Carb leaks - Help!!!
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Freshman User
Joined: Jan 2005
Posts: 39
Likes: 0
From: Lake Oswego, Oregon
Carb leaks - Help!!!
Engine is a 302. Edelbrock air gap manifold. Holley 650 double pumper, manual choke/secondaries. Installed head shield, rejetted (down), new gaskets, pump etc.
The issue is that the carb is leaking fuel out the booster tubes into the venturies when the engine is at operating temperature and shut off. This is creating a flooding problem. This only goes away when the floats are completly cranked down (?).
Any ideas out there what might be causing this? The floats are currently at the recommended setting.
Thanks
The issue is that the carb is leaking fuel out the booster tubes into the venturies when the engine is at operating temperature and shut off. This is creating a flooding problem. This only goes away when the floats are completly cranked down (?).
Any ideas out there what might be causing this? The floats are currently at the recommended setting.
Thanks
Moderator
Joined: Dec 2001
Posts: 22,436
Likes: 17
From: Louisville,Ky.
Have you removed the needle and seats to see if there is any debris in them? Just a little piece will keep them from seating off properly. Idling, the fuel level should be just below the sight plug.
Post Fiend
Joined: Oct 2003
Posts: 9,176
Likes: 4
From: Western Central NV
I have a Holley 650 Spreadbore on my wife's Dodge D250 360, 4sp. I had trouble a couple of times with flooding after I bought the carb new. I finally pulled both bowls and reset the floats down just a little, and checked the needle & seats reassembled and that seem to solve the problem. That was a year ago so since no trouble.
