When the buyer selected the CJ option, the GT option became mandatory. Get The Top 50 Fastest Muscle Cars chart. The facts became clear once 428 CJ Mustangs and Fairlanes started running high 13s at the strip with zero preparation. Whereas Shelby had scrapped plans to redesign the 428s intake manifold a notorious choke point Tasca came up with a different idea. 1968 through 1970 428CJ blocks were beefed up between the bores and main webbing areas for anticipated higher horsepower output. What makes the 428 Super Cobra Jet engine so super? Pictures of some of these parts can be found in the component identification section of this web site. . In the 60s-70s, Ford put the Cobra Jet and Super Cobra Jet engines in Mustangs, Thunderbirds, and of course, Cobras. That is, the performance motors were either a CJ or a SCJ. There have been eight new models since then, culminating in the 50th Anniversary Cobra Jets for 2018. I am a 351W guy. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. Either way, you can be guaranteed it will be a monster at the drag strip and not be lacking for power. If you don't put the 428 in it you should get a 460 instead of the 429 for even more power. 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. Yet, Ford did not use any of the second generation big blocks in pony cars like the Mustang at first. Every 1969 Mustang Mach 1 (72,458) came in the SportsRoof fastback body style, equipped with a V-8 engine ranging from a 351W 2V to the 428 CID Cobra Jet 4V with or without Ram Air. (REGISTERED USERS DO NOT SEE THIS POST/AD! Four decades after its initial release, and 34 years after it was discontinued, Ford brought back the Cobra Jet badge in 2008. A whole host of high-performance parts was available for the 396 from the Corvette larder, which further complicated matters in Dearborn. Some original SCJ blocks were stamped "super" on the front; if present, this marking was likely there to tell the original engine assemblers to use SCJ internals when building the engine (here's an example of such a stamping courtesy of Randy Pollock). SCJs seem to use the C6AE-E rod most frequently, though again I've seen written reference to a C9ZE-A rod that I haven't been able to confirm was ever actually factory installed. The value is markedly different (about double). The 428 also got a single snorkel air cleaner and had a Holley 735 cfm carburetor. The name is perhaps one of Ford's most enduring performance legacies. The Mustang had grown bigger than ever, with a weight of nearly two tons. 1999 - 2022 Scott A. Hollenbeck. From 2013-2016, they used the 5.0 L Coyote engine as their powerplant. The Ford engineers kept the KR-8 so they could break it down and discover what made it so powerful. This became a private war between the automakers. Yet, while they were considered big blocks, the first generation of the Ford FE never had displacements of larger than 400 cid. Ford quickly caught the vision, and before the drag-ready Mustang returned to Tasca Ford, Ford Engineers removed it from the vehicle so they could reverse engineer it for mass production. I want to register an account for free right now! 1968 was the only second year of the Cougar, which only received minor revisions, including side marker lights and front shoulder belts. 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. Nineteen-seventy was the last year for the venerable FE-series big-block engine in the Mustang and Cougar. The 390 Mustang was getting abused at the drag strip by Chevrolets new 396 powered Camaro. With the elimination of the 428 Ford Cobra Jets after 1970, this left only the measly, low compression 351 Cobra Jet as the only one remaining for 1972-74. Yikes, that's huge! The 427 boasted 390 hp, a full 55 more than you-know-who. The full-page print ad for the 1969 Mercury Cyclone CJ stated it best: Cyclone CJthe high-performance fastback with the bold build and sports car spirit. Ford released new versions of the Cobra Jet Mustang in 2010, 2012, 2013, 2014, 2016, and 2018, making 50 annually. In 1963, the 427 saw service in a series of lightweight Galaxies, which had seen some racing success despite their weight. For Ford, this meant the venerable FE-series big-blocks, which had seen successful service in the Thunderbird as well as other car lines. The World's largest non biased Shelby Cobra related site! As referenced earlier, the 390 was a 4.050 bore and a 3.781 crank. In the January 1969 issue of Motor Trend magazine, a 69 Cyclone CJ 428SCJ ran a 13.86-second quarter-mile pass at 101.7 miles per hour. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. Register now for free! The Mustang still used small blocks in their engines, with the 289 cid being the largest available. This marked the end of the original run of Ford Cobra Jet engines and vehicles. Ford, realizing the sin of allowing the last Cobra Jet production engine to be the lukewarm 351 Cleveland Cobra Jet, finally revived the badging in 2008. Although the 390 had been offered in the Mustang, the FE had seen incarnations of up to 428 ci. The difference in displacement between the two was achieved via stroke, with the 429 checking in at 3.590 . The W-code 427 and 428 CJ shared just about everything except main bearing caps and bore/stroke dimensions. This was remedied by the introduction of the all-new '67 Mustang. The 1975 MPC clearly notes that the 1969 and 1970 radiator core supports were serviced using two different part numbers (C9ZZ-16138-A and D0ZZ-16138-A); the report I have is that the 1970 support is shaped in such a way that the bracket doesnt fit and isnt needed. A lot of people