I had that same conversation and I am very happy with the Carter.  One day I hope to make a lamp out of my old Marvel carb.  Here's a picture of my modified throttle linkage.     I'd be curious to know how quickly (if at all) an engine loses it's prime after it's been run.  I let my car sit all winter and I never re-prime the lines before the spring startup.  Of course, before my 1st start after rebuild, I primed my lines at least 4 times because I wanted to be certain there was oil in