How much power can a 428 Cobra Jet make?
How much power can a 428 Cobra Jet make?
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 |
How much horsepower does a 1969 428 Cobra Jet have?
Engine Basics
| Year | 1969 “Q” Code (Cobra Jet) |
|---|---|
| Power (hp) | 335 hp @ 5,400 RPM |
| Torque (lb/ft) | 440 hp @ 3,400 RPM |
| Compression | 10.6:1 |
| Displacement | 428 cu / 7.0 liters |
How can I tell if my Cobra Jet is a 428?
Look at the cylinder’s bolt pattern. The 428 Cobra Jet engine has a unique, 16-bolt pattern exhaust face. It will also have a chamber of 73 to 76 cc that was rough cast, making it less accurate than if it had been machined.
Is 428 Cobra Jet A big block?
The Ford 428 Big Block V8 Birthed The Cobra Jet And Changed Mustang Muscle Cars Forever. Ford’s original big block V8s dated all the way back to 1958 when the FE family of engines debuted with the original 332 cubic inch design (accompanied by a 352 cubic inch option as well).
How do you tell if a 429 is a Cobra Jet?
How to Identify a 429 Ford Block
- Count the number of bolts on the valve cover. According to Fordification, it should have seven bolts.
- Locate the engine ID tag. According to Car Craft Magazine, you should see it attached to the intake manifold or the ignition coil on the front of the engine if it remains present.
What is the difference between a Ford 390 and a 428?
As referenced earlier, the 390 was a 4.050 bore and a 3.781 crank. The 428 was a 4.130 bore and a 3.984 crank. Ford 428s had a different water jacket core which can often be identified by the “428” cast in the bottom of the inner water jacket right under the center freeze plug.
Why was the 427 Cammer banned?
Because of strong protests from the Chrysler camp, NASCAR threatened significant weight handicaps on Cammer-powered Galaxies, and the engine was eventually banned outright from competition.
How much is a 429 Cobra Jet motor worth?
If it’s a Super Cobra Jet (4 bolt mains, etc), it’s easily worth significantly more than $10K. A regular CJ 429 is tough to tell.
Will 428 heads fit a 390?
They have 16 bolt holes for the exhaust manifolds and air pump holes machined in the exhaust ports. Yes, they will bolt to a 390 block.
Who created the first 428 Cobra Jet?
Bob Tasca of Tasca Ford in Rhode Island is credited with creating the engine recipe by mixing high-flowing 427 cylinder heads with the stout bottom-end of a FE 428 to create “Cobra Jet”. Ford immediately saw the performance potential and built 50 lightweight 428 CJ Mustangs for drag racing to showcase its new powerhouse.
How much horsepower does a Ford Cobra have?
The engine produces 390 horsepower at 6,000 rpm and 390 foot-pounds of torque at 3,500 rpm. The Cobra engine is built on a cast-iron block for strength. Other reinforcements include a forged-steel crankshaft, forged “H-beam” connecting rods and forged pistons .
What is a Cobra Jet Mustang?
The Cobra Jet is a factory-fresh way to run in National Hot Rod Association Stock and Super Stock races, as well as the International Hot Rod Association , National Mustang Racers Association, and National Muscle Car Association. Under the hood is a 5.0-liter V8 with a Whipple supercharger bolted on, and interestingly,…