difference between 428 and 428 cobra jet

Also does the cj have a lot of low end. Starting in 1966, you could also get a 428 Police Interceptor (only sold to police entities). The big-block Chevy had the edge in breathing ability, but this move closed the gap between the two engines a great deal. Educate me! Ford created a few high performance variants of the 429, the Boss 429 and the 429 Cobra/Super Cobra Jets. 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. Super Cobra Jet Connecting Rod Block, heads, manifolds, etc. With a few minor modifications, however, the 428 would really scream, and by the time the '68s came around, Ford was ready to rock and roll. 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. "A standard 428 will have a U1 crankshaft ballanced on the inside of the ballancer but weight added on crankshaft . Right to the end in 1970, the 335hp rating stuck. Either way, you can be guaranteed it will be a monster at the drag strip and not be lacking for power. 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 Ford 427 became immortalized in 1966, when Ken Miles piloted it during the 1966 24 Hours of Le Mans (later chronicled in Ford v. Ferrari). The World's largest non biased Shelby Cobra related site! Keith, Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31, also police interceptors had solid lifters and adjustable rockers---GT & CJ were hydraulic, Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader, Reading this brings up a question that I've always wondered about. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. All Rights Reserved. 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). You might as well lead the way. In addition, the Spoiler II was available in either a red or blue paint schemehonoring legendary NASCAR drivers Cale Yarborough and Dan Gurney, respectively. All of the new Ford Cobra Jets are supercharged, except the Cobra Jet TT from 2013 that has twin-turbos. The 1968 Mustang received several styling updates, including side scoops, steering wheel, side marker lights, and gas cap. The 428 CJ cylinder heads featured an un-machined chamber of 73-76cc, 2.06" intake valves and 1.66" exhaust valves. the 428 CJ. Ford really got it right with the 1968 428 Cobra Jet (CJ). The connecting rod journal diameter measures between 2.4380 and 2.4388 inches. All Rights Reserved. YES! Now lets take a look at the various Ford Cobra Jet engines. Ford had first introduced the public to the new Ford Cobra jet powered Mustangs at the 1968 NHRA Winternationals. Besides I have a reputation now First you have to start with the 428 v.s. Super Cobra Jets also had oil coolers as standard, which were options for the Cobra Jets. The 1970 description says "Available only with 428 CID 4V Cobra or Cobra Jet engine" and "Not available on Boss 302, or with other optional ratio axles". 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. Also, there is an S between the 8 & the C Cobra Make, Engine: I Wish, Just an old truck with an FE, Cobra Make, Engine: Kirkham 427 (KMP 266); CAV GT40, also forged pistons,and an electronically balanced crank shaft on the SCJ;all reliability issues not HP ones. For the 429 Ford Cobra Jet carbs, there were either 715 cfm or 780 cfm 4 bbl options. A forum community dedicated to Mercury Cougar owners and enthusiasts. 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. In 1968, Ford released the first versions of their now famed V8 Cobra Jet engines. The 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. The C marking on the rear face of blocks predated the CJ era. Additionally, Ford simplified several exterior styling features due to a sales dip in 1969 attributed to aggressive styling. The block and head were both cast iron, but some models may have had aluminum intakes instead of cast iron. The rest of the info is the same. 1969 and 1970 CJ vs. SCJ parts identification. Whenever a . There is only one high-performance damper of the latter era: The SCJ damper, which has a heavy inertia ring, much like the LeMans. All this was none too soon. 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. The Electric Ford Cobra Jet Mustang can blast through the quarter-mile in just 8.12 seconds at 172 mph, annihilating any Mustang that has ever been in production. Introduced at the height of the high-performance wars, big-block Cobra Jets acquitted themselves well in the Mustang and in other cars. See if you can determine if these motors you are looking at are CJ's. First you have to start with the 428 v.s. Super Cobra Jet harmonic balancer 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. For the '70 Torino and Cyclone and the '71 Mustang and Cougar, the passing of the 428 meant a switchover to the new 385-series Ford big-block. The 427 quickly became one of the most popular and powerful Ford engines, pumping out 425 horsepower. Automotive magazines from 1968-1969 recorded eight of the fastest Mustangs, Fairlanes, Cyclones, and Cougars powered by a 428 Cobra Jet and Super Cobra Jet, ranging from 13.23 to 14.40-seconds in the quarter-mile ET with trap speeds of 99.4-106.6 MPH. A police interceptor may have an "A". 