try to pawn off a 390 as a 428. the blocks are nearly identical and the stroke is close. Two-bolt main block Between 345-360 horsepower 428 Super Cobra Jet Internal structure differences included Lemans type cap screw rods However, the original Mustang platform, as popular as it was, could not accept the larger engines Ford already had in its product lineup, because the engine compartment was simply too small. The engine engineering personnel who worked for me on the 428 program were Paul Lampela, Frank Gondoly, Bob Snider, and Matt Hecht. Compression was lowered from 10.7:1 to 9.0:1, and in 1971 it actually made 5 horsepower less than the standard 351 at 280 horsepower. They did have a few XR7-G Cougars built that came with the first factory retractable sunroof though! The 428 SCJ was first introduced during the 1969 model year. It had four bolt mains, aluminum hemi-style heads and looked like no other engine. The 429 is the same block as the modern 460 sold in Motorsport catalogs. The connecting rod journal diameter measures between 2.4380 and 2.4388 inches. A special option available for 1969 in the Cobra Jet Mustang included a 428 with internal modifications. http://www.mercurycougar.net/gallery/showgallery.php/cat/500/ppuser/5281/perpage/12/sort/1, http://www.428cobrajet.com/facts.html#five. If the 69 428 is the real deal buy it. During the 1970 model year, "DETROIT LOCKER DIFFERENTIAL" appears on the invoice of vehicles that came with a factory Detroit Locker. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. In fact, the 428 was listed at 335 hp, the same as the 390. Now lets take a look at the various Ford Cobra Jet engines. Although the Mustang had been completely redone, little changed in the CJ engine for 1969, and it was still available in any type of Mustang. It came in T-birds and full size Fords in the late 60's and early 70's. This summary comparison of major 428 engine components was prepared by Bill Barr, Principal Engineer for the 428 Cobra Jet engine development program at Ford Motor Company. Increased Ebay value in a few strokes of a hammer! While the 1970 Ford Mustang Mach 1 came in eighth place on this list, it came in 21st place in the fastest muscle cars of 1970 rankings. 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. Super Cobra Jet harmonic balancer counter weight, 1 I want to register an account for free right now! However, in true Cobra Jet fashion, Ford underestimated the horsepower from the factory. George Anderson of Gessford Machine was kind enough to point me to a page from Ford's "Muscle Parts Description and Interchange" book, a supplement to the original "Muscle Parts" catalog that was published in July 1970, that clearly states that "all 428 engines use "dished" cast aluminum pistons with two sets of eyebrows cast so they can be used in right or left bank". The Cougar was available in either standard or XR-7 trim, with option packages including the GT and the performance-trim Eliminator. The main bearing journal diameter measures between 2.7484 and 2.7492 inches. p.s. I spoke to Rob Celedon the other day and his SCJ car has the same stamp on the block. They were almost identical to the standard Cobra Jets, but had stronger internals. At the '68 NHRA Winternationals in Pomona, California, Ford entered a number of specially warmed-up '68 Cobra Jet Mustangs. stronger. The 429/460 is going to be the cheaper of the engines to build. I'm not sure about how well a 429/460 fits in '67-70's though. The basic casting is the same, but a 428 had a 4.13 inch bore and the 390 has a 4.05 bore stock. The 1975 MPC also excludes 1970 from the list of application years for the C9ZZ-13826-A bracket -its only listed for the 1969 Mustang equipped with a 428-4V or Boss 302 engine, but it was also positively used on the 1969 Boss 429 as well! However, Ford ran into a problem. The big difference was the price (at $622, the 427 cost $188 more than the $434 428 CJ), transmission availability (the 427 was only teamed with the C6 automatic), carburetors (the 427's single Holley four-barrel rated 600 cfm, 135 less than the 428 CJ), and rated output. The largest was the 390 cid, which Ford first brought out in 1961. The Cyclone was now part of the Montego family of vehicles. 8th Place: 1970 Ford Mustang Mach 1 428CJ, 3rd Place: 1969 Ford Mustang Mach 1 428CJ, 2nd Place: 1968 Ford Mustang 428 Cobra Jet, 1st Place: 1968 Mercury Cougar XR7-GT 428CJ, more significant than 335 horsepower advertised ratings, Tasca Ford pioneered a high revving 428 engine, Top 10 Craziest Muscle Car Paint Colors from the Factory, Top 50 Fastest Classic Muscle Cars (1962-1973). A police interceptor may have an "A". Two were offered for 428 Super Cobra Jet before and after that date. Super Cobra Jet Connecting Rod 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 http://www.clubcobra.com/forums/fe-talk/10782-another-dumb-question-428cj-vs-428scj-whats-difference.html, https://www.hemmings.com/magazine/hmn/2009/04/Ford-429CJ-and-429SCJ-V-8/1796187.html. All FE dampers are neutrally balanced, so all can be interchanged between motors if you understand the pulley requirements. The GT500 wasnt quite as fast as the Camaros, though it was closer than the 390 powered Mustangs. Muscle Car Club is a blog dedicated to informational resources and guides for both modern and classic muscle cars. But times were changing, and sales were soft for performance cars across the board, and not just at Ford. : For registered members this ad will NOT show, Cobra Make, Engine: Unique Motorcars (sold). The Model T has long been considered one of the greatest manufacturing