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fuel system mods to support 600rwhp

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Old Mar 20, 2008 | 08:06 PM
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ls1 jeff's Avatar
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Default fuel system mods to support 600rwhp

I currently have a H/C car that makes 450rwhp. Just got a Nitrous Outlet 90mm plate kit and am planning to spray it to 550-600rwhp. My fuel system is stock with the exception of 30lb svo injectors.

So what do I need to improve on the fuel system to support this kind of power? I asked this question on the forum, but there are so many different opinions over there that Im even more confused on what I need to do now. Keep in mind that I have a C5.
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Old Mar 20, 2008 | 09:17 PM
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I'd probably just say a 255lph in tank and a good tune.
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Old Mar 20, 2008 | 11:28 PM
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I would do a standalone fuel system for the nitrous. I've alway heard not to trust the Walbro 255 to support much more than 500 HP.
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Old Mar 21, 2008 | 10:37 AM
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Chris@NitroDaves
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The Racetronix system will support around the 650-700rwhp mark http://www.nitrousoutlet.com/catalog...product_id=970 . That should cover you, but every car is different and reacts different to mods. IF you wanted to make 100% sure that you will covered on fueling now and if you wanted to spray more later then i'd suggest a dedicated http://www.nitrousoutlet.com/catalog...del=73&dept=11 .

-Chris
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Old Mar 21, 2008 | 12:20 PM
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i made 650RWHP on a wet kit (TNT F2) and my fuel system consisted of SVO 30#'s and racetronix intake.

when it was pilled up to 700RWHP i started fighting lean conditions (pump couldn't keep up)
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