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Full Blown Twin Fuel Pumps!!

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Old Oct 19, 2007, 07:48 PM
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Old Oct 19, 2007, 08:36 PM
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Ill give LJ a call in the morning. I know hes been working around the clock on a turbo NSX. His dual pump setup will support about 1000whp if you do he mod to the walbro pump.
If im not mistaken the walbros fall off about 70 psi. By punching down the relief they will go up to 90 psi from what we have seen. But you need to run bigger wire to them as the current draw will be greater
Old Nov 7, 2007, 09:20 PM
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sorry for the late response guys, been super busy like Paul said. Paul is correct, you can punch the relief valves down and they will flow atleast 900hp. I have a flow chart let me see if i can find it.
Old Nov 8, 2007, 02:18 PM
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Originally Posted by FullBlown
sorry for the late response guys, been super busy like Paul said. Paul is correct, you can punch the relief valves down and they will flow atleast 900hp. I have a flow chart let me see if i can find it.
Can you explain that or is there a thread on it?
Old Nov 11, 2007, 07:32 PM
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Thumbs up

Originally Posted by InDub
Can you explain that or is there a thread on it?

https://www.evolutionm.net/forums/sh...d.php?t=290297
Old Nov 11, 2007, 07:39 PM
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Wow, that looks hard . Please tell me this isn't what some others sell as a modifyed pump.

Thanks Fullblown
Old Nov 11, 2007, 07:39 PM
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i have a 30r kit right now and in a few days switching over to a 35r. im still on stock ecu and i have a list of mods that never ends. i run 93oct, 100oct, c16 maps. i have 1000cc injectors, perrin fuel rail and a walbro 255f/p.... do you think im maxing out the single walbro f/p??? how much more % wize dose this double pump setup pump over a single pump setup..... do you think i will be needing this setup???
Old Nov 11, 2007, 08:35 PM
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Originally Posted by evodan2004
i have a 30r kit right now and in a few days switching over to a 35r. im still on stock ecu and i have a list of mods that never ends. i run 93oct, 100oct, c16 maps. i have 1000cc injectors, perrin fuel rail and a walbro 255f/p.... do you think im maxing out the single walbro f/p??? how much more % wize dose this double pump setup pump over a single pump setup..... do you think i will be needing this setup???
There are guys on here maxing out their single walbros on a 35r. How much boost are you running?
Old Nov 12, 2007, 04:57 AM
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Originally Posted by FullBlown
There are guys on here maxing out their single walbros on a 35r. How much boost are you running?
The 35r is not installed yet so on pump I'm guessing 25psi and on c16 whatever the turbo can push really. No holds bar here.

Will this setup work on the stock ecu with no issues after tuning?

Also will I need to replace the one walbro pump I have now or can I still ues it?
Old Nov 12, 2007, 05:06 AM
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Originally Posted by FullBlown
sorry for the late response guys, been super busy like Paul said. Paul is correct, you can punch the relief valves down and they will flow atleast 900hp. I have a flow chart let me see if i can find it.
Is it safe to be punching the relief valves or will this shorten the life of the pump/burn it out faster
Old Nov 12, 2007, 05:08 AM
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Originally Posted by evodan2004
The 35r is not installed yet so on pump I'm guessing 25psi and on c16 whatever the turbo can push really. No holds bar here.

Will this setup work on the stock ecu with no issues after tuning?

Also will I need to replace the one walbro pump I have now or can I still ues it?
Dan,just click on link in post #50 above and do that to your stock walbro that you currently have,buy another Walbro and do it to that one and you will have plently of fuel with that dual pump set-up.
Old Nov 12, 2007, 05:31 AM
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Originally Posted by turboDan
Dan,just click on link in post #50 above and do that to your stock walbro that you currently have,buy another Walbro and do it to that one and you will have plently of fuel with that dual pump set-up.
Thanks bro.
Old Nov 15, 2007, 09:46 AM
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Originally Posted by evodan2004
Is it safe to be punching the relief valves or will this shorten the life of the pump/burn it out faster
Only time ill tell i guess, I dont think it will since youre only going to be hitting that psi range for a short period of time.
Old Jan 7, 2008, 08:18 PM
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bump
Old Feb 13, 2008, 03:38 PM
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at what hp is the single walbro maxed out at?


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