Quote:

but surges at stop lights



This usually means there is a lean mixture condition. Check for vacuum leaks around the carb mounts and all the vacuum hoses.

(Also, surging at idle can also be caused by a faulty knock sensor - in your car.)

And congrats on your nice purchase. You are correct in saying that this web site is a repository of great knowledge. There are several really sharp folks who have posted much valuable info in various threads.