The Ford 428 Super Cobra Jet was only available in the 1969 and 1970 model years. 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. Although the '67 Mustang looked a lot like the original, it was, in fact, a completely new car with no interchangeable sheetmetal. The birth of the Cobra Jet engine package from Ford was in response to external pressures. The Cobra Jet 428 motors in Mustangs used heads from the 427, plus other enhancements to really put some hair on their chest. The block and head were both cast iron, but some models may have had aluminum intakes instead of cast iron. In lieu of reverting back to the factory 428 head castings, Tasca put heads from the 427 instead. The Mustang now had company in the ponycar market, and the new Camaro was no slouch. The C blocks were later. We have 2 blocks here-both are 428s but one has some additional webbing on the main bearings. The Mustang still used small blocks in their engines, with the 289 cid being the largest available. 1970 Ford F100 2WD SB 447 Strokered FE w/ T19 Bullitt390 New Member The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. 1968 through 1970 428CJ blocks were beefed up between the bores and main webbing areas for anticipated higher horsepower output. Mustang buyers who selected either of the optional 3.91:1 or 4.30:1 rear end gear ratios got more than just an optional axle ratio! Both the Cobra and Super Cobra Jets had dished cast pistons, and used stronger connecting rods than the standard 428. 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. Massachusetts. All 428's had 2-bolt mains also. It was very similar to the standard 351 Cleveland engine, but with a few key differences. The Cobra Jet package added $287.60 to the sticker price of a Cyclone. Super Cobra Jet harmonic balancer The cast iron intake manifold was a high-rise style, which was exceedling heavy at 90 lbs. This victory was not lost on anyone--the public, the press, and Ford alike--much less the competition. 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 The GT500 wasnt quite as fast as the Camaros, though it was closer than the 390 powered Mustangs. The 427 quickly became one of the most popular and powerful Ford engines, pumping out 425 horsepower. As an Amazon Associate I earn from qualifying purchases. Just as long as they dont add gimmicky speakers with faux-engine noise, like some of their competitors. now if your talking 429scj vs. 428 scj i would give the nod to the 429scj. document.getElementById( "ak_js_3" ).setAttribute( "value", ( new Date() ).getTime() ); Get Your Top 50 Fastest Muscle Cars ChartFREE! The 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. 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. The C marking on the rear face of blocks predated the CJ era. Actually, about 400 hp were on tap in this incarnation of the 428. 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. 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. YES! The package included special capscrew-type connecting rods borrowed from the Ford GT Mark IV 427 Le Mans engine. 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. Ford couldnt let the legacy of the Cobra Jet die with the 351, but it took quite some time to revive. Combined with their burgeoning competition with the new Chevy Camaro, Ford decided to put a modified 428 heavily based on Tascas 428 into the Mustang for 1968. Actually, rebuilding a 428 using modern methods costs significantly MORE than $2,500. Instead, Tasca Fordthe second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. 429 Cobra Jet and Super Cobra Jet Vehicle Applications. 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. Some SCJ block had the word "super" stamped on the rear. 1968 was the year the wild Mustangand all other Ford modelsfell prey to the untamed Cougar. Restyled in 1970, the Mustang returned to single headlights that moved inside of the grille. But, from the factory it was never as powerful as the (solid lifter) 427. I've seen written reference to a C9AE-C rod also being used, but I've never been able to confirm an installation. The 429 was not produced until 1969. ** 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? The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. Lets check out the eight fastest Ford Muscle Cars powered by a 428CJ and 428SCJ, shall we? (The hood scoop works.) 1969 Cobras are often mistakingly called Torino Cobras, which didnt appear until 1970. Super Cobra Jet harmonic balancer counter weight, 4 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. They were the be-all and end-all of rods back in the sixties, but metallurgy has far surpassed them today. To date I've only seen documentation for one such anomaly: 9R02R103630, built with a W-code 4.30:1 rear axle and a standard CJ engine. The Formal Roof versions were the ultimate sleeper, looking like your average everyday grocery getter to any unsuspecting contenders that pulled up next to it at a red light. The Ford Cobra Jet and Super Cobra Jet were introduced in 1970, and they were improvements over the 428s. Additionally, Ford simplified several exterior styling features due to a sales dip in 1969 attributed to aggressive styling. 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. Tim K, Cobra Make, Engine: Shell Valley- smallblock grenade w/ the pin pulled. His cars had been very successful, and word on the street was Tasca's cars were working very well. : For registered members this ad will NOT show, Cobra Make, Engine: Unique Motorcars (sold). In 1971, the 351 Ford Cobra Jet made 280 horsepower, but that dropped to 266 horsepower and then 255 horsepower. In four years of its existence, the Cobra Jet name became synonymous with high-performance. 