This 1966 Pontiac GTO convertible carries PHS documentation tracing it back to Moody Pontiac in Fort Lauderdale, Florida, and it left the factory with the 389 four-barrel, power steering, power brakes and factory air conditioning. 1966 was the year the GTO stopped being an option package and became a model in its own right, and buyers responded by making it the best-selling muscle car in America. The convertible was always the scarcer half of that story. Read on for what separates a documented survivor from the clones.
