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Old 03-22-2004, 09:03 AM
Seattle Sam Seattle Sam is offline
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Default Re: Fast idle

Bill,

My guess is, the high level of detergents in the avgas removed all the varnish from inside your carb, and something inside has more clearance than it should. I would recommend you just buy the Quadrajet book and a rebuild kit at your local NAPA store, and rebuild it yourself. But with that high mileage, you might have issues you can't fix with a rebuild kit, such as worn throttle plate bushings.

Where are you in WA? There is a good shop in Kirkland (Totem Lake) that can rebuild your original, no agony involved. They have worked on Denis' Z/28 carbs, Alex really knows what he's doing..
Carburetor and Fuel Injection Connection, http://www.carbconn.com/

Good Luck!
-Sam
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