In its hottest-tempered tuning, the 390 V8 fired 335 hp in the Mercury Comet Cyclone GT, a full 110 over the 289’s top performance of 225 hp. Surprisingly, overall weight only went up a mere 321 ...

Dave Zizzo Has Owned Many Musclecars Through The Years, But What He Really Wanted Since Childhood Was A '65 Mercury Comet Cyclone - Popular Hot ...