Mopar Engine Specification Sheet

By Dave Ashton

Back in the golden age of muscle cars, enthusiasts of the breed were just as interested in the minute specifications of an engine as they are today. In those purely analog days, there wasn’t the worry of engine management systems or fancy electrics. The focus was more on the largest displacement engine and the best fuel gobbling carburetor.

In today’s article, we present to you a double-page engine specification spread from a vintage copy of Motor Trend magazine. The image below shows the different engine types for the Plymouth Barracuda, GTX, Sport Fury GT, Roadrunner, and Duster 340. For the Cuda, this includes the 340, 383, 440, 440 6-BBL, and the Hemi. For the GTX – the 440 6-BBL, and the 426 Hemi engines. For the Sport Furt GT the 440 and the 440 6-BBL, and for the Roadrunner the 383, 440 6-BBL, and 426 Hemi, and lastly the Duster 340 with the 340 engine.

As usual for the day, the horsepower ratings erred on the side of caution. For instance, the 426 Hemi is quoted as having 425Hp and 490lb. ft. of torque. With some tweaking and fettling, these values can be easily increased.

 

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