about high test?
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