1970 Pontiac GTO
The year 1970 was an important year for the Pontiac GTO because it brought some important changes to the lineup. First, the car received a design refresh with a new front end and rear bumper and several new options. But the biggest improvement was under the hood. Finally, the GTO and all other General Motors muscle cars received a massive big block after the company lifted the ban on engine size in intermediate cars.
The GTO got a mighty 455 big block while the standard 400 V8 remained as an entry level motor. The base model produced 350 HP, while the 400 Ram Air III delivered 360 HP. And while the 455 pumped out 360 HP, some car historians claim the real power figure was closer to 400 HP.
But the biggest advantage of the new motor was the torque at 500 lb-ft, which propelled the GTO to a respectable 0 to 60 mph and quarter mile times. Sales were declining, mostly due to the tough competition since 1970 was the prime year for muscle cars. Still, Pontiac managed to sell 40,000 examples, 3,797 of which were Judge models.