The 454 carried on in GM trucks for three decades ... Ford rated the 1969 Boss 429 Mustang at 375 horsepower and 410 lb-ft of torque, but the 429 had substantially more to offer.

Cars like the Chevy Chevelle SS 454 and GTO took alot of the muscle ... V-8 429 Displacement 429.2 cu-in Output 375 hp The ...

During the classic era of muscle cars, there was also a horsepower war, ultimately won by the 1970 Chevrolet Chevelle SS 454, which was almost as powerful as the Mustang that came 55 years later.