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. Besides the T-Bird, there were Galaxies, Thunderbolt Fairlanes, Mustangs, Torinos, and both the AC Cobra and GT 500 Shelbys. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The 429/460 is going to be the cheaper of the engines to build. The big reason a 428CJ makes more horsepower and torque than a PI is the superior heads. The connecting rod journal diameter measures between 2.4380 and 2.4388 inches. I want to register an account for free right now! He had been involved in the Thunderbolt program back in 1964. 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. Your email address will not be published. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. The 429 heads were incredibly free flowing, and in reality some of the best Ford big block heads ever created. Note that there is no mention of the Detroit Locker in the 1969 description, but it's clearly listed in the 1970 description. It was powered exclusively by a 428 in either CJ or SCJ fashion. http://www.mercurycougar.net/gallery/showgallery.php/cat/500/ppuser/5281/perpage/12/sort/1, http://www.428cobrajet.com/facts.html#five. For improved high speed reliability, the SCJ used the . Ford rated the engine at 335 horsepower and 440 lb-ft of torque, but that was probably understated for insurance purposes. Royce: thanx for the clarification. The SCJ timing pointer is slightly longer to clear the larger harmonic balancer. 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. Even less common with a production of maybe 3,000. 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. In 1968, Ford released the first versions of their now famed V8 Cobra Jet engines. The differences for the SCJ were: 1) The beefer 427 "LeMans" connecting rods. Yet, Ford did not use any of the second generation big blocks in pony cars like the Mustang at first. In fifth place is the 1969 Mercury Cyclone CJ. Also does the cj have a lot of low end. The cars ran very well and won in the Super Stock category that year. But there was one thing about the 428 CJ that left everyone puzzled. Cast iron exhaust manifolds. 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 428 CJ and SCJ blocks have extra main bearing webbing and thicker main caps than the normal 390 or 428. The 428, on the other hand, has a smaller bore and longer stroke producing more torque and is well-suited to street-strip action. Thought they would both go same time. 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 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. Whereas Shelby had scrapped plans to redesign the 428s intake manifold a notorious choke point Tasca came up with a different idea. Unlike the 351, Ford based the 428 Cobra Jet and Super Cobra Jets on the FE series of engines. Dr. I spoke to Rob Celedon the other day and his SCJ car has the same stamp on the block. Cobra Jet Mustang production continued into 1970. Pictures of some of these parts can be found in the component identification section of this web site. 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. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. Welcome to Club Cobra! 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". Tasca had bolted 427 Low Riser cylinder heads on the 428, which really woke up this mill and gave it much better breathing capability while retaining the low-end torque the big FE was already noted for. In addition, when equipped with a 4-speed, the rear shocks were staggered. Come join the discussion about restoration, performance, modifications, classifieds, troubleshooting, maintenance, and more! The 406 was a serious development for Ford, as it catapulted them to NHRA and NASCAR victories in the mid-1960s. No other numbers are CJ. 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). In the 1969 Supercar Annual magazine, one ran a 13.94-second quarter-mile time, traveling 101.7 miles per hour. The big FE also became notorious as one of the powerplants for Carroll Shelby's outrageous big-block-powered version of the AC Cobra. In 1967, this changed when they put the first generation 390 big block in the Mustang. 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). Besides I have a reputation now First you have to start with the 428 v.s. The chambers were open head, which helped with emissions, and Ford fitted the Autolite/Ford 4300-D 750 cfm 4bbl carburetor to it. The big-block Chevy had the edge in breathing ability, but this move closed the gap between the two engines a great deal. Nineteen-seventy was the last year for the venerable FE-series big-block engine in the Mustang and Cougar. The increasing shift towards electric power plants makes it likely that any future Cobra Jets will be electric. In the go department, a real grabber (335 horses). Cobra Jet Crankshaft (engineering number detail) Two-bolt main block Between 345-360 horsepower 428 Super Cobra Jet Internal structure differences included Lemans type cap screw rods Very few were ordered because of the popularity of the new Mach 1 package. Sadly, Ford discontinued the 429 Cobra Jet Mustang and other CJ-powered cars halfway through 1971. However, in true Cobra Jet fashion, Ford underestimated the horsepower from the factory. The PI ran stock 390/428 heads, an aluminum intake, the same cam as the CJ and a 600 CFM carb. They were still rated the same 335 horsepower as the Cobra Jets, which was probably still underestimated by 100 horsepower. The Mercury division of Ford put the 428 Cobra Jet in their Comets and Cyclones, and Shelby used one for his new GT500KR (King of the Road). p.s. This explains why Ford went with the 390 in the Mustang instead of the 427. 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. 