difference between 428 and 428 cobra jet

The GT500 wasnt quite as fast as the Camaros, though it was closer than the 390 powered Mustangs. A forum community dedicated to Mercury Cougar owners and enthusiasts. The longer stroke (3.98 vs. 3.78 for the 427) gave the engine powerful low-end punch. Carroll Shelby, Bob Tasca, and the Hybrid 427/428 Engines, Best Ford Fox Body Mustang Performance Upgrades. 427, 428, 429!!! Would someone please explain the differences of these Ford countered by introducing the FE-series 390ci V-8 engine for the '67 Mustang. The 428's and 429's most associated with Cougars are Cobra Jets. Instead of a Cobra or Super Cobra Jet engine, the new Mustang Cobra Jets feature modified existing production engines. What Is the Shelby GT500 KR Police Interceptor? | CJ Pony Parts Say Cyclone CJ. 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. I'm not sure about how well a 429/460 fits in '67-70's though. The CJ got the standard damper of '68-'76. 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. Right to the end in 1970, the 335hp rating stuck. 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. Difference between a 390fe and 428fe? - Club Cobra As mentioned, the 428 Ford Cobra Jets had 427-style heads, which had 2.09 intake valves and 1.66 exhaust controllers. The Fora platform includes forum software by XenForo. The 428 is a 1969 block no heads. 1968 through 1970 428CJ blocks were beefed up between the bores and main webbing areas for anticipated higher horsepower output. In lieu of reverting back to the factory 428 head castings, Tasca put heads from the 427 instead. Massachusetts. The 351 Cobra Jet is also known as the Q-Code 351, due to its RPO. The CJ came in the GTs place, powered by a 428CJ and a Spoiler variation that appeared midyear with a standard rear wing. 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. 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. Ford Cobra Jet 429-428-427 - CarMemories.com 428 cobra jet vs. 460. i was wondering if a 428 cj or a 460 would be a better engine for a street rod. Basically, a 428 is just a stroked 390, and tuned for massive torque over horsepower. Cast iron exhaust manifolds. In 1958, Ford introduced their first line of big block motors, known as the Ford FE engines. The cast iron intake manifold was a high-rise style, which was exceedling heavy at 90 lbs. Besides the T-Bird, there were Galaxies, Thunderbolt Fairlanes, Mustangs, Torinos, and both the AC Cobra and GT 500 Shelbys. After that nothing but C blocks were made. The 428 uses a crank with a 3.98 inch stroke and a 390 has a 3.78 inch crank. The 390 big-block version of the Mustang ran fairly well--well enough to post mid-15-second times in the quarter-mile. Comparison of Major 428 Engine Components - 428 Cobra Jet 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. Some SCJ block had the word "super" stamped on the rear. The heads and intake were unique to the 428CJ. The real cobra jet block had reinforced webbing as well as a higher nickel content, i.e. 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 SCJ block is the same as a CJ. Yet, in 2008, Ford brought back the Cobra Jet badging for its 40th Anniversary. YES! The 396 featured advanced-design, canted-valve cylinder heads that flowed like crazy and earned the name "porcupine" because of their splayed-valve arrangement. 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. Ford released a few high performance variants of the 429, including the Boss 429 and the Cobra Jets. But, for many, it was far too inconspicuous for them to realize it before seeing its taillights. 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 428 had a bore of 4.13" and a stroke of 3.98" and was produced from 1966 to 1970. It appears that Ford went through at least three piston designs during the 428 CJ and SCJ production run to address durability problems. In its August 1968 issue, Motor Trend Magazine reported a 13.86-second ET, traveling at 101.69 miles per hour. 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. 385cm = 151.6 inches. These cars ran the quarter-mile in the mid-11-second range, quick by any standard. For example, the SCJ used race-proven 427 "LeMans" capscrew connecting rods with shorter bolt heads, whereas the standard CJ rod used a more common press-fit bolt and nut to retain the rod cap. The 428 was basically a bored out 427, though it performed better and was more reliable. The Thunderbolt proved to be a very fast factory team drag racer--and proved again that the FE engine could be a formidable competitor. The 351 Ford Cobra jet also had four-bolt mains, hydraulic valve lifters, high lift/duration cams, and larger valves than the standard 351. The error is described on the owner's Marti report; here's an excerpt. Yet, Ford did not use any of the second generation big blocks in pony cars like the Mustang at first. Ford was not caught in flagrante delecto, however. chuck, The same naming convention was applied to the 429 engine as well. According to the excellent Boss and Cobra Jet Mustangs by Dr. John Craft, this is how the Cobra Jet was born. The 428CJ also used a superior cast iron intake and better exhaust manifolds. A limited number of Cobra emblems placed strategically on the exterior warned people what lurked under the hood. The 428's and 429's most associated with Cougars are Cobra Jets. Competition was tough in the late '60s, with both GM and Chrysler offering up serious big-block performance. By far and away the most common -- they made 100,000+ of these. 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. The 428, on the other hand, has a smaller bore and longer stroke producing more torque and is well-suited to street-strip action. Known as the Thunderbolt, this Fairlane saw very limited production and was built as a factory lightweight race car. The 427 boasted 390 hp, a full 55 more than you-know-who. 428CJ /SCJ cars used shock tower reinforcements, thicker front sway bars, and beefier springs and shocks. For Ford, this meant the venerable FE-series big-blocks, which had seen successful service in the Thunderbird as well as other car lines. 428 Cobra Jet Engine Detailing, Part 2 - MotorTrend The Cobra Jet version of the 351 Cleveland was one of four 351 Clevelands Ford released that year. 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. 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. From 2013-2016, they used the 5.0 L Coyote engine as their powerplant. 