3. 1970 Pontiac GTO 455
Pontiac’s iconic GTO nameplate reached a zenith in 1970 when the Tri-Power era gave way to a ferocious 455-ci “Ram Air III” and “Ram Air IV” V8. The base Ram Air III churned out 360 hp and 500 lb-ft of torque, while the optional Ram Air IV pumped power to a quoted 370 hp—though many believe actual output was higher.
The ram-air induction system funneled cold air directly into the quad-barrel carburetor, enhancing cylinder-fill at high speeds. Behind its sleek hood bulge, the GTO’s rugged 455 engine vaulted drivers to 60 mph in around 6 seconds, all while Pontiac’s tri-color badges flaunted an aura of racetrack readiness.