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Walbro 255 inline pumps

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Old Jun 4, 2007 | 06:16 PM
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Default Walbro 255 inline pumps

Looking for a good and cheap inline pump to use on my ls1/rx7 project. I am looking for other options. The aeromotive setup is a little too much for what I'm looking for but I hear there is a bosch unit what does 300 or 350lph and is a little more money. I also just found the inline Walbros on ebay for 110$.

I have never done a fuel setup before and would like to know what size AN lines to use and how to connect them to my stock hard lines.

I would like a fuel setup that can accomodate an agressive heads/cam combo for a very reasonable price.
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Old Jun 4, 2007 | 06:50 PM
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Originally Posted by sciff5
Looking for a good and cheap inline pump to use on my ls1/rx7 project. I am looking for other options. The aeromotive setup is a little too much for what I'm looking for but I hear there is a bosch unit what does 300 or 350lph and is a little more money. I also just found the inline Walbros on ebay for 110$.

I have never done a fuel setup before and would like to know what size AN lines to use and how to connect them to my stock hard lines.

I would like a fuel setup that can accomodate an agressive heads/cam combo for a very reasonable price.
I have an Aeromotive 11109 for sale- it is brand new, $120 shipped. It flows 325 lbs. per hour @ 13.5 Volts and 45 PSI
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Old Jun 4, 2007 | 07:06 PM
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Originally Posted by explorer5.0
I have an Aeromotive 11109 for sale- it is brand new, $120 shipped. It flows 325 lbs. per hour @ 13.5 Volts and 45 PSI

What does that convert to in lph approximatly?

After looking it up it says it will support 500hp (I am looking for 500 whp)
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Old Jun 4, 2007 | 07:28 PM
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Originally Posted by sciff5
What does that convert to in lph approximatly?

After looking it up it says it will support 500hp (I am looking for 500 whp)

Do you have an intank pump? or are you planning on running the inline alone?
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Old Jun 4, 2007 | 08:11 PM
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Originally Posted by explorer5.0
Do you have an intank pump? or are you planning on running the inline alone?

I have a fuel cell so I will be running the inline pump alone
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Old Jun 4, 2007 | 11:16 PM
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Originally Posted by sciff5
What does that convert to in lph approximatly?
325lbs/hr means it will suport 40.625lbs x8 injectors, which means you can run 42lb injectors at 97% duty cycle. This will support 500whp in a N/A car.

Last edited by explorer5.0; Jun 5, 2007 at 08:16 AM.
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