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fuel management unit

  1. jesse12345

    420A SPA Turbo fuel management unit rich idle

    Hey all so I'm using the SPA Turbo fuel management unit, I think max is 14:1 on it and it works great, I'm running real rich at idle and my fuel pressure at idle is around 29 lbs. Have any of you tried that unit out yet? I know I need to pick up a megasquirt but I'm running low boost for now...
  2. cowmilker69

    420A Fuel Pressure not rising even with FMU...

    Hey yall, I got my boosted 420a here and I have a few questions based on the shitty situation I'm in. I'm running a basic, aged 5 psi setup: T3/T4 turbo FMIC 12:1 FMU 255lph walbro DSP Electronics FCDAs of right now the car is running shitty. I drove the car with a fuel pressure gauge hooked...
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