difference between 428 and 428 cobra jet difference between 428 and 428 cobra jet

The fifth digit in the VIN on any Ford from 1968-1970 tells you whether or not a vehicle came with this engine or not. I'm not embarrased to ask anything anymore. 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. Educate me! I want to register an account for free right now! 428's never had cross bolted mains, unlike the 427 (and a few 406's). Restyled in 1970, the Mustang returned to single headlights that moved inside of the grille. It's important to note that all other components of the SCJ engine do in fact interchange with the CJ engine. The Mustang had grown bigger than ever, with a weight of nearly two tons. Ford had introduced the 385 series in 1968, and the 429 first appeared in the Thunderbird. 1969 Ford Mustang Mach 1 428 Super Cobra Jet Muscle Car Of The Week Video Episode #91The Mach 1 handling and appearance package made for some good looking an. 1969 Cobras are often mistakingly called Torino Cobras, which didnt appear until 1970. Ford branded the new 428 the Ford Cobra Jet engine, and they also put it in the Fairlane and Torino. The V-code designated a 3.91:1 rear axle ratio, while the W-code meant a 4.30:1 rear axle ratio. The new 2008 Ford Cobra Jet Mustangs were built strictly for the drag strip, so they werent even given VINs. Register now for free! The Cougar was available in either standard or XR-7 trim, with option packages including the GT and the performance-trim Eliminator. The 396 was a durable and slightly detuned racing engine that ran very hard. 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. His cars had been very successful, and word on the street was Tasca's cars were working very well. YES! 385cm = 151.6 inches. In 1958, Ford introduced their first line of big block motors, known as the Ford FE engines. 428 CJ's came in the 69 so it would be more correct as far as appearance goes. A common misconception seems to be that SCJs were originally equipped with forged pistons and CJs were originally equipped with cast pistons. Note that it was not thought to be possible to order an SCJ engine by itself -- the only way to get your hands on an SCJ in a Mustang was to order the optional 3.91:1 or 4.30:1 rear end gear ratios. Chevrolet wasn't Ford's only problem in the performance department. So the question remains, how much horsepower does a stock 428 CJ really deliver? I actually have some kind of answer that I hope will help. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. The CJ had the good heads, cam but had the iron intake. It came in T-birds and full size Fords in the late 60's and early 70's. Grue up with Ford FE. The 429 heads were incredibly free flowing, and in reality some of the best Ford big block heads ever created. There was a special designation in the database to tell which cars had these installed". The chambers were open head, which helped with emissions, and Ford fitted the Autolite/Ford 4300-D 750 cfm 4bbl carburetor to it. Upgrade available to low restriction ram air (seal to hood) and "shaker" hood with hot/cold start-up system, Larger bolts; SCJ had material addedto outside of big end, Retuned damper for strengthened crankshaft, Revised valve springs for higher valve toss speed (6700 RPM), Improved material with modified, polished backside fillet radius, Unique adapter with oil in and oil out provisions for external oil cooler (SCJ only), Unique high (90%+) nodular iron with 10,000 RPM burst strength; high RPM clutch assembly, Higher relief valve pressure, unique oil filter adapter, and external oil cooling (SCJ only), Automatic and manual transmission available, Automatic and manual transmission available. When the buyer selected the CJ option, the GT option became mandatory. According to the excellent Boss and Cobra Jet Mustangs by Dr. John Craft, this is how the Cobra Jet was born. It had four bolt mains, aluminum hemi-style heads and looked like no other engine. One had spun on the crank bearing and all would have had to be resized, so Bill advised me. 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. Also i was wondering if you hopped them up which one would have more horsepower and which one you could rebuilbd for less money, and which one would be less maintenance? Ford really got it right with the 1968 428 Cobra Jet (CJ). 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 But times were changing, and sales were soft for performance cars across the board, and not just at Ford. Each engine was from a different Ford engine family, with the 428 and 429 both being big blocks. The big FE also became notorious as one of the powerplants for Carroll Shelby's outrageous big-block-powered version of the AC Cobra. Then there was the 429 Cobra Jet (CJ). But of course, it was too late to change the name. Representation from nearly all Cobra/Daytona/GT40 manufacturers Help from all over the world for your questions Build logs for you and all members Blogs 1968 was when the Cyclone lost its affiliation with the Comet nameplate, a good move considering it was on its way out entirely by 1969. In 1970, Ford began phasing out the FE engines in favor of the new 385 big block series of engines. The 428 also got a single snorkel air cleaner and had a Holley 735 cfm carburetor. The two-barrel 390 was good for 265 horsepower, the four-barrel stepped up to 325, and the Cobra Jet 428 provided just ten additional horses but a fair torque boost to go with it. The 429/460 is going to be the cheaper of the engines to build. You might as well lead the way. 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. Pictures of some of these parts can be found in the component identification section of this web site. Even less common with a production of maybe 3,000. 