The Stovebolt Site Forums The Shop Area Engine Shop Rochester B fuel line inlet leak

1. The original picture is a donor carburetor
2. The most recent picture is how the carburetor is plumbed today.
3. When I start the truck there is no sign of a leak, but once I drive it a couple miles the leak is aparent.
4.When the adapter nut is snugged up to the carburetor it "bottoms" out. This is to say, I don't believe it can be tightened any further without stripping.
5. I can't exactly see any leak, just gasoline on the upper rim of the air horn. If I run for long enough it will run down the bowl. I originally thought this was a leak between the two halves, but I now think it might be coming from the adapter fitting.

There is no crack at the carb inlet nozzle.

Picture without the fitting is my donor.

Picture with the fitting is the carburetor installed on the truck. Shown on the bench.