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trooper8
Samba Member
Joined: July 04, 2012
Posts: 19
Location: United States
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 Posted: Wed Apr 28, 2021 8:18 pm Post subject: Fuel hoses for Dual Weber - mystery |
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The carbs have what I'm sure is the fuel feed on the outsides of the Webers. Pickup comes from tank bottom, thru pump, past fuel pressure gauge, to the carbs.
I'm trying to figure out what these other fuel hoses are for? From "insides" of Webers, run to elect pump and to the top of the fuel tank (not sure what's inside the tank). Is this a fuel return? Some enrichment circuit?
Does that pump outlet the top or bottom?
Thanks
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After 20 years without a VW there is a 69 Bug survivior in the garage! |
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jsturtlebuggy
Samba Member
Joined: August 24, 2005
Posts: 4496
Location: Fair Oaks/Orangevale, CA
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| Posted: Wed Apr 28, 2021 9:32 pm Post subject: Re: Fuel hoses for Dual Weber - mystery |
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It commonly referred to as the “Sucker System”
It helps with keeping carbs from flooding out in rough driving conditions by returning excess fuel back to tank.
Used more on off road race cars that are traveling rough terrain at high speed.
I have set them up on both Weber’s and Holley 4 barrels used in off road racing
With good success.
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Joseph
Fair Oaks/Orangevale, CA
Elrod Motorsports
Motion Tire Motorsports
Having fun with Dune Buggies since 1970
Into Volkswagens since 1960 |
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