I haven't done anything of note to the '66 yet, but here's a little documentation on my LT1
http://youtu.be/2WKq61_O49w
I'm not sure what I want to do with my C10, a 350 that looks like a 283, or an LS based motor. It almost got my LT1, but when my wagon's 307's head gasket started leaking, that was that.