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electronic fuel injection

  1. 65 Mustang 289 "Jerky/Quick" EFI Gas Pedal Response

    Vintage Mustang Forum
    Greetings, I have a Holley EFI installed on my 65 Mustang 289 and have a "jerky" response when applying pressure to the gas pedal. By that I mean instant acceleration when applying light pressure in traffic. Its at the point, where I have to apply pedal pressure with my toes compared to entire...