Fuel Regulator help
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Fuel Regulator help

  1. #1
    21' Daytona DaytonaTunnel's Avatar
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    Default Fuel Regulator help

    I just ordered my Clay Smith 130gph mech fuel pump. It needs to have a regulator. I need a regulator that will flow enough fuel, but don't want one with 4 exit's, just one in and one out. I'm running a Keith Eikert fuel dist log, and want to keep my current fuel line set-up. Suggestions ?

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    Resident Ford Nut Sleeper CP's Avatar
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    Check out pages 110 and 112. I couldn't save the picture. There are two that flow 200 gph one with a two port the other 3 port and they are not huge regulator's.

    http://www.malloryperformance.com/pd...m_Products.pdf

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    21' Daytona DaytonaTunnel's Avatar
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    Thanks Sleeper, but can a 3/8npt in and out really feed enough fuel for my engine ? 521c.i., 9-10lbs. of boost, 2 1120 cfm Dom's, 6,400 rpm's on a AA.

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    gn7
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    there are no 1 in, 1 out regs that I know of. The Mallory 2 point is 1 in, 2 out and has 3/8" ports, in&out. The Holley has 1/2" ports all around and is cheaper and a damn good reg. You can plug one of the outs and it will still flow out flow the pump. Don't try that with the Mallory and the 3/8 ports.
    http://store.summitracing.com/partde...5&autoview=sku



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    Resident Ford Nut Sleeper CP's Avatar
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    Quote Originally Posted by DaytonaTunnel View Post
    Thanks Sleeper, but can a 3/8npt in and out really feed enough fuel for my engine ? 521c.i., 9-10lbs. of boost, 2 1120 cfm Dom's, 6,400 rpm's on a AA.
    You'd have to flow it, but 200 gph is 1,200 lbs of fuel; at a BSFC of .5 that would feed 2,400 hp. hummmmmm.

    We have the original Holley billet regulator, I wish they still made them the new one posted above is cast. Our's has one 1/2" in port and two 1/2" out ports. I don't have a close up of it but you can see it in this picture:



    Very good regulator, I just don't like the way the new cast one's look.

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    Might want to consider a bypass regulator and #8 lines

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    21' Daytona DaytonaTunnel's Avatar
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    Thanks for the suggestions guys. GN, that is the pump I was looking some time ago but somehow couldn't find again. I think that'll do the trick. Sleeper, it'll be hidden so it won't look too bad

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    steelcomp was here
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    Quote Originally Posted by gn7 View Post
    there are no 1 in, 1 out regs that I know of. The Mallory 2 point is 1 in, 2 out and has 3/8" ports, in&out. The Holley has 1/2" ports all around and is cheaper and a damn good reg. You can plug one of the outs and it will still flow out flow the pump. Don't try that with the Mallory and the 3/8 ports.
    http://store.summitracing.com/partde...5&autoview=sku
    +1 on the big Holley.
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    21' Daytona DaytonaTunnel's Avatar
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    Thanks againm the Holley it is !!! Just got my Summit $50 off coupun, now what else do I need........

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    Quote Originally Posted by DaytonaTunnel View Post
    I just ordered my Clay Smith 130gph mech fuel pump. It needs to have a regulator. I need a regulator that will flow enough fuel, but don't want one with 4 exit's, just one in and one out. I'm running a Keith Eikert fuel dist log, and want to keep my current fuel line set-up. Suggestions ?
    How did this work out?
    I just put a Clay smith pump on my 540 with 8-71 and dual 850 dp Holleys.
    #8 from gunnel tank to high flow inline filter to inlet. #8 out to 1 Mallory reg with 3/8" ports. #6 lines to both carbs.
    Fuel pressure drops to 3# pretty quickly into a wot burst.
    I hav another Mallory reg so I could go dual. If one larger reg will work I'll buy it.
    The dip tube in the tank is 1/2" so I don't see how going bigger on the inlet will help.?

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    21' Daytona DaytonaTunnel's Avatar
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    Quote Originally Posted by 2sangers View Post
    How did this work out?.................Fuel pressure drops to 3# pretty quickly into a wot burst.
    UNFORUNATELY it didn't work, I had the same problem you do currently. I calles C/S and talked to George. He was a great guy to deal with, and a wealth of info. If you want, PM your number and I'll give you a ring to explain how to solve this, or call Clay Smith and ask for George, he'll fix you up. I can type it out, but don't have the time tonite. Nothing top secret, just easier to explain person to person.

    FYI, the system he set me up with has worked flawlessly, 8-9lbs. no matter what throttle position.

  14. #12
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    Run a bypass regulator as suggested several posts before.
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