I have the option to purchase either one of them. The 428SCJ was externally balanced with a counter weight behind a different harmonic balancer than the 428CJ. While 1299 may seem like a lot( compared to the lightweight Galaxies, Thunderbolts, 427 Fairlanes and Boss 429's) it is a small fraction of the numbers . A forum community dedicated to Mercury Cougar owners and enthusiasts. So the question remains, how much horsepower does a stock 428 CJ really deliver? This became a private war between the automakers. 3) An oil cooler Cobra Jet Mustang production continued into 1970. Holley 735 CFM 4V (780 CFM modified with FT (Ford Truck) booster nozzles for improved atomization and emissions), 1.75" x 1.75" primary and secondary bores. You can use the 428 crank in the 390 block and will end up with 410 cubic inches (Ford actually had a 410 for a couple years). Also, the stroke on a 428 should be 3.98. Yet, while they were considered big blocks, the first generation of the Ford FE never had displacements of larger than 400 cid. However, there have been multiple anniversary Ford Cobra Jets that have made sub-8 second quarter mile passes, showing there is serious room for modding. Then there was the 429 Cobra Jet (CJ). From 2008-2012, Ford used a supercharged version of their 5.4 L Modular V8. Cobra Make, Engine: Previous ERA owner on break, Just a note on the LeMans rods. Over the years, Ford has produced some incredibly iconic cars and engines. In fact, the 428 was listed at 335 hp, the same as the 390. The Cobra Jet (original 428) was put together from parts from the Ford parts bins, the rods and heads were used in earlier engines but aren't referred to by any other name than Cobra Jet since. Cast iron intake manifold identical to the aluminum one on the police interceptor. Ordering either of these axle ratio options commonly triggered a few other upgrades as well, including the 428 Super Cobra Jet engine, an external oil cooler mounted in front of the radiator, and relocation of the driver's side horn to the passenger side of the radiator core support to make room for the oil cooler. They did so to honor the 1968 Mustangs that won the NHRA Winternationals, and inaugurated the first Cobra Jet era. The A blocks were the earlier type. The Ford 428 Cobra Jet was the high-performance version of the 428 FE engine, quickly overtaking the low-revving 390 CID V-8 as the high-performance powerplant of choice. Restyled in 1970, the Mustang returned to single headlights that moved inside of the grille. what's a 428 cobra jet engine worth | Hot Rod Forum The Q-code Cobra Jet 428 was rated at a very conservative 335hp @ 5600rpm. Starting in February 1969 this complete package could be ordered as the "Drag Pack" option. Instead, "Tasca Ford"the second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. Two codes designated a CJ: the R code specified a Ram Air vehicle, while the Q code meant no Ram Air. Either way, you can be guaranteed it will be a monster at the drag strip and not be lacking for power. Certainly the 428 was a torque machine, and if you had enough carburetor for about 5,000 rpms, that was about as fast you needed to spin that engine anyway. The new 2008 Ford Cobra Jet Mustangs were built strictly for the drag strip, so they werent even given VINs. The heads ID themselves. Basically, a 428 is just a stroked 390, and tuned for massive torque over horsepower. Cast iron exhaust manifolds. This was remedied by the introduction of the all-new '67 Mustang. Ford had first introduced the public to the new Ford Cobra jet powered Mustangs at the 1968 NHRA Winternationals. Slightly smaller in bore but longer in stroke, the 428 ran smoothly in street trim, but it was still a very powerful engine, with mountains of torque. The 428 SCJ was first introduced during the 1969 model year. I've seen written reference to a C9AE-C rod also being used, but I've never been able to confirm an installation. It also had improved exhaust manifolds and a 735 CFM carb (a slightly modified 780 with different booster venruris). Although the '67 Mustang looked a lot like the original, it was, in fact, a completely new car with no interchangeable sheetmetal. Included in any Cobra Jet package was a choice of the durable Top Loader four-speed transmission or a heavy-duty C6 three-speed Cruise-O-Matic, and of course the famously sturdy 9-inch rearend. First, the 1969 price list: April 17, 1969 Mustang Drag Pack Option Description, June 1, 1970 Mustang Drag Pack Option Description, Cobra Jet Connecting Rod When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Is a 428 a cobra jet or is the cj a special 428 and is the block different between the cj and non cj. Sadly, Ford discontinued the 429 Cobra Jet Mustang and other CJ-powered cars halfway through 1971. Cobra Jet Crankshaft (engineering number detail) Is a "Q-code" a Cobra Jet and an "R-code" a Super Cobra Jet? | Mustang Pioneered in 1967 as a stripped-down Holman and Moody prepared drag-ready Mustang for Tasca Ford, the 428 short block with 427 heads christened the KR-8 flawlessly balanced proven race engineering with factory Ford parts. In third place is the 1969 Ford Mustang Mach 1. Super Cobra Jet Connecting Rod I have a 69 428 SCj hardtop, and the word SUPER is stamped (not cast) onto the flat surface behind the head on the right of the engine. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. There is only one high-performance damper of the latter era: The SCJ damper, which has a heavy inertia ring, much like the LeMans. ** I've also read reports of 428 CJ balancers with engineering numbers C8AE-AA and C8AE-AB, but I haven't personally seen one of these balancers -- have you? YES! Get exclusive muscle car content, giveaways, and a FREE Report on 10 of the most powerful muscle cars ever made right to your inboxabsolutely free! The largest was the 390 cid, which Ford first brought out in 1961. There was a special designation in the database to tell which cars had these installed". The 428CJ was available in nine Ford, Mercury, and Shelby muscle car models between 1968-1970. 1968 was the only second year of the Cougar, which only received minor revisions, including side marker lights and front shoulder belts.

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