difference between 428 and 428 cobra jetlonnie simmons obituary

difference between 428 and 428 cobra jetguinea pig rescue salem oregon

The 429 heads were incredibly free flowing, and in reality some of the best Ford big block heads ever created. The Ford 428 Big Block V8 Birthed The Cobra Jet And - DrivingLine After that nothing but C blocks were made. 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 V-code designated a 3.91:1 rear axle ratio, while the W-code meant a 4.30:1 rear axle ratio. 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. The 1969 Mercury Cyclone continued on the Montego platform in the fastback form, and the GT was no longer a model, available as an appearance-only package. 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. The 429ci Cobra Jet was a different entity entirely. It didnt come close to comparing with the 351 Boss, and was below even the standard 351 in performance. 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. By 1974 the emissions crap that was added to the engine killed the power. 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. It came in special Mustangs (and 2 Cougars) in 1969-70. Note that the explanation says that three other cars were built like this at San Jose! The company was aware of the new Camaro project brewing over at Chevrolet. Come join the discussion about restoration, performance, modifications, classifieds, troubleshooting, maintenance, and more! The 428SCJ used 427 LeMans connecting rods and different pistons, crank, wrist pins flywheel/flexplate, a cast-iron Police Interceptor intake manifold, and an engine oil cooler. Holley 735 CFM 4V (780 CFM modified with FT (Ford Truck) booster nozzles for improved atomization and emissions), 1.75" x 1.75" primary and secondary bores. First you have to start with the 428 v.s. 428 vs. 428CJ - 332-428 Ford FE Engine Forum 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. If you have, please consider sharing your information and pictures, if possible. The 351 Ford Cobra jet also had four-bolt mains, hydraulic valve lifters, high lift/duration cams, and larger valves than the standard 351. 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. The smaller bore of the 428 was well within normal production line capabilities. However, it wasnt Ford Engineers that first developed this impressive powerplant. As referenced earlier, the 390 was a 4.050 bore and a 3.781 crank. 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. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. They were still rated the same 335 horsepower as the Cobra Jets, which was probably still underestimated by 100 horsepower. 428 Cobra Jet Standard was 2.09 inch intake and 1.66 inch exhaust valves. Two codes designated a CJ: the R code specified a Ram Air vehicle, while the Q code meant no Ram Air. Welcome to Club Cobra! the 428 CJ. 1973-1974 351 Cobra Jets had smaller valves, which resulted in a drop in horsepower on some models to 245. Wow, look at me actually providing an answer instead of asking questions all the time! If I can, I will try to get a picture of the "SUPER" stamp to show. 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. 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. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. The Boss and Cobra Jets had the same block with four bolt mains, short skirts, and thin wall castings. In its August 1968 issue, Motor Trend Magazine reported a 13.86-second ET, traveling at 101.69 miles per hour. Whenever a differential with a gear ratio of 3.91:1 or 4.30:1 was ordered as an "optional axle ratio" at a cost of $6.53, a lot more than just lower gears came with the package. The 428 also got a single snorkel air cleaner and had a Holley 735 cfm carburetor. In third place is the 1969 Ford Mustang Mach 1. A special option available for 1969 in the Cobra Jet Mustang included a 428 with internal modifications. Difference between a 390fe and 428fe? - Club Cobra Finally, the PI and CJ blocks of a given era were the same. Competition was tough in the late '60s, with both GM and Chrysler offering up serious big-block performance. ). Besides I have a reputation now First you have to start with the 428 v.s. It came in T-birds and full size Fords in the late 60's and early 70's. 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. Lets look at the differences between a 428 Cobra Jet and the 428 Super Cobra Jet engine, shall we? non biased Shelby Cobra related site! Ford really got it right with the 1968 428 Cobra Jet (CJ). 