Fuel Pressure ?
Fuel Pressure ? thinking about upgradeing the fuel pump on my Ls1, but I have a few ?s. I know bigger pumps create higher pressures, what does this do to tuning. Does the higher pressure make the car run a little rich or does the fuel system have a pressure regulator to keep a constant pressure at the injectors.
since there is no fuel rail pressure sensor, if you have a higher rail pressure, the computer does not know it, and you will run rich.
However, its normally from 58 to maybe 62 psi, so its not a huge big deal with the ls1's weird fuel system (dropping pressure drop across the injector when you go wot)
Ryan
However, its normally from 58 to maybe 62 psi, so its not a huge big deal with the ls1's weird fuel system (dropping pressure drop across the injector when you go wot)
Ryan
Originally Posted by slow
since there is no fuel rail pressure sensor, if you have a higher rail pressure, the computer does not know it, and you will run rich.
However, its normally from 58 to maybe 62 psi, so its not a huge big deal with the ls1's weird fuel system (dropping pressure drop across the injector when you go wot)
Ryan
However, its normally from 58 to maybe 62 psi, so its not a huge big deal with the ls1's weird fuel system (dropping pressure drop across the injector when you go wot)
Ryan
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