Good article Dan..
I have been running unleaded in my 66 Chevy II since I bought it back in 1971 when it had 19,800 miles on it. The car has 70,000 on it now with never a problem. It is a 194 straight six, 3 on the tree 2 dr. sedan. I also have a 64 Dart GT with a 273 V8 that I have put 6,000...