It's a 69 model, normally aspirated, 200 hp, no speed mods. I can get
175 if I'm alone on board, 7000 ft and run "best power" at 75% and
about 100 ROP. The 69-71 models were the fastest. Earlier ones had
180 hp, and starting in 1972 they made them bigger but used the same
200 hp engine.