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    Holley Throttle Body Injection – round 1

    Here are the shots of the HOLLEY THROTTLE BODY INJECTION I put on. I love it. It goes like a….

    It took about 2.5 hours to put it on. I left the original gas pump in. I mounted the new higher pressure pump on the fire wall. The first pump (low pressure) send fuel to the high pressure pump which then goes to the throttle body, through the pressure regulator, then back to the high pressure pump. So there is a constant pressure fuel supply for the injectors. This is outlined in the Holley instruction manual for their 2 barrel tbi.