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05-23-2009, 12:15 PM
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Senior Club Cobra Member
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Join Date: Jun 2000
Location: Gilford,
NH
Cobra Make, Engine: FFR 302 carb
Posts: 8,121
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Not Ranked
Fuel pump question
I currently have a Holly Blue. It has been getting very noisey of late. Changed the fuel filters it helped. I noticed after starting it back up to check for leaks that the pump is leaking. So it's time to replace it.
If I'm going to replace it I want something quieter.. Any suggestions?
Mike
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05-23-2009, 12:58 PM
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CC Member
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Join Date: Jul 2005
Location: Bartlett,
Ill
Cobra Make, Engine: Everett-Morrison LS1
Posts: 2,448
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Not Ranked
Carter, Edelbrock or Holley mech pump
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05-23-2009, 01:25 PM
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Senior Club Cobra Member
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Join Date: Jun 2000
Location: Gilford,
NH
Cobra Make, Engine: FFR 302 carb
Posts: 8,121
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Not Ranked
Changing to mechanical pump means I need to change out the front cover and then add a concentric.
The motor in question is a 92 302 out of a mustang.
MIke
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05-23-2009, 02:38 PM
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Senior Club Cobra Member
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Join Date: Jan 2004
Location: St. Louis,
Mo.
Cobra Make, Engine: 427 S.O. Dual Quad / Cobra undecided
Posts: 1,380
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Not Ranked
Barry Grant is on the pricey side but will run quieter than the Holley. Edelbrock builds one called a quiet-flow.
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05-23-2009, 11:55 PM
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CC Member
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Join Date: Aug 2000
Location: Glendale,
AZ
Cobra Make, Engine: SPF 468ci 550HP + 150HP NX Matching Shelby GT500 650HP
Posts: 4,209
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Not Ranked
Mikie, the modern Holley Blue is built different than the old one. I am on my 3rd. First 2 lasted about a year each. Current one is in 5+ and still fine. Looks different too.
AZ Bob
__________________
AZCOBRA, AZBOBS Plates & JAFMO
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05-24-2009, 11:09 AM
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CC Member
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Join Date: Jun 2001
Location: Mesa,
AZ
Cobra Make, Engine: ERA #2119 289FIA
Posts: 5,380
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Not Ranked
Mikie, you could probably rebuild ther Holley pump and save the exstra money for the next thing to die. There's always gonna be something.
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
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05-24-2009, 05:18 PM
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Senior Club Cobra Member
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Join Date: Jun 2004
Location: Huntington,
VT
Cobra Make, Engine: E-M 427 Top Oiler stroked to 482 by KC, Stage 2 heads, a Quikfuel and Voila, 640 hp
Posts: 501
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Not Ranked
Try the black Holley Gerator pump. 1 to 1 swap with the blue diaphragm and much quieter. Did the swap 2 years ago and so far so good.
Tim
__________________
At first, nothing happened. Then after a few seconds, nothing continued to happen.
Douglas Adams - Hitchhiker's guide to the Galaxy
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05-24-2009, 06:25 PM
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CC Member
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Join Date: Aug 2000
Location: Glendale,
AZ
Cobra Make, Engine: SPF 468ci 550HP + 150HP NX Matching Shelby GT500 650HP
Posts: 4,209
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Not Ranked
Karl, does your computer have spell check? What have you been smokin?
AZ Bob
__________________
AZCOBRA, AZBOBS Plates & JAFMO
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05-24-2009, 06:47 PM
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CC Member
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Join Date: Jun 2001
Location: Mesa,
AZ
Cobra Make, Engine: ERA #2119 289FIA
Posts: 5,380
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Not Ranked
Bob, I'se jus allus has trobble wit dem big werds.
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
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05-24-2009, 06:58 PM
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CC Member
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Join Date: Nov 2000
Location: Tucson,
Az
Cobra Make, Engine: Superformance 427 Side-Oiler
Posts: 2,156
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Not Ranked
Sh1tcan the Holley.I'd use aeromotive.
__________________
The rest of the world can have their opinion about the United States just as soon as WE give it to them.
