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run rough

  1. Fuel System
    Hi, I work on a racing setup with a 3800 gen 1 swap convert with a Gen 2 ECU using the MAP of the gen 2. I use a vacuum hose and hooked up my MAP to it instead of drilling a hole in my actual intake manifold. I use a high flow Fuel Pump ... I already use this one for a GM L67 5.3, When I...
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