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Edelbrock 1721 Fuel Pump

Forum: C3 HVAC, Fuel, Emissions, and Exhaust

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Edelbrock 1721 Fuel Pump

Posted: 8/17/11 10:35pmMessage 1 of 4
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garr72
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Joined: 11/16/2003
Posts: 16
Vette(s): 72 t-top red on black small block, auto,a/c,ps,pb,radio. Built Aug24/71 no.834
Last winter I had a made a post about changing the stock sb fuel pump and going with the Edelbrock 1721. In the spring the pump swap was made and the bottem fuel pump plate kit 1798 was not used. Steel line and brass fittings also used instead of rubber gas line. The improvements are when fired no stalling as 110 gal/hr @ 6lbs also over 3000 no lugging and under heavy acceleration no pinging. I'm not saying that this is the answer that going to cure everybody's fuel problem I'm just saying that I'm happy with what was achieved. Thanks again for all the impute from the responders. GarryBig smile
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Edelbrock 1721 Fuel Pump

Posted: 8/18/11 5:02amMessage 2 of 4
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Adams' Apple
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22714
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
Good to hear the change is working out for ya. Thanks for the info!

Joel Adams
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Edelbrock 1721 Fuel Pump

Posted: 8/18/11 6:20pmMessage 3 of 4
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Jaws79
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Sykesville, MD - USA
Joined: 4/27/2008
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Vette(s): 1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops
It's good to hear a success story! Gives us all hope!
 
Barry
 
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Edelbrock 1721 Fuel Pump

Posted: 8/18/11 8:39pmMessage 4 of 4
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rod7515
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Red Lion, PA - USA
Joined: 10/27/2006
Posts: 1182
Vette(s): 1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic
Garry, Glad to hear that seems to be taking care of your issues. Now heres a few questions I have for you about that pump because I am considering using a similar pump. Your cars original pump has 2 pipes coming out the bottom of the pump, one is for fuel coming into the pump from the tank and the other being a return for fuel to return to the tank, i think they call it a bleed off?, and one out the front that carries the fuel  to the carb. What did you do with your piping for the bleedoff side? What effects does not using this return passage do?
Thanks
Rodney
rod75152011-08-18 20:42:08

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