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  • fuel pressure

    hey does anyone know a fomula to figure out what to have an adjustable FPR set on for 3.1 injectors with a ported gen 3 top end
    or how much fuel you need or any of that stuff
    I Like V660s
    Does Chevy make beer
    ~Jayme~

  • #2
    on my car "motor is pretty stock for now) i set it at foctory pressure and play with it till the car is happy. i also have an air/fuel gauge to help tune (i know mostly its for eye candy, but i can actualy tune by it)

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    • #3
      Stock is around 43.5 psi
      If your going lean or think you might be, up it.
      Seth
      Camaro 1
      85\' 3.4L, T-5, 3.42gears
      Mods at work on,
      car domain site 03/13 Saab intercooler flow numbers.
      85\' IROC Z28 Ttop 5.0L, auto mostly stock.

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      • #4
        Stock pressure runs Lloyds 3400 engine and the ECM is still trimming fuel. 3.1L are over fueled so I would just leave it.
        1993 EXT. CAB, 3.4L V6 TBI, 5spd manual. Sonoma
        1990 4Door, 3.2L V6 TBI, 5spd manual. 4X4. Trooper
        Because... I am, CANADIAN

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