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Need help with FPR and rails for E85 750-800rwhp

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Old 07-05-2016, 09:41 AM
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Default Need help with FPR and rails for E85 750-800rwhp
I've read a lot of things that say the stock fuel rails are good for this kind of power, but what about the stock FPR? And if I need a boost referenced FPR, can I use one with stock fuel rails?
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Old 07-05-2016, 10:31 AM
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What year truck?
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Old 07-05-2016, 10:36 AM
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Originally Posted by miked.
what year truck?
2002.
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Old 07-05-2016, 12:36 PM
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I have a gauge for that
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How lucky are you feeling?
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Old 07-05-2016, 12:59 PM
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Originally Posted by Atomic
How lucky are you feeling?
So I should go with aftermarket rails and FPR?
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Old 07-05-2016, 01:56 PM
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I have a gauge for that
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I certainly would. 800hp is a lot to ask from stock rails with e85.
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Old 07-05-2016, 02:04 PM
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Originally Posted by Atomic
I certainly would. 800hp is a lot to ask from stock rails with e85.
Okay. Would you recommend running the FPR before or after the rails? Would I be fine to stay with the stock fuel lines?
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Old 07-05-2016, 03:23 PM
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Originally Posted by Lane_Hesser
Okay. Would you recommend running the FPR before or after the rails? Would I be fine to stay with the stock fuel lines?
Aftermarket rails, you will have the regulator after the rails. You could use your stock return line, but run -8 feed at least.
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Old 07-05-2016, 03:57 PM
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Originally Posted by MikeD.
Aftermarket rails, you will have the regulator after the rails. You could use your stock return line, but run -8 feed at least.
Okay. My next question is what does it take to make aftermarket rails fit on a truck intake?
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Old 07-05-2016, 04:09 PM
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It takes 147.23.. You can buy these rails, they seem to work well for the price.

http://m.ebay.com/itm/Z920-Fuel-Rail-Kit-Complete-6AN-5-3-6-0-6-2-Chev-Silverado-BLACK-LM7-LQ4-9-/141800127673?nav=SEARCH
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