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318 carb flooding and small mistake

L

laredo

New member
"I had the Carter AFB rebuilt

"I had the Carter AFB rebuilt on my 318. I couldn't get the boat started. Finally found the ballast resistor to be bad. Replaced it and it started right up. After shutting down for a couple of minutes and trying to start it again, it was flooded and by holding full throttle it started. Ran for about 8 to 10 minutes.
Didn't try to start it again for 2 days. When I did, it stated and rain for couple of seconds and died. Wouldn't start again and really flooded. I've never seen so much gas in a carb and running out on both sides. Plugs were soaked with gas.
I decided to pull the carb off. After I got it off, I dropped a 7/16 socket down the intake manifold and it rolled out of sight down one of the passages. I tried using a magnet to pull it back out, but no luck. Could it have rolled down on top of the valve?
I'm sure I need to get it out, and it looks like I will have to pull the head to get to it. That means pulling the exhaust manifold also.
Never done this. Any suggestions?
From reading other posts, seems that the Carter carb is famous for flooding. Wish I would have found this forum before paying for a rebuild.
Would a fuel regulator help to keep so much gas from getting to the carb?
Thanks for any help!"
 
Your rebuilder screwed up and

Your rebuilder screwed up and should fix it. One of the floats may be stuck or bent or a needle is not seating properly. I don't think the problem is too much fuel pressure but these old AFB carbs can't handle more than about 5 psi.

The socket may have dropped into one of the cylinders but it's unlikely. It's probably too big to squeeze past the valve. I would buy or borrow a borescope to find it and retrieve it.
 
"The rebuilder swears he had i

"The rebuilder swears he had it on a working engine before shipping it to me and says this carb CAN'T leak. So much for his knowledge of carbs!
After reading much on this forum, I have ordered an Edlebrock Marine 600 carb from JEGS.
I bought a stronger flexible magnet and was able to get the socket out of the intake manifold.
Thanks for your reply!"
 
"The Edelbrock works great, bu

"The Edelbrock works great, but you have to adapt it. Let me know when it gets there and I'll walk you through it.

Jeff"
 
"I installed the Edlebrock car

"I installed the Edlebrock carb today and the old 318 fired right up! I had to buy a new flame arrestor. After drilling and tapping for the PCV hose, which was very easy, the rest just bolted up. Sure is nice to have the boat running again. Thanks for the help!!"
 
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