1968 was the year the wild Mustangand all other Ford modelsfell prey to the untamed Cougar. 1969 Ford Cobras were dressed-down street warriors with a basic interior, column shifter, essential gauges, and gobs of power far more significant than 335 horsepower advertised ratings. The Super Cobra Jets got forged aluminum pistons and higher performance camshafts, as well as a high-rise intake manifold. Success at the track meant success at the dealership, and Ford knew this. The facts became clear once 428 CJ Mustangs and Fairlanes started running high 13s at the strip with zero preparation. 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. It was only installed in mid-size (1970-71) and pony cars (1971 only). Ford got down to business and began by beefing up the bottom of the 428 block casting, which included heavier main bearing caps. Oddly, however, Ford never revised the sandbagged horsepower claims. 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. Most 428s in 7 liter [COLOR=#0000ff! The Mustang had grown bigger than ever, with a weight of nearly two tons. In April 1968, Ford introduced the Cobra Jet, built from a 428 Police Interceptor short block with 427 low riser heads, among other heavier-duty performance partssimilar to what Holman Moody had invented. What is the difference between a 428 and 429. The Cobra Jet 428 motors in Mustangs used heads from the 427, plus other enhancements to really put some hair on their chest. His cars had been very successful, and word on the street was Tasca's cars were working very well. In 2020, Ford came out with the most unique Cobra Jet in history, the All-Electric Mustang Cobra Jet 1400. The 1967 Shelby GT500 featured a new 428 cid engine that had been used in the Thunderbirds and Galaxies. The 428 was available as a 68 1/2, 68 and 70 model. In four years of its existence, the Cobra Jet name became synonymous with high-performance. As a result, the 428 was less rev-happy but it gained a low-end torque punch that was absent in the 427. I want to register an account for free right now! The 428, on the other hand, has a smaller bore and longer stroke producing more torque and is well-suited to street-strip action. 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 horn reinforcement bracket I want to register an account for free right now! Chrysler had the 440ci RB wedge engine, not to mention the brutal 426ci hemispherical head motor known as the Hemi. For the most recent 2018 Ford Cobra Jet, Ford used their modified Coyote variant, the 5.2 L Voodoo. 370 HP (likely underrated), thick strong blocks and massive ports int he heads. Paul: Sorry to disagree. Even an external oil cooler was part of the deal--not bad for $6.53. It's important to note that all other components of the SCJ engine do in fact interchange with the CJ engine. Originally available in any of the three Mustang body styles--coupe, fastback, or convertible--all '68 CJ Mustangs are highly sought after, even 30 years later. Though I've seen references to engineering numbers on flexplates, I've never actually seen any kind of stamped or cast number on a flexplate. 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! 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. At the same time, a Ford dealer named Bob Tasca was also looking to get more power out of his 390-powered Mustangs. The heads ID themselves. But there was one thing about the 428 CJ that left everyone puzzled. Also, 1969 was the last year of production for the famous Mustang GT. Yet, Ford did not use any of the second generation big blocks in pony cars like the Mustang at first. From 2013-2016, they used the 5.0 L Coyote engine as their powerplant. Cobra Make, Engine: Previous ERA owner on break, Just a note on the LeMans rods. 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. 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. Even in 2022, almost six decades later, the Ford Cobra Jets are still lusted over today by generations of gearheads. . Ford was not caught in flagrante delecto, however. ), http://www.gessford.com/images/428-03.gif, http://www.gessford.com/images/428cobrajet.htm, http://www.gessford.com/images/FordMuscleStory.htm, http://www.428cobrajet.com/cj-vs-scj.html. 428 cobra jet vs. 460. i was wondering if a 428 cj or a 460 would be a better engine for a street rod. 428 Cobra Jet Standard was 2.09 inch intake and 1.66 inch exhaust valves. Say Cyclone CJ. The C blocks were later. 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 Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. After that nothing but C blocks were made. Ford wanted to develop a new high-performance engine to help compete against other newly introduced pony cars that had stolen market share. Ford had introduced the 385 series in 1968, and the 429 first appeared in the Thunderbird. Competition was tough in the late '60s, with both GM and Chrysler offering up serious big-block performance. 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. Bought a new 69 Mach 1 and ran at the strip w best et 12.72. 