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 engine engineering personnel who worked for me on the 428 program were Paul Lampela, Frank Gondoly, Bob Snider, and Matt Hecht. The baddest of them all is the Boss 429. There have been rumors of cars being delivered with SCJ engines and other axle codes, and V- or W-code axles and no SCJ engine. Two were offered for 428 Super Cobra Jet before and after that date. 1968 was the only second year of the Cougar, which only received minor revisions, including side marker lights and front shoulder belts. They had introduced the 385 series in 1968 to start replacing the outgoing FE series. What is the difference between a 428 and 429. The Ford Cobra Jet and Super Cobra Jet were introduced in 1970, and they were improvements over the 428s. During the 1970 model year, "DETROIT LOCKER DIFFERENTIAL" appears on the invoice of vehicles that came with a factory Detroit Locker. 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. 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. Cobra Jet engines received low-riser heads with a "rough-cast" combustion chamber (2.09int.-1.66ex. Because of this, '69 Mustang GTs are collectors' favorites. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. Ford Cobra Jets came in either 351, 428, or 429 cid displacements, and there were also Super Cobra Jets, too. No other numbers are CJ. A police interceptor may have an "A". In various incarnations ranging from 332 ci all the way up to the 428, the FE was the heart and soul of many winning Ford-powered automobiles. ID'd by D0VE-A and D1VE-AA casting numbers on the block and D0OE-R on the heads. They were almost identical to the standard Cobra Jets, but had stronger internals. The World's largest non biased Shelby Cobra related site! You cannot really compare 69 with the 74 cars. In 1967, this changed when they put the first generation 390 big block in the Mustang. 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. Although these cars were slightly different than what would shortly be on the showroom floor, word was out that the Cobra Jet package was the way to go. Now. In April of 1968, when the Cobra Jet Mustang hit the showroom floor, it sold like blueberry pancakes. The 1967 Shelby GT500 featured a new 428 cid engine that had been used in the Thunderbirds and Galaxies. The 406 was a serious development for Ford, as it catapulted them to NHRA and NASCAR victories in the mid-1960s. 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. Instead, Tasca Fordthe second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. you could be driving 15 mph and just floor it, and it would break the tires loose, you certainally didnt have to powerbreak it to spin the tires like every other car.my father had a 74 caprice with a 454 and the Tbird was far faster than the 454. Just two years into production, Ford introduced the 429 Cobra Jet and Super Cobra Jet for compact and intermediate sized rides like Mustang, Torino, Cyclone, and Cougar. Typically 360 horsepower. All of the new Ford Cobra Jets are supercharged, except the Cobra Jet TT from 2013 that has twin-turbos. Register now for free! Ford released the original 428 in 1966, and in 1968 the Cobra Jet variant was born. Success at the track meant success at the dealership, and Ford knew this. Ford advertised the 428 Cobra Jet's horsepower at 335 (10 less than the Thunderbird) with 440 lb-ft of torque, and whether those numbers were accurate or not they didn't push past the 390 far enough to generate more than passing interest from the Mustang crowd for its inaugural 1968 year. I think, but don't remember, that the SCJ would come in cars optioned with the "drag pack.". 428 FE police interceptor versus cobra jet - Club Cobra FE Forums sponsored by Keith Craft Inc. The heads ID themselves. The Fora platform includes forum software by XenForo. Ranging from common problems info to performance modification guides, we cover everything muscle car. 1999 - 2022 Scott A. Hollenbeck. It came in special Mustangs (and 2 Cougars) in 1969-70. The 428 Cobra Jet returned, and all Mach 1s came standard with a rear sway bar, and the Shaker Hood was now available on all V-8s, not just the CJs. Paul: Sorry to disagree. The 429 was not produced until 1969. Cobra Make, Engine: Posts: 717. Well, there you have the top 8 fastest 428 Cobra Jets. 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. From 2008-2012, Ford used a supercharged version of their 5.4 L Modular V8. 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 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. The back of the CJ block should have a "C" cast or welded into the back of it. Although many early Mustang articles suggest that the 428 Cobra Jet was designed by Mr. Tasca, there are in fact more than 30 design differences between the components used by Mr. Tasca, the 428 PI, and the released 428 CJ. It may be possible to mix components if every component of the reciprocating assembly is dynamically balanced, but why bother? Cast iron intake manifold identical to the aluminum one on the police interceptor. 