Can you adjust Fuel Pressure on a stock LT-1

06-17-2007, 09:00 PM

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Can you adjust Fuel Pressure on a stock LT-1

Hey guys can you adjust the fuel pressure on a stock 97 LT-1 Fuel system?

Thanks, Chase

06-23-2007, 01:21 AM

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You can, but the PCM will just re-adjust the PWM in a very short period of time and your right back where you started.

06-24-2007, 06:37 AM

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Not unless you install an adjustable fuel pressure regulator. But like said above there is no point in trying to tune with fuel pressure.