Your combined experiences shared here have helped me alot in deciding what route to take in this dilemma. I'm thinking about doing what our city buses do...run on natural gas!
No, just kidding, although the buses actually do that here. After doing alot of research on the internet and talking with and hearing from good Airstream folks like you, the winner of the honor to be placed on my engine is the Edelbrock (EDL) #1906, electric choke Quadrajet carburetor (new). It will be replacing what should be the old Rochester Quadrajet hot air choke model. It's direct replacement would be the EDL 1903 hot air choke. Peter and Sean, you guys are right with that part number...there are so many, but maybe 3 or 4 for our applications due to year and size of engine. It's good that they're 50 state legal too!
Brett, I honestly appreciate your advice on the mechanics, as I am a suspicious sort when it comes to this type of thing since I am not well versed on it. That's why I do this research alot before committing so that at least I feel like an informed ignorant. For the record, I must admit that my baby has had these leaks since I got her. My wonderful neighbors pointed that out to me after I had her parked on the street for three days (the limit). That starter has given me problems before, especially when she's hot, and I accidentally turn off the ignition for gassing up or a break. She won't start again even with the battery booster until she cools down. Luckily I had TV and a bed to rest on.
Anyway, these mechanics seem to be catching what I've already been told by the Chevy dealer a while back when they did my vehicle inspection. It seems that this rig didn't have much preventive maintenance done on it, although the engine and tranny are strong (I hope)
These guys are highly regarded and recommended in this area.
I think that I'm suffering from something called Bauxitis, penned by someone on this site who has succumed to it as well, and knows why we do the things we do when it comes to these classics.
Thank$ again everyone!