is anybody using a Boost activated Fuel pressure regulator? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat
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Old 03-02-2003, 05:26 PM   #1
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Default is anybody using a Boost activated Fuel pressure regulator?

My spped shop was telling me about a piece called a FMU. That will up the pressure on the fuel rail as the boost goes up. has anybody heard of this or is using one? I know the 2.4 cavy guys use a regulator that goes on the end of there fuel rail that has a gauge on it . When they get to the track they simply turn this **** under the hood and up the pressure. It seemed to help them alot. Not sure if it had something to do with that specfic engine. i.e gm low pressure problem or something.
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Old 03-02-2003, 06:42 PM   #2
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MSD sells a unit that boosts the voltage to the fuel pump to increase its flow, we already have a fuel pressure regulator on our fuel rail. they make a screw on fuel pressure gauge for the LT1 that fits right on our pressure port on the rail too. our regulator is already vac/boost controlled. under vac. the pressure lowers and when you hit the throttle and the vac. drops, the pressure goes up
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