The 428 uses a crank with a 3.98 inch stroke and a 390 has a 3.78 inch crank. The 428's and 429's most associated with Cougars are Cobra Jets. As referenced earlier, the 390 was a 4.050 bore and a 3.781 crank. Very few were ordered because of the popularity of the new Mach 1 package. Sold it, big mistake. Block difference between a 428 and a 428 Cobra Jet - The FORDification All 428's had 2-bolt mains also. There is no word on when the next Ford Cobra Jet Mustang will be released, or even if there will be another one. The World's largest non biased Shelby Cobra related site! Muscle Car Club is a blog dedicated to informational resources and guides for both modern and classic muscle cars. Ford introduced the Mach 1 Mustang in 1969, creating an instant smash hit that outsold the previously popular GT by 67,062 units shuttering the GT model at the end of the model year. Initially, Ford limited production to only 50, but later increased that by 250 due to popular demand. Upgraded C6 with higher shift speed and modified clutch packs, New 6" HG with miminal exhaust restriction mufflers and pipes, Revised for staggered shock absorbers to eliminate reverse gear tramping. Completely overhauled in 1968, the Mercury Cyclone underwent significant changes, including dropping the convertible and adding a fastback form. However, a 4-speed option was also available. The 429 Ford Cobra Jet pumped out 370 horsepower, while the Super Cobra Jets pushed out 375 horsepower. Ford was not caught in flagrante delecto, however. Cobra Jet engines received low-riser heads with a "rough-cast" combustion chamber (2.09int.-1.66ex. Carroll Shelby, Bob Tasca, and the Hybrid 427/428 Engines, Best Ford Fox Body Mustang Performance Upgrades. After some break-in miles, we'd likely see 375 hp and, with headers, yes, very likely 400 ponies. The smaller bore of the 428 was well within normal production line capabilities. These were sold as part of the Drag Pack option. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Best of all, unlike the fire breathing 427 FE (which was mostly installed in fullsize 1963-1967 models), the 428 CJ was commonly available in all the popular midsize Ford-Mercury muscle models. Ford really got it right with the 1968 428 Cobra Jet (CJ). I think, but don't remember, that the SCJ would come in cars optioned with the "drag pack.". Welcome to Club Cobra! Ky, Cobra Make, Engine: CSX4761, KCR Shelby Alloy 496,760hp, My 427 racer buddy gave me a nos set of c6ae lemans rods,he strongly cautioned me to replace all the bolts with arp ,even though they have never been torqued,he told me in the 70's they went thru a rash of windowing new motors and was told by holman moody that of the ford rod bolts at least 25 percent were fualty out of the box,that would ruin your day to say the least,,huh ? The 429 blocks are incredibly solid, and the Cobra Jets got a high nodularity, Brinnel tested crank and forged rods. Building Ford's Fabulous 429 Super Cobra Jet - OnAllCylinders Super Cobra Jet Crankshaft But there was one thing about the 428 CJ that left everyone puzzled. In seventh place is the 1969 Ford Fairlane Cobra. The 428, on the other hand, has a smaller bore and longer stroke producing more torque and is well-suited to street-strip action. 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. : For registered members this ad will NOT show. 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. They were still rated the same 335 horsepower as the Cobra Jets, which was probably still underestimated by 100 horsepower. The cars ran very well and won in the Super Stock category that year. While the Cyclone was named the fastest car of the year, having set a world record speed of 189.22 miles per hour at Daytona, the 428 version wasnt the fastest in the quarter-mile, achieving 18th place overall. Ford gave the electric Cobra Jet its name because it produces 1,400 horsepower and 1,100 lb-ft of torque. The 396 was known in Bow Tie circles as the Mark IV and was further known as the "mystery motor" because it was developed in secret for the '64 Daytona 500. 427, 428, 429!!! Would someone please explain the differences of these As an Amazon Associate I earn from qualifying purchases. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Great article, but the 68 Cougar wasnt offered as a convertible! The Super Cobra Jets got forged aluminum pistons and higher performance camshafts, as well as a high-rise intake manifold. The Boss and Cobra Jets had the same block with four bolt mains, short skirts, and thin wall castings. Though different part numbers were used for standard sized CJ and SCJ pistons (perhaps to provide slightly different installation tolerances), most folks that I've talked to believe that the pistons were in fact identical. Bore and stroke was 4.0 X 3.5. stronger. The 428 had a bore of 4.13" and a stroke of 3.98" and was produced from 1966 to 1970. