How much horsepower can a 428 Cobra Jet handle?
The Cobra Jet was a high-performance version of Ford’s 428 big-block and it was so laughably underrated that even the NHRA ignored Ford’s numbers. The engine was rated by Ford at 335 horsepower, but the NHRA gave it a 390-horsepower rating.
How much horsepower did a 1969 428 Cobra Jet have?
| Year | 1969 “R” Code (Cobra Jet RA) |
|---|---|
| bbl | 4 |
| Cylinders | 8 |
| Power (hp) | 335 hp @ 5,400 RPM |
| Torque (lb/ft) | 440 hp @ 3,400 RPM |
How much is a 428 Super Cobra Jet engine worth?
In the realm of Mach 1 cars, the one that collectors want is fitted with the 428 cubic-inch Cobra Jet engine. This example looks nearly perfect and is on eBay with a Buy It Now price of $59,900. That seems a pretty good price for a clean 1969 Ford Mustang Mach 1 with the most desirable of engines under the hood.
How much horsepower does a 427 Cobra Jet have?
335 horsepower
Adapted from the 427-cubic-inch (7.0-liter) V8 that propelled Ford’s Le Mans-winning GT40s, the Cobra Jet engine generated 335 horsepower, 440 lb-ft of torque, and was capable of propelling a Mustang through a quarter-mile in less than 14 seconds.
How much horsepower does a Boss 429 have?
375 HP
The Boss 429 engine used a single Holley four-barrel carburetor rated at 735 CFM mounted on an aluminum intake manifold. All these cars had 4-Speed Manual Transmissions and the Boss was rated very conservatively at 375 HP while actual output was believed to be well over 500 horsepower.
How much horsepower does a 428?
The factory power rating seemed to be a typo. Without a wink or a nod, Ford claimed the new CJ made 335 hp at 5,600 rpm and 445 lb-ft of torque at 3,400 rpm….Testing 4-2-8… How Much Horsepower Does the Ford 428 Cobra Jet Really Make?
| RPM | Torque (lb-ft) | HP |
|---|---|---|
| 5,000 | 376.5 | 358.9 |
