Holley Vent Extension?? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-05-2001, 02:55 PM Thread Starter
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Holley Vent Extension??

Well I got me a Holley 390 CFM 4 bbl for my jeep. It had the bowl already vented when i got it, but i don't like the way it is installed. It is a piece of fule hose with each end over the vents, a hole cut out the top of the arch, and a Piece of wire inside the hose as a stiffener. It was "glued" on to the vents with a hard type of RTV or silicone. Is there a better way of venting the bowls, or is this the way to do it? I have been doing searchs trying to find a site with a write-up, but i couldn't find one. The setup fell off as soon as i got the carb out of the box. What i did not like was that it was "Glued" onto the vents and that glue could break off and enter the engine. The vent from the carb is not that long, but i thought about putting a metal hose clamp to hold it. Is there a way i can thread it and put a fitting on?? Or is the metal too thin? Thanks
Dan Stewart 1963 CJ5 "Caloosa Jeepers" member

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post #2 of (permalink) Old 07-10-2001, 05:42 PM
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Re: Holley Vent Extension??

DO MOT PUT A METAL HOSE CLAMP ON IT, I HAD ONE DROP INTO MY MOTOR, NOT GOOD. what you need to do is put a piece of copper tubing (vent extention) in you front vent . mine fit very tight and did not require epoxy. then run your fuel line with the hole at the top center front to rear. make sure your your tubing is long eniugh for the hose to get a good grip.

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