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05-26-2009, 04:16 PM
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CC Member
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Join Date: Feb 2006
Cobra Make, Engine: Hurricane HM1073 Keith Craft Genesis 427FE/482 CI
Posts: 390
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Not Ranked
Quote:
Originally Posted by 55312
Try the black Holley Gerator pump. 1 to 1 swap with the blue diaphragm and much quieter. Did the swap 2 years ago and so far so good.
Tim
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X2 on the gerator.
http://store.summitracing.com/partde...5&autoview=sku |
05-26-2009, 05:32 PM
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Senior Club Cobra Member
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Join Date: Feb 2005
Cobra Make, Engine: Contemporary, FE, Tremec TKO 600
Posts: 1,950
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Not Ranked
Mallory makes a really nice pump too.
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05-26-2009, 10:46 PM
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Senior Club Cobra Member
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Join Date: Jun 2000
Location: Gilford,
NH
Cobra Make, Engine: FFR 302 carb
Posts: 8,121
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Not Ranked
I found the problem, why the pump got louder... The rubber isolator was worn out. I replaced the isolator and the pump is quiet, well as quiet as a Holley Blue can be. I checked pump pressure and volume. All good.
So, for now, I'll keep using the Holley.
Mike
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05-27-2009, 06:02 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,554
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Not Ranked
I have had a Holly Blue on the Cobra that I sold for over 7 years and it has never given any trouble. I also had an aeromotive pump on one of my cars and it worked very well. I never heard my Holly except when I was getting ready to start as I used rubber shock mounts and that dampened a lot of the noise. Only problem I ever had was I had to replace the regulator once.
Ron  |
05-27-2009, 07:39 AM
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Registered User
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Join Date: Jan 2004
Location: Pembroke Pines,
FL
Cobra Make, Engine: SPF 692, Ford 351W
Posts: 47
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Not Ranked
This is a common issue.
My Holley Blue pump also died this past weekend while the car was warming up. Lucky me !! Just ordered the Holley HP-125. Never liked the Blue one, it was too loud without the engine running. I will rebuild the blue and keep it as a spare for a rainy day. Soon I'll need another trunk for all the spares.  |
05-27-2009, 08:17 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,554
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Not Ranked
Blue Man,
That is part of the joy of these cars. Trying to decide what is going to break or fail next. I carried an extra coil, fan belt, distributor cap, coil wire, two spark plug wires, and numerous other items that I could find a place to stick out of the way. The fan belt was the only thing that I had to use as the one I had on broke one day when I was going down the road. Guess I was just lucky with the Holly Blue Pump as it has lasted all of these years and not a problem except the regulator going bad that time.
Ron |
05-28-2009, 09:46 AM
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CC Member
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Join Date: Jan 2008
Location: peoria,
az
Cobra Make, Engine: 1965 FFR MKII STROKER 514
Posts: 118
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Not Ranked
hey mike, as my car heats up and the longer I run the louder mine is getting, I pull up to a light and that thing just roars over my exhaust. what do you thing, just rebuild it?
let me know,
thanks Jim
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05-28-2009, 10:27 AM
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Senior Club Cobra Member
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Join Date: May 2007
Location: Mesa,
AZ
Cobra Make, Engine: Contemporary Classic, 428 FE CCX 3069
Posts: 7,501
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Not Ranked
Check the flow in your fuel system (not necessarily the pressure that the intake) .. i.e. fuel filters. Back pressure make the pump work harder therefore louder.
__________________
Dan in Arizona
CCX3209
"It's a great car and I love it, but it doesn't do 'SLOW' very well."
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05-28-2009, 04:30 PM
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Senior Club Cobra Member
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Join Date: Jun 2000
Location: Gilford,
NH
Cobra Make, Engine: FFR 302 carb
Posts: 8,121
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Not Ranked
Do as Dan suggests...
Check the flow and pressure. If all is good then look, like I did, for where the rubber isolator is and replace it. Mine was worn from age and heat. I replaced it with a thicker piece.
Did the same with the fuel regulator.
And even though the fuel filters were no more than a month old, I replaced them.
Mike
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