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Dual in tanks with e85 fuel

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Old Mar 11, 2013 | 12:51 AM
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Default Dual in tanks with e85 fuel

I know this probably has been asked or said before but, I can't come up with anything by searching


Looking for 700-800 whp range, forced induction on e85 and have everything besides the pumps for a "DIY" double pumper. Trying to stay budget friendly as possible.. (If there is such thing when it comes to forced induction )



In short, I have 120# injectors, billet fuel rails, -8 feed, -6 return, fuel lab -8 in and out regulator and the second fpump controlled by a Hobbs.


Will this and dual walbro 255 (GSS294M or GSS340 not totally sure of difference) or two Racetronix 340L pumps be enough to support 700-800whp on e85?

Last edited by onesicws6; Mar 11, 2013 at 12:48 PM.
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Old Mar 11, 2013 | 08:49 AM
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2 255's should get you there depending on your base pressure
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Old Mar 11, 2013 | 01:20 PM
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I would think the dual 340's would be plenty but I havent seen any setups running two of those pumps in a stock fbody tank so Idk if you can fit them both in there like with the 255's. I think you might be pushin those 255's pretty hard if u went that route tho, could always run 3 like mightymouse did I believe with like 1k rwhp.
Has anyone else ran dual 340's in a stock fbody tank without issues? If so, what power level were you at max?
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Old Mar 11, 2013 | 11:18 PM
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Thanks for the input oange ss.


Originally Posted by Fb0dy0nly
I would think the dual 340's would be plenty but I havent seen any setups running two of those pumps in a stock fbody tank so Idk if you can fit them both in there like with the 255's. I think you might be pushin those 255's pretty hard if u went that route tho, could always run 3 like mightymouse did I believe with like 1k rwhp.
Has anyone else ran dual 340's in a stock fbody tank without issues? If so, what power level were you at max?

My main concern is that the two 255's won't be enough. Racetronix emailed me back and said that the RXP340M (340) pumps are the same size as a 255 walbro. So I may go with two of the Racetronix pumps instead as long as that will work.
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Old Mar 12, 2013 | 08:40 PM
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Twin 255's are approaching their limits at 800rwhp.

I can build you a fuel setup if interested.

Feel free to give me a call.
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