Ford 427 vs 428 vs 429: Engine Differences Explained
Here’s a breakdown of the information about the ford 428 Cobra Jet engine from the provided text:
Ford 428 Cobra Jet – Key Points
* Performance Focus: Designed for racing, specifically NHRA drag racing, and more performance-oriented than the standard 428, though not as extreme as the 427.
* First Introduced: 1968
* Design elements: borrowed components from other Ford engines:
* 427’s Low Riser heads
* 390 Police Interceptor’s intake manifold
* Different main bearing webbing in the block
* Popularity: Became a popular muscle car engine, notably in the 1968 shelby GT500 and other Ford muscle cars (especially 1968-1970 Mustangs). It was in the GT500 as early as 1967 as the 428 Police Interceptor package.
* Power Rating: Officially rated at 335 horsepower at 5200 RPM and 440 pound-feet of torque at 3400 RPM. however, power figures varied in advertising (e.g., 1969 Shelby GT500 advertised 320 horsepower at 3200 RPM). There’s debate whether the lower figures were a typo or purposeful underrating.
* Characteristics: Installed in fast, lightweight sports coupes, offering a strong performance option.