While we were at the swap meet, Dewey and I found out that the guy wasn't so far off with the 3 engines. Of 6 facts he quoted, 2 of them were correct. Rainey Fritz was passing out a Fiero Facts sheet and it documented that there were 3 different color engines.
There was a black one, a silver one, and a red one. The man in Cartersville said they were blue, black and red. Of course he was wrong on the 3 horsepower ratings he quoted to Dewey, but he did get 2 of the engine colors correct, those being black and red.
The 84 block was silver and 85 and up 4-cylinder blocks were black. All V6 engines had the red intake and valve covers.