Loading

How much horsepower does a 1969 428 have?


The 1969 428 engine is a legendary powerplant that has earned its place in automotive history. Known for its robust performance and reliability, this engine was a popular choice for muscle cars of the era. In this article, we’ll explore the horsepower ratings of the 1969 428 engine and what made it such a powerhouse.


Overview of the 1969 428 Engine


The 428 engine was produced by Ford and was part of the FE engine family. It was available in several configurations, including the standard 428 and the high-performance 428 Cobra Jet. These engines were commonly found in iconic vehicles such as the Ford Mustang, Ford Torino, and Mercury Cougar.


Horsepower Ratings


The horsepower of the 1969 428 engine varied depending on the specific version:



  • Standard 428: The standard version of the 428 engine produced approximately 345 horsepower. This version was designed for smooth performance and reliability, making it a great choice for everyday driving.

  • 428 Cobra Jet: The high-performance Cobra Jet version of the 428 engine was rated at 335 horsepower by Ford. However, this rating was often considered conservative, as real-world testing and enthusiasts frequently reported outputs closer to 400 horsepower. The Cobra Jet featured upgrades such as larger valves, a performance camshaft, and a functional Ram Air induction system, which significantly boosted its power.

  • 428 Super Cobra Jet: An even more potent version, the 428 Super Cobra Jet, was available with the Drag Pack option. This engine was designed for racing and featured additional enhancements, such as a reinforced bottom end and an oil cooler. It was also rated at 335 horsepower officially, but like the Cobra Jet, its actual output was likely much higher.


Why the 428 Engine Stands Out


The 1969 428 engine remains a favorite among muscle car enthusiasts for several reasons:



  • Impressive Performance: The 428 engine delivered exceptional power and torque, making it a formidable choice for both street and track use.

  • Durability: Built with high-quality materials and engineering, the 428 was known for its reliability and ability to handle high-performance demands.

  • Iconic Status: As the heart of some of the most iconic muscle cars of the 1960s, the 428 engine has a lasting legacy in automotive culture.


Conclusion


The 1969 428 engine, particularly in its Cobra Jet and Super Cobra Jet configurations, was a powerhouse that defined an era of American muscle cars. With horsepower ratings that often exceeded official figures, it remains a sought-after engine for collectors and enthusiasts alike. Whether you’re restoring a classic or simply appreciating automotive history, the 428 is a testament to Ford’s engineering prowess during the golden age of muscle cars.


Frequently Asked Questions

What was the fastest Pontiac in 1969?


The 1969 Pontiac GTO was very fast and proved to be a great option at the drag strip capable of running from 0 to 60 mph. In 5.8 seconds. While able to achieve the standing quarter mile in 14.



How much horsepower does a 1969 Pontiac 428 have?


The 428's extra displacement brought extra power, with 360- and 376-hp variants in 1967 supplanted by 375- and 390-hp variants for 1968 and '69.



What's the difference between a 428 Cobra Jet and a 428 super Cobra Jet?


The basic strength of the Super Cobra Jet engine is in a more durable reciprocating assembly (crank, rods, pistons, wrist pins, flywheel/flexplate, and harmonic balancer) that was designed to withstand the higher RPM requirements of drag racing.



How much hp does a 1969 427 have?


Of course, the 427 was the most brutish Corvette of all. For 1969 it was offered with 390 and 400 horsepower, plus a 435-horsepower version for less civilized types. The last produced its peak power at 5,800 rpm, and the stump-pulling 460 pound-feet of torque hit its stride at 4,000 rpm.



What is the true horsepower of a 429 Cobra Jet?


With a 4.36-inch bore and shorter 3.59-inch stroke than the 460, the 429-cu-in Cobra Jet promised at least 370 hp thanks to its snappy 11.3:1 compression ratio, and it became the go-to power plant for the late-'60s Fords.



How much horsepower can you get out of a 428 engine?


22Though some claim the 428 CJ actually made in excess of 400 hp, we observed 365.1 hp at 4,800 rpm, almost 10 percent more than advertised. After some break-in miles, we'd likely see 375 hp and, with headers, yes, very likely 400 ponies.



How much horsepower does a 1969 428 Super Cobra Jet have?


The third high-power option was the more iconic Cobra Jet. Boasting a 428-cubic-inch (7.0-liter) displacement, it delivered 335 horsepower thanks to a four-barrel carburetor.



What is the difference between a 428 and a 429?


The 429 was Ford's state-of-the-art replacement for the FE-based 428, a design that had been around since 1958. Debuting as a passenger-car engine in '68, the 429 had a skirtless block, like the small-block 289s and 302s, and canted-valve heads, similar to the 351 Cleveland, for improved breathing.



What is the actual hp of a 428 Cobra Jet?


Output was around 410 horsepower, but Ford rated it at 335 horsepower in an effort to calm insurance agents and con dragstrip rules-makers.



How much horsepower does a 428 stock have?


The 428's were rated for about 335hp. If you dyno a near factory 428 today, you'll see about 375-385hp. The 427's were rated for 425 hp, but I'd say they were a little under-rated as well. so 428 less power more torque and a little less temperamental , 427 more hp at the top end .


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.