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

trying out new pump

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Old Jul 24, 2011 | 11:49 AM
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Default trying out new pump

just changed out my intank pump and booster in line pump ,for a single intank pump bosch 004 pump it can handle 680 hp ,going to the rollers soon let you know wot we get ,492hp @ 5300 rpm at the wheels so far
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Old Jul 24, 2011 | 12:30 PM
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Sounds good, make sure you have adaquate wiring for this higher amperage pump and fuel lines. Don't forget the return line or your fuel pressure will run to high when engine demand is low. Bosch makes good pumps.

Don't like added booster pumps, fuel volume often is restricted to the capacity of the lowest flow rated pump.

Last edited by dynocar; Jul 24, 2011 at 12:33 PM.
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Old Jul 24, 2011 | 01:34 PM
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I'm running a Bosch pump in my bracket car.

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Old Jul 24, 2011 | 02:01 PM
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Originally Posted by 383vett
I'm running a Bosch pump in my bracket car.

Wow, amazing what a little fuel pump will do!! Added about 200hp to yours, 383!
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Old Jul 24, 2011 | 02:04 PM
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Originally Posted by HlhnEast
Wow, amazing what a little fuel pump will do!! Added about 200hp to yours, 383!
Yea, this thing was a 15 second 91 mph quarter miler before the Bosch mod.
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Old Jul 24, 2011 | 07:56 PM
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Originally Posted by 383vett
Yea, this thing was a 15 second 91 mph quarter miler before the Bosch mod.
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Old Jul 25, 2011 | 08:48 AM
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Originally Posted by dynocar
Sounds good, make sure you have adaquate wiring for this higher amperage pump and fuel lines. Don't forget the return line or your fuel pressure will run to high when engine demand is low. Bosch makes good pumps.

Don't like added booster pumps, fuel volume often is restricted to the capacity of the lowest flow rated pump.
sounds like good advice thanks.
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