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. Unlike the 351, Ford based the 428 Cobra Jet and Super Cobra Jets on the FE series of engines. Restyled in 1970, the Mustang returned to single headlights that moved inside of the grille. Lastly, Ford engineers externally balanced the SCJ engine with a counterweight behind a different harmonic balancer because they removed the center counterweight on the crank. although the fastest factory car i have ever been in was and is to this day the 68 428scj mustang, and those cars are cars of record winning the 68' winternationals against the Hemi cars. They did so to honor the 1968 Mustangs that won the NHRA Winternationals, and inaugurated the first Cobra Jet era. Introduced in 1958 for service in fullsize Fords as well as the Thunderbird, the FE had seen a long and colorful career. Ford initially created 50 base Mustangs (20 of which were factory lightweights) equipped with a 428CJ dressed in Wimbleton White, then delivered them to select Ford dealers nationwide to help spread the word on its new venomous creation. It had four bolt mains, aluminum hemi-style heads and looked like no other engine. Sunroof has a big brain. Piston part numbers are marked (R) for red size and (B) for blue size to note options for selective fit based on normal production tolerances. What is the difference between a 428 and 429. The Cobra Jets are very similar to the standard 428s, with only minimal upgrades for better performance and reliability. What to look for when buying the brutish Ford Torino GT 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. Midway through the 1967 model year, the 427 was swapped out for a newer 428 Cobra Jet engine equipped with a Holley four-barrel carburetor. Lots of people have different opinions about the "Drag Pack" option described above, what it included, and which cars it was available for. Enthusiasts immediately latched onto the 428 and 429 Cobra and Super Cobra Jets, pushing them to their limits at local drag strips on the main drag. The W-code 427 and 428 CJ shared just about everything except main bearing caps and bore/stroke dimensions. The 429 was not produced until 1969. From 2013-2016, they used the 5.0 L Coyote engine as their powerplant. 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. These are a few ways you can tell. But times were changing, and sales were soft for performance cars across the board, and not just at Ford. I've heard from others who've reported finding C6AE-C, C6AE-D, and C6AE-F rods in what they believe to be original engines. The later piston, which appears starting around December 1968, is marked "428" and "SUPER" (thanks to Randy Pollock for the picture), and differs from the earlier pistons by having additional metal in the pin boss area. The 385-series 429 and 460 are also good street-strip engines, with their canted valves and large bearings. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. Educate me! In 2020, Ford came out with the most unique Cobra Jet in history, the All-Electric Mustang Cobra Jet 1400. This was not enough to beat the big-block Camaro, however, which ran the quarter a full second quicker. If it's to be a "driver", compression needs to be lowered to use "pump . p.s. Cast iron exhaust manifolds. 428 cobra jet vs. 460 - Club Cobra Typical Cobra Jet Crankshaft Several different cranks were used in 428 CJ and SCJ engines during the course of production. The 428 Cobra Jet was born by drag racers at a Ford Dealership to nudge FoMoCo in the right direction when they needed it most to help recapture the pony car market. In fifth place is the 1969 Mercury Cyclone CJ. The Police Interceptor contained an aluminum intake, high performance camshaft and beefier connecting rods to produce 360 hp. difference in 428 blocks? - Ford Truck Enthusiasts Forums Shelby realized that this was a real alternative to the expensive and temperamental 427. It was available in the new Camaro in 325-, 350-, and 375hp forms (a 425hp version had been available in the Corvette for '65). In 2020, Ford switched from massive superchargers to an all-electric platform, but dropped jaws by making 1,500 wheel-horsepower a worthy trade-off to get rid of the internal combustion engine.The future of the Cobra Jet is unknown, and its unclear whether Ford will ditch petrol for good and switch to electric, or if that was a one year anomaly. Either way, you can be guaranteed it will be a monster at the drag strip and not be lacking for power. There is only one high-performance damper of the latter era: The SCJ damper, which has a heavy inertia ring, much like the LeMans. However, buyers would have to order the GT package if they wanted to get their hands on one in 1968available in either a coupe or fastback body style. 428 Cobra Jet Standard was 2.09 inch intake and 1.66 inch exhaust valves. 428 CU IN stuff I copied from the net: Introduced in 1966 Bore and stroke of 4.13X3.98 Cast iron crankshaft forged-steel connecting rods cast iron intake manifold 345 horsepower @ 10.5:1 compression ration Variations of the 428 existed throughout its' life span, including the 428 Police Interceptor, 428 Thunderjet and 428 Marauder. The Mustang had grown bigger than ever, with a weight of nearly two tons. 428 vs. 428CJ - 332-428 Ford FE Engine Forum According to statistics courtesy of Marti Auto Works and copyrighted, this car was built at the San Jose assembly plant on October 1, 1968. 428cj vs 460 | 460 Ford Forum Super Cobra Jet oil cooler adapter 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. Pictures of some of these parts can be found in the component identification section of this web site. The 428's and 429's most associated with Cougars are Cobra Jets. The 428 was basically a bored out 427, though it performed better and was more reliable. 