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LT1 Fuel Pressure Regulator Question

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Old Feb 2, 2007 | 09:54 PM
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Default LT1 Fuel Pressure Regulator Question
Do you really get more horsepower by increasing the fuel pressure on an LT1 engine? Does it hurt or stress anything in the fuel system?
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Old Feb 2, 2007 | 11:36 PM
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TPIS claims you will gain horspower on the stock LT1 by reducing the fuel pressure.
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Old Feb 3, 2007 | 02:33 AM
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GM said something about 39.5 should be the fuel presure for an LT1 a few years ago.
I tried it and it seemed to idle a little better.
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