Thread: Fuel Regulator
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07-14-2008 08:00 PM #1
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Fuel Regulator
What do you guys like to set your fuel pressure regulator at? I am running a 850cfm Holley on a 454. I have a hydraulic flat tappet stick, so it will only see 5500 - 6000 rpm.
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07-14-2008 08:09 PM #2
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assuming carb,6-7 psi around there, you can tailor it to your car from thereFriends dont let friends drive fords!
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07-14-2008 08:28 PM #3
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I am running 6.5 lbs on mine with a holley blue pump pushing 650 horse. Between 6 to 7 pounds is a typical setting on a carbed motor. At 6.5 pounds I can dissconect my fuel line and fill a 5 gallon can in about a minute. So with saying that 6.5 pounds is alot of fuel.
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07-14-2008 10:08 PM #4
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The pressure would me good as Moon and Truck stated, but make sure you have enough fuel volume, too.... A 5/16" fuel line probably won't cut it for any high performance use......Yesterday is history, tomorrow is a mystery, Live for Today!
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07-15-2008 06:06 AM #5
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The fuel cell is in the trunk, and sealed up. Filter and Pump hang below on the frame with 1/2 inch braided running along the frame to the regulator which is mounted on the inner fender. From the regulator to carb, I am using 3/8 inch braided. We are guessing about 500 h.p. with this motor.
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07-15-2008 06:32 AM #6
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Should work fine with that fuel pressure, plenty of volume.Yesterday is history, tomorrow is a mystery, Live for Today!
Carroll Shelby
Learning must be difficult for those who already know it all!!!!
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07-18-2008 01:23 PM #7
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I was wondering if everyone agrees on 6-7 in lbs, is an OEM / Napa feul pump adequate? Edelbrock tech notes have lots of discussion about TOO MUCH FUEL PRESSURE causing problems."Chance favors the prepared mind"
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07-18-2008 01:45 PM #8
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The amount of fuel required is based on Brake Specific Fuel Consumption. Basically you need 8-9 GPH (gallons per hour) per 100 HP. That sizes your pump.
I would run it at 6-6.5 psi.
KitzJon Kitzmiller, MSME, PhD EE, 32 Ford Hiboy Roadster, Cornhusker frame, Heidts IFS/IRS, 3.50 Posi, Lone Star body, Lone Star/Kitz internal frame, ZZ502/550, TH400
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07-21-2008 01:05 PM #9
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Thank you Kitz. I think the stock does that."Chance favors the prepared mind"
Car Cruisin spectator remark about my suede paint :
"That will look nice when it is painted"
(it is painted).
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