LT1-LT4 Modifications 1993-97 Gen II Small Block V8

A1000 or KB Boosted 255.. fuel help needed

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Old 06-03-2013, 12:05 PM
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Default A1000 or KB Boosted 255.. fuel help needed

Ok guys, trying to get the fuel end of my boost build figured out. What would be better.. I got a guy locally that wants to sell me a slightly used A1000 pump from areomotive. Im already running a Walbro Racetronix 255. Would it be better to retain my current pump and put a run a Kenne Bell boosta-pump on it or should i spend the extra money and piece together my own system with the a1000. Anyone have any good links to an A1000 setup in an f-body? im trying to get an idea for what all would be involved
Old 06-03-2013, 06:08 PM
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I would go with the A1000 triggered off a hobs switch to come on at a certain boost, and use the 255 for normal driving.

But, either way you would be sucking through a 255, so, prob not the best method. Just grab another 255 and toss two in the tank.
Old 06-04-2013, 07:44 AM
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personally id run the a1000, I don't like the boost-a-pumps
Old 06-04-2013, 11:03 AM
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How much power could i support with the KB and the walbro?
Old 06-04-2013, 12:07 PM
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Originally Posted by quik95lt1
personally id run the a1000, I don't like the boost-a-pumps
There ya go.
Boosta pumps are in-tank pump killers.
Old 06-04-2013, 07:23 PM
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Unless you sump your tank and make the A1000 lower then the sump, or figure out a way to put the A1000 in the tank, I would go dual 255's in the tank. I blew up the A1000 twice in about 2000 miles, even with the pump controller, 10AN pickup line, 8AN to the rails and 6AN return. It doesn't like siphoning gas and it gets hot circulating the gas with normal driving. I also had problems that it pushed so much fuel so hard that it caused cavitation (air bubbles) in the fuel. Don't get me wrong it's a monster pump for the drag strip, but for a street car your better with dual 255's and a hobbs or rpm switch for the second pump.
Old 06-05-2013, 09:50 AM
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Originally Posted by wayneg1035
Unless you sump your tank and make the A1000 lower then the sump, or figure out a way to put the A1000 in the tank, I would go dual 255's in the tank. I blew up the A1000 twice in about 2000 miles, even with the pump controller, 10AN pickup line, 8AN to the rails and 6AN return. It doesn't like siphoning gas and it gets hot circulating the gas with normal driving. I also had problems that it pushed so much fuel so hard that it caused cavitation (air bubbles) in the fuel. Don't get me wrong it's a monster pump for the drag strip, but for a street car your better with dual 255's and a hobbs or rpm switch for the second pump.
I was wondering why nobody suggested dual intank Walbros with a hobbs switch. That's what I ran on my boosted setup with no problems whatsoever. You can even run it with stock lines.
Old 06-05-2013, 11:31 AM
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how hard is all that to wire up? May consider that option as well
Old 06-05-2013, 12:08 PM
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The Racetronix dual intank pump is plug and play.
Old 06-05-2013, 01:05 PM
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they sell a dual on racetronix? I was just on there site the other day and didnt see it.
Old 06-05-2013, 01:21 PM
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Also being as though i already have 1 255 pump how hard would it be to do myself?
Old 06-05-2013, 01:59 PM
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They definitely sell a dual intank setup. Give them a call. You'll have to send them your harness because that will have to be modified.



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