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CC Advertisers
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 2Likes
01-14-2017, 04:59 PM
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CC Member
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Join Date: Aug 2015
Cobra Make, Engine: All original, with Chevy engine since 1964
Posts: 996
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Not Ranked
Quote:
Originally Posted by Scotchman
Will the Carter pump work with a one way line to the carbs ? I do not have a return line to the gas tank.
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- Yes. No return line necessary
WHOOPS - You already knew that... 
__________________
- Robert
Last edited by moore_rb; 01-14-2017 at 05:01 PM..
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01-14-2017, 07:46 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: 4,236
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Not Ranked
I use a carter in-line 15 psi fuel pump for my NOS system, stepped down to 10psi with Holley regulator and safety cut-off at 4.5 psi. If my Holley Blue ever quits again, I can steal the Carter to get me home. (Or call AAA.)
AZ Bob
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AZCOBRA, AZBOBS Plates & JAFMO
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01-15-2017, 09:49 AM
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Club Cobra Member
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Join Date: Mar 2002
Location: arroyo grande, ca,
ca
Cobra Make, Engine: NAF 427
Posts: 1,774
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Not Ranked
Depends how nostalgic or original you want to make it.
Like my SW 240A pumps, gutted and bored out to accommadate two modern electric inline fuel pumps:
Cheers
Greg |
01-15-2017, 08:33 PM
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CC Member
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Join Date: Apr 2016
Location: Phoenix,
AZ
Cobra Make, Engine: Ex owner of a polished Kirkham 427 S/C. Now Cobra-less and driving a mid-engine German hot rod.
Posts: 828
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Not Ranked
I can sympathize Scotty. Thinking about changing mine too. I have a Holley red back at the tank and a mechanical pump (fed by the electric pump, so in series, with a return line). The electric pump sounds like a blender. If my fuel level is below 1/4 tank I see some pressure drop if I really get into the throttle. So either the pumps aren't keeping up or I have some clogging in the filter. In any event I can't see the electric pump lasting too long based on how it sounds.
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01-16-2017, 10:05 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
Mike, don't you have FI on that monster? I've always thought they required considerably higher pressure than carbs. If the electric pump can generate the high pressure, wouldn't then running through a mechanical pump lower that pressure by restriction? My confuzzzion runs rampant.
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
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01-16-2017, 10:07 AM
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CC Member
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Join Date: Apr 2016
Location: Phoenix,
AZ
Cobra Make, Engine: Ex owner of a polished Kirkham 427 S/C. Now Cobra-less and driving a mid-engine German hot rod.
Posts: 828
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Not Ranked
No mine is carburetor - single quickfuel 780 on a port matched edelbrock performer RPM
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01-16-2017, 12:23 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
O i c
__________________
Karlos
"In the Land of the Pigs, The Butcher is King"
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01-16-2017, 03:48 PM
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CC Member
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Join Date: Apr 2009
Location: Phoenix,
az
Cobra Make, Engine:
Posts: 848
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Not Ranked
Those Holley blue and red pumps (rotary vane) always are loud, especially when dead headed. They don't like it (noise, short life, vapor lock) and neither do most electric pumps. I am running a Holley gerotor with a bypass on it. Runs very quiet. https://www.summitracing.com/parts/hly-12-125/overview/
A good mechanical pump should work fine too with a carburetor. Just depends upon what poison you want.
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02-02-2017, 07:38 PM
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CC Member
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Join Date: Jan 2017
Location: Glendale,
AZ
Cobra Make, Engine: FFR MkIV 427
Posts: 636
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Not Ranked
In tank
Gordon Levy hooked me up with a 345 lph in tank pump, for Mustang tank. Supports 600 hp, runs cooler and quieter. Cannot speak to reliability, only about 1500 miles on mine.
Good luck
Mark
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02-03-2017, 05:40 AM
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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: 502
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Not Ranked
I have a Holley Gerator type pump as well. 5+ years and no problems. Went through 2 vain type pumps before I tried this one. It feeds a Quikfuel 780 too.
You can still hear it but much quieter than the old red ones.
Tim
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02-04-2017, 07:32 AM
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CC Member
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Join Date: Jun 2004
Location: Leicestershire,
UK
Cobra Make, Engine: Kirkham #523, 427 S/O
Posts: 1,137
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Not Ranked
The original 427's, including S/C and Race cars all ran mechanical fuel pumps. The twin SW pumps fitted to the S/C and Race Cobras were only for priming and reserve.
If mechanical pumps were good enough then, there's no reason to think that they're not good enough now.
Paul
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02-04-2017, 10:44 AM
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CC Member
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Join Date: Feb 2012
Location: Keller,
TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
Posts: 549
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Not Ranked
Quote:
Originally Posted by keezling
If you do go mechanical, make sure you have a eccentric cam on the cam sprocket
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+1
I know that mine doesn't have the cam eccentric. In many rebuilds that are planning on using an electric pump, the eccentric is not installed on the cam.
I installed a Walbro in-take retrofit pump from TanksInc. Quieter than external but still noticeable. |
02-04-2017, 11:48 AM
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CC Member
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Join Date: May 2007
Cobra Make, Engine: JCF supplied the body,frame,and some of the driveline-I completed it to be a very accurate 289 slabside
Posts: 149
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Not Ranked
My 289 was vapor locking in hot weather due to thermal soakback after starting after sitting for a short time and a very knowledgeable friend that specializes in the original Thunderbirds ( my previous car) suggested an inexpensive Carquest pump back near the tank. I switch it on for startup when cold to fill the bowls and leave it on longer if the engine is hot. If it ever vaporlocks I can switch it on to clear it. Haven't had any problems since, so far.
The Carquest pump is an Airtex E8016S and is available many places for about $25.
https://www.ctci.org/gilsgarage/VaporLock.php
Last edited by jon@harrison.ne; 02-04-2017 at 12:05 PM..
Reason: Add information
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02-04-2017, 08:23 PM
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CC Member
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Join Date: Mar 2006
Location: San Marcos california,
CA
Cobra Make, Engine: 1989 KCC from South Africa Right Hand Drive
Posts: 1,605
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Not Ranked
I've had a blue Holley for a while now....sometimes it does get noisy, but it does go away.
Mine is dead headed, so with a return it may be quieter.
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02-05-2017, 10:18 AM
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CC Member
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Join Date: Jul 2005
Location: Carpentersville,IL & Maricopa,,
AZ
Cobra Make, Engine: ACE, 351W, 3550 Tremec, Raging(?) Red W/ White Stripe.
Posts: 2,082
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Not Ranked
Quote:
Originally Posted by CHANMADD
I've had a blue Holley for a while now....sometimes it does get noisy, but it does go away.
Mine is dead headed, so with a return it may be quieter.
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Funny, I have a Blue Holley, sometimes it's real noisy and other times very quiet, depends on how often I change my hearing aid batteries! 
Ralphie, "WHAT DID YOU SAY?"
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