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 When the Camaro hit the streets with a 396ci engine borrowed from the Chevelle parts bin, Ford knew it had competition. Like the Chevy L-88 was 5 hp less than the trip set up Corvettes, because they lied their ass off to keep people from buying the L-88 who didn't know what they were getting into. They have released new Cobra Jets every two years, with 2022 being the first exception so far. A lot of people try to pawn off a 390 as a 428. the blocks are nearly identical and the stroke is close. In third place is the 1969 Ford Mustang Mach 1. In fourth place is the 1968 Mercury 428 Cyclone GT. While both shared the same advertised horsepower and torque figures, the 428SCJ wasnt available with air conditioning due to the engines oil cooler location. 428 cobra jet vs. 460 - Club Cobra Your email address will not be published. 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. Testing 4-2-8How Much Horsepower Does the Ford 428 Cobra Jet Really Make? In April of 1968, when the Cobra Jet Mustang hit the showroom floor, it sold like blueberry pancakes. If so, please consider sharing a picture. All Rights Reserved. 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. 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. 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 package was also available in the Torino, the Fairlane, and the Mercury Cyclone. But times were changing, and sales were soft for performance cars across the board, and not just at Ford. In 1968, Ford released the first versions of their now famed V8 Cobra Jet engines. The heads ID themselves. Over the years, Ford has produced some incredibly iconic cars and engines. 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. Not Ranked. These only became available in the 1970 model year, as you noted. The World's largest 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. Additionally, Ford simplified several exterior styling features due to a sales dip in 1969 attributed to aggressive styling. The C marking on the rear face of blocks predated the CJ era. The Ford Cobra Jets are some of the most iconic engines in Ford history, and have been since their release back in 1968. If I can, I will try to get a picture of the "SUPER" stamp to show. They did so to honor the 1968 Mustangs that won the NHRA Winternationals, and inaugurated the first Cobra Jet era. Cobra Make, Engine: Previous ERA owner on break, Just a note on the LeMans rods. Even an external oil cooler was part of the deal--not bad for $6.53. Without a wink or a nod, Ford claimed the new CJ made 335 hp at 5,600 rpm and 445 lb-ft of torque at 3,400 rpm. Your email address will not be published. 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 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. Included in any Cobra Jet package was a choice of the durable Top Loader four-speed transmission or a heavy-duty C6 three-speed Cruise-O-Matic, and of course the famously sturdy 9-inch rearend. The PI ran stock 390/428 heads, an aluminum intake, the same cam as the CJ and a 600 CFM carb. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. It came in T-birds and full size Fords in the late 60's and early 70's. Cobra Jet Mustang production continued into 1970. The Cobra Jet 428 motors in Mustangs used heads from the 427, plus other enhancements to really put some hair on their chest. The big FE also became notorious as one of the powerplants for Carroll Shelby's outrageous big-block-powered version of the AC Cobra. The Super Cobra Jet, available only with a 3.91 or 4.30 rear axle ratio, included additional features. Be sure to check the bore 4.13 and measure the distance between the cylinder cores. 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! The 428 CJ and SCJ blocks have extra main bearing webbing and thicker main caps than the normal 390 or 428. 428 vs. 428CJ - 332-428 Ford FE Engine Forum 428 junk or Cobra Jet? How to tell. | Vintage Mustang Forums Of course there's the Boss 429, but thats a horse of completely different color. 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. ** 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? Super Cobra Jet harmonic balancer counter weight, 2 You might as well lead the way. 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 Sold it, big mistake. FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - difference in 428 blocks? 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. Luckily, Tasca Ford pioneered a high revving 428 engine nicknamed the KR-8 as a direct replacement for the low-revving 390 FE engine. I spoke to Rob Celedon the other day and his SCJ car has the same stamp on the block. I'm not going to provide an opinion, but I will show you how Ford Motor Company described this Mustang option on their 1969 and 1970 option price lists. Ford rated the engine at 335 horsepower and 440 lb-ft of torque, but that was probably understated for insurance purposes. Register now for free! However, the Ford production database describes the car as having an S-code 3.50:1 traction-lok rear. They were almost identical to the standard Cobra Jets, but had stronger internals. (REGISTERED USERS DO NOT SEE THIS POST/AD! This field is for validation purposes and should be left unchanged. The C blocks were later. Whenever a . 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. 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. 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". In April 1968, Ford released its own version of the 428 engine and called it the Cobra Jet.. A date code correct 69 428 block could be worth a decent buck. By 1975, the Ford Cobra Jet had ceased to exist in production. Because of this, '69 Mustang GTs are collectors' favorites. The World's largest The baddest of them all is the Boss 429. Introduced during the 1969 model year, the 428 Super Cobra Jet used the same block as the Cobra Jet. In order to keep the car eligible for the stock NHRA category, Ford capped power at 430 horsepower. It was very similar to the standard 351 Cleveland engine, but with a few key differences. . I won Winter Nationals at Beeline Dragway in DStock Class at 13:05 118 mph in 1970 with my 428 CJ Mach. 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. stronger. The 429ci Cobra Jet was a different entity entirely. Instead, Tasca Fordthe second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. 1999 - 2022 Scott A. Hollenbeck. Some SCJ block had the word "super" stamped on the rear. not a chance, the 428 scj would out pull the 460 hands down. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Great article, but the 68 Cougar wasnt offered as a convertible! non biased Shelby Cobra related site! Ford had introduced the 385 series in 1968, and the 429 first appeared in the Thunderbird. But, from the factory it was never as powerful as the (solid lifter) 427. Register now for free! 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. Most of the differences have been listed except for one major difference. The Mustang had grown bigger than ever, with a weight of nearly two tons. The V-code designated a 3.91:1 rear axle ratio, while the W-code meant a 4.30:1 rear axle ratio.

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