Quadrajet ???
Thread Starter
Melting Slicks
Joined: May 2006
Posts: 2,364
Likes: 103
From: Centerville Louisiana
Quadrajet ???
If the shaft bushings are leaking how obvious would the leak be? I've got a wet spot driver side below the shaft and I do smell gas a lot when using full throttle. I've tried to identity the leak holding rpm up. No real evidence of it actually coming out the carb
Burning Brakes
Joined: Sep 2009
Posts: 1,124
Likes: 140
From: Western New York
I would think that if the shaft bushings were badly worn, you'd have a vacuum leak. With the amount of air that's drawn into the carb, it will also be drawn through the shaft/bushing area. Nothing is going to go out of that gap, but rather in through it. You might have a drip after the engine is shut off and some fuel vapor condenses on the shaft and runs out the gap. Just my thought.
Duane
Duane
Drifting
Joined: May 2012
Posts: 1,353
Likes: 44
From: Calgary Alberta
If the carb is leaking gas, chances are it's coming from either the gasket between the airhorn and fuel bowl or, more likely, from the fuel line at the inlet. Gas would easily run to the area in your picture in either situation, because that's just a low point where fluids can accumulate (though I would expect it to accumulate more so on the passenger side).
Check the tightness of your fuel line at the inlet before doing anything, unless you already have. I'd avoid driving the thing until you sort it out.
Check the tightness of your fuel line at the inlet before doing anything, unless you already have. I'd avoid driving the thing until you sort it out.
Last edited by Brcmpbl; Mar 31, 2016 at 11:12 PM.
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Last edited by 530planeman; Apr 2, 2016 at 10:19 AM.