428 Cobra Jet vs. 428 Super Cobra Jet Well, there you have the top 8 fastest 428 Cobra Jets. The back of the CJ block should have a "C" cast or welded into the back of it. Kevin later explicitly confirmed that "Ford did not produce 69 4.30 vehicles with Detroit Lockers. 1969 Cobras are often mistakingly called Torino Cobras, which didnt appear until 1970. Cast iron intake manifold identical to the aluminum one on the police interceptor. The increasing shift towards electric power plants makes it likely that any future Cobra Jets will be electric. In 1958, Ford introduced their first line of big block motors, known as the Ford FE engines. Known as the Thunderbolt, this Fairlane saw very limited production and was built as a factory lightweight race car. stronger. Compression ratios were lowered considerably, and with this, performance often went out the window. Additionally, Ford simplified several exterior styling features due to a sales dip in 1969 attributed to aggressive styling. 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. In the 60s-70s, Ford put the Cobra Jet and Super Cobra Jet engines in Mustangs, Thunderbirds, and of course, Cobras. Sadly, Ford discontinued the 429 Cobra Jet Mustang and other CJ-powered cars halfway through 1971. The 385-series 429 and 460 are also good street-strip engines, with their canted valves and large bearings. 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. 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). This explains why Ford went with the 390 in the Mustang instead of the 427. The 396 featured advanced-design, canted-valve cylinder heads that flowed like crazy and earned the name "porcupine" because of their splayed-valve arrangement. The heads and intake were unique to the 428CJ. Ford released the original 428 in 1966, and in 1968 the Cobra Jet variant was born. The baddest of them all is the Boss 429. In fact, Ford had seen the writing on the wall. The stage was set, and war was waged in earnest. The Mustang had grown bigger than ever, with a weight of nearly two tons. The A blocks were made until mid 1968 model year. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. Hi Keiththis Ford Article isn't the best scan I've ever done but the article is very, Location: Abe Lincolns Birthplace, . Whereas Shelby had scrapped plans to redesign the 428s intake manifold a notorious choke point Tasca came up with a different idea. Not too common, maybe a total production of 15,000. Instead, "Tasca Ford"the second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. 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. It also saw the addition of a new convertible body style with a power top. : For registered members this ad will NOT show. Ford had introduced the 385 series in 1968, and the 429 first appeared in the Thunderbird. To verify an original car, you can simply look at the vehicle identification number (VIN) on the dashboard. In 1969, 10 different Mustang engine options were available. 428 Cobra Jet Engine Detailing, Part 2 - MotorTrend We have 2 blocks here-both are 428s but one has some additional webbing on the main bearings. The 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. The 428's and 429's most associated with Cougars are Cobra Jets. 428 cobra jet vs. 460. i was wondering if a 428 cj or a 460 would be a better engine for a street rod. First, the 1969 price list: April 17, 1969 Mustang Drag Pack Option Description, June 1, 1970 Mustang Drag Pack Option Description, Cobra Jet Connecting Rod In fourth place is the 1968 Mercury 428 Cyclone GT. 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! They were the be-all and end-all of rods back in the sixties, but metallurgy has far surpassed them today. Bore and stroke was 4.0 X 3.5. Success at the track meant success at the dealership, and Ford knew this. In 1970, Ford began phasing out the FE engines in favor of the new 385 big block series of engines. 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. Not Ranked. not a chance, the 428 scj would out pull the 460 hands down. The 428 Cobra Jet powered some of the fastest Ford Muscle Cars from 1968 to 1970, over nine Ford and Mercury models. It may be possible to mix components if every component of the reciprocating assembly is dynamically balanced, but why bother? 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 406 was a serious development for Ford, as it catapulted them to NHRA and NASCAR victories in the mid-1960s. 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. 