C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

MSD Fuel Pump Voltage Booster

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Old Oct 26, 2004 | 08:42 PM
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POLOVETTE 94
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Default MSD Fuel Pump Voltage Booster

What kind of vacuum line did you run to the MSD or KB boost-a-pump? It has to run from the engine (vacuum/boost source) to the unit in the back, near the gas tank. I was thinking of that white nylon gauge tubing.
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Old Oct 27, 2004 | 12:30 AM
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polo,

yes either that or even the small brake line... just a thought...

Mo
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Old Oct 27, 2004 | 10:48 AM
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Originally Posted by POLOVETTE 94
What kind of vacuum line did you run to the MSD or KB boost-a-pump? It has to run from the engine (vacuum/boost source) to the unit in the back, near the gas tank. I was thinking of that white nylon gauge tubing.
Kenne Bells box uses a vacuum switch located on the engine to activate their box. I beleive that the MSD box uses a vacuum line but it does not have an adustable output like the KB unit does. I just tuned mine, and installed a fixed resistor across the pot connection at the KB box, that way I never have to mess with an adjustment.
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