Mr. McRae,
Welcome to SH. I returned to this hobby of my youth a few years back, and found a lot of knowledgeable fellows over here. These guys are always willing to share their experience.
You mentioned 1/2A as a kid.
Not to take away from StuntHangar, but just to invite you to re-live Cox glory over on CoxEngineForum.com (aka CEF). Those guys love to talk about anything except for politics, and is a treasure box full of neat things small. Topics are all over the board to include trains, slotcars, motorcycles...
Also, RCGroups (aka RCG) has a mildly active Control Line and 1/2A forum. The 1/2A one is more RC-oriented than CL, but there are small engine hotrodders over there.
Enjoy childhood #2!
944_Jim on SH, RCG, and CEF
Jim in NE MS