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. The rarest of the bunch are the 68's. The most vaulable Cobra Jet is the 1968 Shelby GT500KR convertibles, which can go for as much or more than a BOSS 429. All 428's had 2-bolt mains also. Just as long as they dont add gimmicky speakers with faux-engine noise, like some of their competitors. 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. According to statistics courtesy of Marti Auto Works and copyrighted, this car was built at the San Jose assembly plant on October 1, 1968. A date code correct 69 428 block could be worth a decent buck. Most of the published literature that I've read says that buyers of the locking 4.30:1 rear end gear also got a gear-driven Detroit Locker instead of Ford's clutch-packed Traction-Lok, but recent research leads me to believe that this is NOT the case! The back of the CJ block should have a "C" cast or welded into the back of it. The main bearing journal diameter measures between 2.7484 and 2.7492 inches. Instead, "Tasca Ford"the second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. 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. Yet, while they were considered big blocks, the first generation of the Ford FE never had displacements of larger than 400 cid. 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. The increasing shift towards electric power plants makes it likely that any future Cobra Jets will be electric. The smaller bore of the 428 was well within normal production line capabilities. The factory power rating seemed to be a typo. 428 Cobra Jet Standard was 2.09 inch intake and 1.66 inch exhaust valves. By far and away the most common -- they made 100,000+ of these. now if your talking 429scj vs. 428 scj i would give the nod to the 429scj. To verify an original car, you can simply look at the vehicle identification number (VIN) on the dashboard. I won Winter Nationals at Beeline Dragway in DStock Class at 13:05 118 mph in 1970 with my 428 CJ Mach. The Mercury Cougar underwent styling updates in 1969, including transitioning to Coke bottle styling and eliminating side vent windows. Not only is the 1968 Mercury Cougar XR7-GT the fastest factory Cobra Jet on this list, but it is also the fastest muscle car of 1968much to the chagrin of Mustang, Torino, Fairlane, Cyclone, and Montego owners everywhere. Cobra Make, Engine: Everett-Morrison LS1, IIRC look at the exhaust manifold bolt pattern-------------the 390GT and 428CJ had a different bolt pattern (had some more holes and an tab on the head for the pattern--the standard engines only had the vertical pattern with a bolt at top and bottom of port, Cobra Make, Engine: Kellison Stallion 468 FE, Cobra Make, Engine: Kirkham 427 brushed aluminum with Keith Craft 527C.I. In fifth place is the 1969 Mercury Cyclone CJ. The 428 uses a crank with a 3.98 inch stroke and a 390 has a 3.78 inch crank. 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). The 428CJ also used a superior cast iron intake and better exhaust manifolds. It had four bolt mains, aluminum hemi-style heads and looked like no other engine. I have a set of stamps capable of stamping SCJ or Holman Moody or anything else you like into a block. Its outstanding showing, including a first place finish, and immediate fan reaction prompted Ford to put the engine in production Mustangs. 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. I actually have some kind of answer that I hope will help. When I had Southern Automotive rebuild my engine, I delivered it to him with a set of LeMans rods. 428CJ /SCJ cars used shock tower reinforcements, thicker front sway bars, and beefier springs and shocks. The package included special capscrew-type connecting rods borrowed from the Ford GT Mark IV 427 Le Mans engine. This is an internally ballance assy . 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. 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). That is, the performance motors were either a CJ or a SCJ. There was a special designation in the database to tell which cars had these installed". 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. Yep, I'm a hack! The 428 is a 1969 block no heads. Cast iron intake manifold identical to the aluminum one on the police interceptor. Four decades after its initial release, and 34 years after it was discontinued, Ford brought back the Cobra Jet badge in 2008. Cobra Make, Engine: Posts: 717. Compression ratios were lowered considerably, and with this, performance often went out the window. The table below summarizes the part differences between the two engines. not a chance, the 428 scj would out pull the 460 hands down. A police interceptor may have an "A". In third place is the 1969 Ford Mustang Mach 1. 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 Super Cobra Jet harmonic balancer counter weight, 1 The 429 was not produced until 1969. They were almost identical to the standard Cobra Jets, but had stronger internals. 