Here's an example of a compression fitting. It doesn't seal on the threads, but with a ferrule inside the nut. The ferrule is the second item from the left in the pic. As far as whether there's a tubing section between the filter and carb, I don't know, but in order to use that type of fitting on the carb, the filter would need a female thread nut and a tubing stub that's shaped like the ferrule on the end.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.
