352-2v carb help
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Elder User
Joined: Apr 2008
Posts: 619
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From: Montpelier, VA
352-2v carb help
I recently bought a '66 F-100 that has been sitting for over 10 years. I put new oil in it, put on a new fuel pump and rebuilt the carb. Got it to start but it ran terrible. Pulled the plugs and they were all wet fouled like it was getting too much fuel. I removed the top of the carb and the bowl was empty. I filled it manually to see what would happen and it drained itself in 30 seconds or less. It's draining into the intake (no external leaks). I thought I was pretty careful rebuilding the carb, but I must have done something wrong. Any ideas?
Mark
Mark
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
I recently bought a '66 F-100 that has been sitting for over 10 years. I put new oil in it, put on a new fuel pump and rebuilt the carb. Got it to start but it ran terrible. Pulled the plugs and they were all wet fouled like it was getting too much fuel. I removed the top of the carb and the bowl was empty. I filled it manually to see what would happen and it drained itself in 30 seconds or less. It's draining into the intake (no external leaks). I thought I was pretty careful rebuilding the carb, but I must have done something wrong. Any ideas?
Mark
Mark
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
Power valve leaking. It has a diaprhagm, is shaped funny, and screws into the bottom of the float bowl area. Been a long time..
If memory works, it is under a cover attached to the bottom of the float bowl. If you can't find it, post again, and I'll go look in my stack of semi-used carb kits for a memory jogger.
tom
If memory works, it is under a cover attached to the bottom of the float bowl. If you can't find it, post again, and I'll go look in my stack of semi-used carb kits for a memory jogger.
tom
Thread Starter
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Elder User
Joined: Apr 2008
Posts: 619
Likes: 1
From: Montpelier, VA
You guys were right on the money. I took the carb off and took out the power valve today. I realized what it was almost immediately. I must have been in hurry when I reassembled the carb because I had left out the ring gasket that goes between the power valve and its seat. I'm embarrassed to admit it, but that's what it was. Put the ring gasket in and the truck fired right up and ran like a champ.
Thanks again,
Mark
Thanks again,
Mark
