mpg

  1. T

    Holley Sniper EFI fuel economy

    So I picked up my truck with a sniper EFI already installed on a 350. Call me greedy, but I wouldn't mind getting better fuel economy out of it. I ran down all the usual suspects and it doesn't appear to be running rich or lean yet I'm averaging approximately 8-10 mpg. From what I've heard that...

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