1968 428 Cobra Jet Drag Strip Modifications 428 CJ Mustangs at the 1968 NHRA Winternationals Drag Strip Performance The Straight Scoop on "Canadian" Heads Engine Information 428 Cobra Jet History, by Bill Barr 428 Cobra Jet vs. 428 Super Cobra Jet Comparison of Major 428 Engine Components Component Identification Engine Identification Codes Consequently, Ford used Holman Moodys 428 engine as the inspiration it desperately needed to help reclaim its rightful place at the top of the pony car market. The 335hp rating was nothing more than a ploy to distract the NHRA from the CJ's true ability, in hopes of getting more advantageous classifications in Stock and Super Stock competition. The spirit of Bob Tasca and Carroll Shelbys original 427/428 hybrids still live on today if youre lucky enough to see one in person. The 1969 description says that the Drag Pack option is "Available only with 428 CID 4V Non-Ram or Ram Air engines" and "Not available with other optional ratio axles or air conditioner". The World's largest At the '68 NHRA Winternationals in Pomona, California, Ford entered a number of specially warmed-up '68 Cobra Jet Mustangs. Ford 428 Cobra Jet Engine Block & Cylinder Heads Note that there is no mention of the Detroit Locker in the 1969 description, but it's clearly listed in the 1970 description. The longer stroke (3.98 vs. 3.78 for the 427) gave the engine powerful low-end punch. 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. ). Grue up with Ford FE. This became a private war between the automakers. Can be ID'd be block casting numbers of C8SE, C9VE, D0VE, D1VE among others and head casting numbers of C8SE, C9VE, D0VE among others. In 1971, the 351 Ford Cobra Jet made 280 horsepower, but that dropped to 266 horsepower and then 255 horsepower. 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 428 is a 1969 block no heads. The axle code in the order image is "8" (which means 3.50:1 open) and the car's data plate has an axle code of "W". You can also check the build dates on the parts as well because they did not start pitting them in production cars till about March of 1968. Because of this, '69 Mustang GTs are collectors' favorites. . For the most recent 2018 Ford Cobra Jet, Ford used their modified Coyote variant, the 5.2 L Voodoo. The 428 was available as a 68 1/2, 68 and 70 model. Very rare and very expensive as only about 1,200 were made. With a bore and stroke of 4.36 X 3.59, the 429 has a larger bore but smaller stroke than the 428s. Luckily, Tasca Ford pioneered a high revving 428 engine nicknamed the KR-8 as a direct replacement for the low-revving 390 FE engine. What's the difference between a 428, 428 Police interceptor, and a 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. Mustang 428 Cobra Jet Service Parts Oil Level Indicator (Dip Stick) Oil Pan and Windage Tray Oil Pump Pistons Power Steering Fluid Cooler Power Steering Pump Radiator Radiator Cooling Fan Radiator Cooling Fan Shroud Radiator Fan Clutch Rear U-Joint Flange Reverse Lockout Rod (1970) Shock Tower Reinforcements Speedometer Gear Adapter It came in T-birds and full size Fords in the late 60's and early 70's. 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). The 1969 Ford Fairlane Cobra was a 1969-only option and was available in either a Formal Roof Hardtop or a Fastback form. Cyclone CJ comes with four-speed stick competition handling package, wide-tread fiberglass belted WSW tires, blackout grille, hood stripe, all-vinyl cockpit, low-restriction dual pipesall standard. Even an external oil cooler was part of the deal--not bad for $6.53. Be sure to subscribe if you like content like this! Ford introduced their second generation of FE V8 big block engines in 1962 with the 406 cid big block. The big FE also became notorious as one of the powerplants for Carroll Shelby's outrageous big-block-powered version of the AC Cobra. 1968 through 1970 428CJ blocks were beefed up between the bores and main webbing areas for anticipated higher horsepower output. Chevrolet wasn't Ford's only problem in the performance department. The Ford Cobra Jets are some of the most iconic engines in Ford history, and have been since their release back in 1968. A date code correct 69 428 block could be worth a decent buck. Ford branded the new 428 the Ford Cobra Jet engine, and they also put it in the Fairlane and Torino. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. all aluminum FE, Check the intake casting number, the head casting number and if the heads are of the bore and stroke. Super Cobra Jet Connecting Rod 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. 1968 was the only second year of the Cougar, which only received minor revisions, including side marker lights and front shoulder belts. (The hood scoop works.) As mentioned, the 428 Ford Cobra Jets had 427-style heads, which had 2.09 intake valves and 1.66 exhaust controllers. 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. The World's largest A lot of people try to pawn off a 390 as a 428. the blocks are nearly identical and the stroke is close. 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. There have been eight new models since then, culminating in the 50th Anniversary Cobra Jets for 2018. (REGISTERED USERS DO NOT SEE THIS POST/AD! I spoke to Rob Celedon the other day and his SCJ car has the same stamp on the block. In 1968, Ford released the first versions of their now famed V8 Cobra Jet engines. one basic block for both the 429 and 460 with a 4.360-inch bore. Both the Cobra and Super Cobra Jets had dished cast pistons, and used stronger connecting rods than the standard 428. It appears that Ford went through at least three piston designs during the 428 CJ and SCJ production run to address durability problems.

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