Terrible gas mileage

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11-16-2014, 11:53 PM

volsfan92

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Terrible gas mileage

I have a 05 SS/SC and I finally calculated my mpg..I'm only getting 200-215 on a tank with 90% interstate driving..Like wtf I barely get on it anymore Any clues to my problem?

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11-17-2014, 12:26 AM

SalvageBaltSS

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That's what I get, but mostly city driving.

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11-17-2014, 11:41 AM

Whitnith

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Is that 2.6" in your sig still accurate? That would indicate larger injectors. Couple that with winter blend gas, and it sounds about right. Especially if you have the defrost on, which runs the AC.