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. stronger. In 1963, the 427 saw service in a series of lightweight Galaxies, which had seen some racing success despite their weight. Starting in February 1969 this complete package could be ordered as the "Drag Pack" option. A remedy was in the making, as the 428 Cobra Jet package for the Mustang began its metamorphosis. That didnt happen until 69. None of the parts of the 428 SCJ reciprocating assembly interchange with their 428 CJ counterparts. The 427 boasted 390 hp, a full 55 more than you-know-who. 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. 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. Welcome to Club Cobra! This explains why Ford went with the 390 in the Mustang instead of the 427. The back of the CJ block should have a "C" cast or welded into the back of it. These only became available in the 1970 model year, as you noted. The big FE also became notorious as one of the powerplants for Carroll Shelby's outrageous big-block-powered version of the AC Cobra. 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 . w/sunroof, 69 XR7, '67 XR7, '68 Std., '70 Std. Comparison of Major 428 Engine Components, 1968 428 Cobra Jet Drag Strip Modifications, 428 CJ Mustangs at the 1968 NHRA Winternationals, Classic Mustang Warranty Plate/Certification Label Decoder, Cast iron, similar to PI with revised carburetor bore risers, relocated carburetor pad, and radiused riser to upper and lower logs to improve fuel/air distribution, Production 390 GT cast iron light car manifolds, Redesigned high flow, low restriction unique to the 428 CJ, Redesigned dual inlet with hot/cold start-up system. The 429 blocks are incredibly solid, and the Cobra Jets got a high nodularity, Brinnel tested crank and forged rods. They have released new Cobra Jets every two years, with 2022 being the first exception so far. The package was also available in the Torino, the Fairlane, and the Mercury Cyclone. 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. With a bore and stroke of 4.36 X 3.59, the 429 has a larger bore but smaller stroke than the 428s. The SCJ had beefier rods and an oil cooler. See more Reply Save Like 1 The value of a Cobra Jet will differ, depending on the body style, options, and year of the car. But it was the Camaro-Firebird that joined the Mustang in the ponycar class. Initially, Ford limited production to only 50, but later increased that by 250 due to popular demand. Ford countered by introducing the FE-series 390ci V-8 engine for the '67 Mustang. The Ford Cobra Jets are some of the most iconic engines in Ford history, and have been since their release back in 1968. More than 18,000 were installed in 1968-1970 Mustangs alone. This was the year that stricter emissions laws went into effect, and emphasis was shifting away from performance. 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). When you purchase through links on our site, we may earn an affiliate commission, which supports our community. For Ford, this meant the venerable FE-series big-blocks, which had seen successful service in the Thunderbird as well as other car lines. Your email address will not be published. I bought a 72' Thunderbird yrs ago it was still pretty powerful. This became a private war between the automakers. 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". Register now for free! The 428 Cobra Jet powered some of the fastest Ford Muscle Cars from 1968 to 1970, over nine Ford and Mercury models. But of course, it was too late to change the name. Two-bolt main block Between 345-360 horsepower 428 Super Cobra Jet Internal structure differences included Lemans type cap screw rods The Cougar was available in either standard or XR-7 trim, with option packages including the GT and the performance-trim Eliminator. Cobra Jet Mustang production continued into 1970. Come join the discussion about restoration, performance, modifications, classifieds, troubleshooting, maintenance, and more! Instead, Tasca Fordthe second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. The most comprehensive guide to detailing a 428 Cobra Jet ever published. When identifying a Super Cobra Jet, you cant do it by the VIN as it shares the same R and Q code designations as the Cobra Jet. Good luck. In the quarter-mile, a one-second difference is a lot of car lengths. What makes the 428 Super Cobra Jet engine so super? There was some overlap of the C and A markings on the rear block face which means many early CJ's have the A on the block while many police and pasenger 428 engines have the C marking. 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! No other numbers are CJ. 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. Ford Cobra Jets came in either 351, 428, or 429 cid displacements, and there were also Super Cobra Jets, too. The birth of the Cobra Jet engine package from Ford was in response to external pressures. 3) An oil cooler 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.

Porky Pig California Here I Come, How To Get To Collapsed Settlement Fallen Order, Lance West Centerbridge Net Worth, Para Que Sirve Regar Sal En La Casa, Shavehead Lake Public Access, Articles D