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. I'm not sure about how well a 429/460 fits in '67-70's though. Chrysler had the 440ci RB wedge engine, not to mention the brutal 426ci hemispherical head motor known as the Hemi. Note that there is no mention of the Detroit Locker in the 1969 description, but it's clearly listed in the 1970 description. A remedy was in the making, as the 428 Cobra Jet package for the Mustang began its metamorphosis. The Ford engineers kept the KR-8 so they could break it down and discover what made it so powerful. I want to register an account for free right now! Still, a '71 'Jet had a 0-60 time of 6.5 seconds and a quarter-mile time of 14.1 seconds, so it was no snail. (The hood scoop works.) Identified by the letter W in the fifth spot of the VIN, this early 1968 edition was the only 427 with hydraulic lifters, an iron intake manifold, a single point distributor, a smog pump (Ford's Thermactor system), an automatic transmission (the four-speed was not available with the 427), and optional air conditioning. Bore and stroke was 4.0 X 3.5. They did so to honor the 1968 Mustangs that won the NHRA Winternationals, and inaugurated the first Cobra Jet era. The 427 quickly became one of the most popular and powerful Ford engines, pumping out 425 horsepower. A special option available for 1969 in the Cobra Jet Mustang included a 428 with internal modifications. stronger. Note that the reinforcement bracket used with the Super Cobra Jet horn arrangement appears to have been used only during the 1969 model year. 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). Even in 2022, almost six decades later, the Ford Cobra Jets are still lusted over today by generations of gearheads. ID by casting number on the block of C9AE. 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. But it was the Camaro-Firebird that joined the Mustang in the ponycar class. Its outstanding showing, including a first place finish, and immediate fan reaction prompted Ford to put the engine in production Mustangs. Known as the Thunderbolt, this Fairlane saw very limited production and was built as a factory lightweight race car. 1973-1974 351 Cobra Jets had smaller valves, which resulted in a drop in horsepower on some models to 245. Enter Bob Tasca, a Ford dealer who had a history of experimenting with Ford big-blocks for his dealership-sponsored race cars. 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. Mixing SCJ and CJ parts can cause severe balance problems. The block and head were both cast iron, but some models may have had aluminum intakes instead of cast iron. Shelby realized that this was a real alternative to the expensive and temperamental 427. Most 428 Cobra Jet fans have heard of the "Detroit Locker" differential, a positive locking differential that was originally produced by Detroit Automotive Products Corporation (DAPCO) and is now available from TracTech Inc. Right to the end in 1970, the 335hp rating stuck. 1968 428 Cobra Jet Drag Strip Modifications, 428 CJ Mustangs at the 1968 NHRA Winternationals, Comparison of Major 428 Engine Components, Classic Mustang Warranty Plate/Certification Label Decoder, Cobra Jet Crankshaft (engineering number detail), Super Cobra Jet harmonic balancer counter weight, 1, Super Cobra Jet harmonic balancer counter weight, 2, Super Cobra Jet harmonic balancer counter weight, 3, Super Cobra Jet harmonic balancer counter weight, 4, Super Cobra Jet horn detail (note the jumper wire and reinforcement bracket), Super Cobra Jet horn reinforcement bracket. The SCJ block is the same as a CJ, and to that they added 427 "LeMans" connecting rods, better intake manifold, and an oil cooler, plus crank, rods, pistons, wrist pins, flywheel/flexplate By 1974 the emissions crap that was added to the engine killed the power. Oddly, however, Ford never revised the sandbagged horsepower claims. I have a set of stamps capable of stamping SCJ or Holman Moody or anything else you like into a block. You true FE gurus can add/correct info to the above. The Camaro, Firebird, and Barracuda had eroded the pony car market Ford created in 1964. It was fortuitous that Tasca Ford nudged Fordand Ford listenedbecause the 428 Cobra Jets and Super Cobra Jets are amongst the baddest Ford Muscle Cars you could drive off the lot from 1968-1970. They did have a few XR7-G Cougars built that came with the first factory retractable sunroof though! 1999 - 2022 Scott A. Hollenbeck. The factory power rating seemed to be a typo. While the print ad boasted leading the way, the Cyclone CJ ended up closer to the middle of the pack in 1969, coming in 12th overall in factory supercar quarter-mile times published that year. The following year, the Super Cobra Jet became an option. Many aficionados of the Cobra Jet Mustang consider the '70 version to be the nicest of all, combining the last year of the FE engine with the last year for the '69-'70 body style. Yet, Ford did not use any of the second generation big blocks in pony cars like the Mustang at first. Everyone at Ford was confounded, and the brass didn't want to go back to the 427 because of the high cost of its heavy-duty internal components. http://www.mercurycougar.net/gallery/showgallery.php/cat/500/ppuser/5281/perpage/12/sort/1, http://www.428cobrajet.com/facts.html#five. Never looked at or worked on any big block other than a 390. Besides the T-Bird, there were Galaxies, Thunderbolt Fairlanes, Mustangs, Torinos, and both the AC Cobra and GT 500 Shelbys. 1970 Ford F100 2WD SB 447 Strokered FE w/ T19 Bullitt390 New Member If I can, I will try to get a picture of the "SUPER" stamp to show. Compression ratios were lowered considerably, and with this, performance often went out the window. See if you can determine if these motors you are looking at are CJ's. The Police Interceptor contained an aluminum intake, high performance camshaft and beefier connecting rods to produce 360 hp. Massachusetts. Two-bolt main block Between 345-360 horsepower 428 Super Cobra Jet Internal structure differences included Lemans type cap screw rods The capscrews were shorter than the 427's to clear the block Externally balanced External engine oil cooler Here is some 429 info I gleaned off the net: First was the base 429, known as the Thunder Jet (TJ).