I'm working on my Grandpa's 1949 3100 and need to replace a spring on the original Carter YF carb. It's some kind of return spring toward the top of the bowl that affects the choke. We were having problems with the truck being unable to hold an idle and identified this spring as the culprit. However, I've been looking at all the online vendors and cannot seem to find a replacement spring. Attached is the photo of the spring I'm referring to.