feats in modern history, and Fords flathead engine transformed V8s for the future. Cast iron intake manifold identical to the aluminum one on the police interceptor. Super Cobra Jet harmonic balancer counter weight, 4 In 1964, the 427 was shoehorned into the Fairlane, Ford's midsized entry, between the Galaxie on the big end and the Falcon on the small. As a result, the 428 was less rev-happy but it gained a low-end torque punch that was absent in the 427. Cast iron exhaust manifolds. All 428's had 2-bolt mains also. If so, please consider sharing a picture. There were three original Cobra Jets, the 351, 428, and 429. A date code correct 69 428 block could be worth a decent buck. Paul: Sorry to disagree. I've heard this could be a Cobra Jet but I've also heard this might not be the case. Though almost identical in displacement, Ford based the new 429 Cobra and Super Cobra Jets on the 385 series. Chevrolet wasn't Ford's only problem in the performance department. 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). i am putting the motor in a FORD 1972 short bed single cab pickup. Super Cobra Jet harmonic balancer Ford got down to business and began by beefing up the bottom of the 428 block casting, which included heavier main bearing caps. Cobra Make, Engine: Posts: 717. 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. JavaScript is disabled. 22 Though 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. The SCJ had beefier rods and an oil cooler. Educate me! The Ford 428 Super Cobra Jet was only available in the 1969 and 1970 model years. Basically, a 428 is just a stroked 390, and tuned for massive torque over horsepower. These had the larger 600 cfm 4100. Required fields are marked *. From 2008-2012, Ford used a supercharged version of their 5.4 L Modular V8. Because of the long throw, the 428 was more of a low rpm / torque motor were as the 427 was a high rpm race motor. 428 Cobra Jet Standard was 2.09 inch intake and 1.66 inch exhaust valves. The 396 featured advanced-design, canted-valve cylinder heads that flowed like crazy and earned the name "porcupine" because of their splayed-valve arrangement. However, the Ford production database describes the car as having an S-code 3.50:1 traction-lok rear. Carroll Shelby, famous for his GT350 version of the Mustang as well as for the Cobra, became involved when he decided to produce a big-block version of his Shelby Mustang GT series. The A blocks were the earlier type. Some of the other unique facts about the 428 are that it's externally balanced and due to the different piston and connecting rod combos used by the factory. Ford really got it right with the 1968 428 Cobra Jet (CJ). Last month, we brought you Part 1 of 3 on how to detail a 428 Cobra Jet engine to concourse level, with Marcus Anghel of . The stage was set, and war was waged in earnest. These are a few ways you can tell. It was available in the new Camaro in 325-, 350-, and 375hp forms (a 425hp version had been available in the Corvette for '65). The 428 Cobra Jet powered some of the fastest Ford Muscle Cars from 1968 to 1970, over nine Ford and Mercury models. Not too common, maybe a total production of 15,000. Note that the explanation says that three other cars were built like this at San Jose! But there was one thing about the 428 CJ that left everyone puzzled. The World's largest Known as the Thunderbolt, this Fairlane saw very limited production and was built as a factory lightweight race car. Because of this, '69 Mustang GTs are collectors' favorites. By 1975, the Ford Cobra Jet had ceased to exist in production. While the engine was widely praised in car magazines for its performance, its large weight (720 lbs) was often chastised. Untamed European elegance indeed. Lots of people have different opinions about the "Drag Pack" option described above, what it included, and which cars it was available for. A police interceptor may have an "A". It is remembered by those who love the Ford Blue Oval, and feared by others who would challenge the cars bearing the Cobra Jet name. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. Beyond that, the so-called Thunderbird 428 offered in fullsize Fords and T-birds made 345 hp, 10 more than the CJ despite its milder cam, low-rise iron intake, 446-cfm Ford 4300 series four-barrel carburetor, and clunky log-style exhaust manifolds. The 1968 Mustang received several styling updates, including side scoops, steering wheel, side marker lights, and gas cap. It was very similar to the standard 351 Cleveland engine, but with a few key differences. 2) Cast iron PI (Police Interceptor) intake manifold. The valves are bigger but the real improvement is the exhaust port which is both wider internally and straighter plus higher exit point in the casting. A true Cobra Jet block will have a C cast in the back the block where the bell housing bolts up. The '69-'70 Mustangs were nearly identical cars featuring minor cosmetic changes. Instead, "Tasca Ford"the second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. If I can, I will try to get a picture of the "SUPER" stamp to show. In 1968, Ford released the first versions of their now famed V8 Cobra Jet engines. Its outstanding showing, including a first place finish, and immediate fan reaction prompted Ford to put the engine in production Mustangs. Bought a new 69 Mach 1 and ran at the strip w best et 12.72. So there was an overlapping period of perhaps a year from say June 1967 until June 1968 when both types were being made and used, apparently for both CJ and non - CJ applications.
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