428 cobra jet vs. 460. i was wondering if a 428 cj or a 460 would be a better engine for a street rod. The 429ci Cobra Jet was a different entity entirely. Most 428s in 7 liter [COLOR=#0000ff! Ford released a few high performance variants of the 429, including the Boss 429 and the Cobra Jets. However, it wasnt Ford Engineers that first developed this impressive powerplant. Super Cobra Jet harmonic balancer counter weight, 2 Ford discontinued the 429 Cobra Jet and Super Cobra Jet options after 1971, largely due to the increasing emissions restrictions. 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. 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. The 428 Cyclone tipped the scales at 3,740 pounds, which helped give it momentum in the oval track, but held it back in the quarter-mile. Welcome to Club Cobra! In 1969, 10 different Mustang engine options were available. Needless to say, the success of the Cobra Jet package guaranteed its reappearance for the '69 model year. Chrysler had the 440ci RB wedge engine, not to mention the brutal 426ci hemispherical head motor known as the Hemi. The 429 is the same block as the modern 460 sold in Motorsport catalogs. There were slight differences in the base and higher trim Ford Cobra Jets, yet they were all rated the same 335 horsepower, likely meaning Ford was really sandbagging the numbers the whole time. 3) An oil cooler 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. - i dont know much about 428's but im looking into buying a boat that has a 428 in it. There was also the optional Ram-Air induction system that featured a newly designed air cleaner to draw in the coolest air possible, which was available for both models. Hi Keiththis Ford Article isn't the best scan I've ever done but the article is very, Location: Abe Lincolns Birthplace, If you want to discover which 428 Cobra Jet powered Fords were the fastest muscle cars, how the engine originated, which vehicles had it, and how the 428CJ differs from the 428SCJ, then read on. 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. Bought a new 69 Mach 1 and ran at the strip w best et 12.72. Oddly, however, Ford never revised the sandbagged horsepower claims. Starting in 1966, you could also get a 428 Police Interceptor (only sold to police entities). They have released new Cobra Jets every two years, with 2022 being the first exception so far. 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. Ford released new versions of the Cobra Jet Mustang in 2010, 2012, 2013, 2014, 2016, and 2018, making 50 annually. And this dealer-inspired Ford racing engine couldnt have appeared at a better time for the Ford Motor Company. I have a 428 FE engine in my car from back in the day (60's). 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. 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. It was built only in 1970-71. Past Cats: '69 Std. Block, heads, manifolds, etc. Ford had introduced the 385 series in 1968, and the 429 first appeared in the Thunderbird. A date code correct 69 428 block could be worth a decent buck. 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 The SCJ had beefier rods and an oil cooler. The 351 Cobra Jet was the final Cobra Jet engine that Ford released, and it lasted from 1971-1974. 428 Cobra Jet Standard was 2.09 inch intake and 1.66 inch exhaust valves. According to Ford themselves, independent dynos showed electric Cobra Jets making north of 1,500 wheel-horsepower. 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 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. Information provided by Phil Wassil and by Kevin Marti of Marti Auto Works documents Detroit Locker availability beginning around November 1969 - in the 1970 model year! 428CJ /SCJ cars used shock tower reinforcements, thicker front sway bars, and beefier springs and shocks. In fact, the 428 was listed at 335 hp, the same as the 390. In second place is the 1968 Ford Mustang 428 Cobra Jet. 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. Starting in February 1969 this complete package could be ordered as the "Drag Pack" option. 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. 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. Technically a midyear offering, the 1968 1/2 CJ combined 427 Low Riser heads, a cast iron copy of the aluminum 390 Police Interceptor intake manifold, the 390 GT's hot hydraulic cam, a healthy 735-cfm Holley four barrel, and streamlined exhaust manifolds to fight off the 396s, 440s and 400s from the competition. They were almost identical to the standard Cobra Jets, but had stronger internals. The engine was widely praised for its performance and design, and it was by far the most powerful Ford production motor available. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. A police interceptor may have an "A". In 1970, Ford began phasing out the FE engines in favor of the new 385 big block series of engines. 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. Typical Cobra Jet Crankshaft Several different cranks were used in 428 CJ and SCJ engines during the course of production. The most iconic are probably the Ford Cobra Jet Mustangs, which won numerous drag racing championships. In sixth place is the 1969 Mercury Cougar Eliminator. 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. * These are service part numbers, not engineering numbers. It also saw the addition of a new convertible body style with a power top. The 429 is known as a 385 family due, I believe, to the bore size being 385 centimeters. You cannot really compare 69 with the 74 cars. However, a 4-speed option was also available. One had spun on the crank bearing and all would have had to be resized, so Bill advised me. In the August 1968 issue of Super Stock & Drag Illustrated magazine, a 68 Cougar XR7-GT tripped the quarter-mile in 13.23 seconds, traveling at 103.4 miles per hour.
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