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. Its not very well known, but Ford also branded another Cobra Jet from 1971-1974 the 351 Cleveland. I want to register an account for free right now! The CJ came in the GTs place, powered by a 428CJ and a Spoiler variation that appeared midyear with a standard rear wing. 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. The Fora platform includes forum software by XenForo. all aluminum FE, Check the intake casting number, the head casting number and if the heads are of the bore and stroke. Lets check out the eight fastest Ford Muscle Cars powered by a 428CJ and 428SCJ, shall we? A different crankshaft and forged-aluminum pistons were also included. 428 FE police interceptor versus cobra jet - Club Cobra FE Forums sponsored by Keith Craft Inc. Ford had first introduced the public to the new Ford Cobra jet powered Mustangs at the 1968 NHRA Winternationals. In the quarter-mile, a one-second difference is a lot of car lengths. Ford 7-Liter Engines Deciphered: 427, 428, 429 | Themustangsource ), 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. Most estimates put the 1968 Ford Cobra Jet 428s at north of 400 horsepower. Ford wanted to develop a new high-performance engine to help compete against other newly introduced pony cars that had stolen market share. YES! He had been involved in the Thunderbolt program back in 1964. w/sunroof, 69 XR7, '67 XR7, '68 Std., '70 Std. What's the difference between a 428, a 428 Cobra Jet and a 428 SCJ? Or Good luck. Please notethe 428 and 429 are completely different classes or families of engines. It was only installed in mid-size (1970-71) and pony cars (1971 only). The 429 was not produced until 1969. As old as it is, all the valves, springs, retainers, locks, shafts, rockers, etc, should be replaced with at minimum, OEM quality (readily available through "normal" engine parts sources). More than 18,000 were installed in 1968-1970 Mustangs alone. Both were used on 428 PI, passenger car and Cobra Jet applications. Cast iron intake manifold identical to the aluminum one on the police interceptor. Ford Cobra Jet Guide - History, Specs, Engines - 1968-2020 428 Engine Specifications | Classic Cars - CarMemories.com valves), and the valves were closer together than on other FE heads so that the CJ . Ford execs got the word. Ford created a few high performance variants of the 429, the Boss 429 and the 429 Cobra/Super Cobra Jets. According to Ford themselves, independent dynos showed electric Cobra Jets making north of 1,500 wheel-horsepower. By 1975, the Ford Cobra Jet had ceased to exist in production. Ford was not caught in flagrante delecto, however. According to statistics courtesy of Marti Auto Works and copyrighted, this car was built at the San Jose assembly plant on October 1, 1968. The Mercury Cougar underwent styling updates in 1969, including transitioning to Coke bottle styling and eliminating side vent windows. 1969 Ford Mustang Mach 1 428 Super Cobra Jet Muscle Car Of - YouTube Two were offered for 428 Super Cobra Jet before and after that date. By far and away the most common -- they made 100,000+ of these. You can have it straight (CJ 428) or with optional CJ 428 Ram, the breathtaker. 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 Cobra Jets had three bolt caps instead of four like the Boss, and also did not have the screw-in freeze plugs like the Boss. The 1968 Mustang received several styling updates, including side scoops, steering wheel, side marker lights, and gas cap. There is only one high-performance damper of the latter era: The SCJ damper, which has a heavy inertia ring, much like the LeMans. Super Cobra Jet harmonic balancer counter weight, 1 Introduced in 1958 for service in fullsize Fords as well as the Thunderbird, the FE had seen a long and colorful career. They did have a few XR7-G Cougars built that came with the first factory retractable sunroof though! Block, heads, manifolds, etc. While the engine was widely praised in car magazines for its performance, its large weight (720 lbs) was often chastised. For a better experience, please enable JavaScript in your browser before proceeding. The differences for the SCJ were: 1) The beefer 427 "LeMans" connecting rods. Common to both were vital details such as camshafts, intake manifolds, valve and port sizes, and compression ratios. one basic block for both the 429 and 460 with a 4.360-inch bore. As mentioned, the 428 Ford Cobra Jets had 427-style heads, which had 2.09 intake valves and 1.66 exhaust controllers. http://www.mercurycougar.net/gallery/showgallery.php/cat/500/ppuser/5281/perpage/12/sort/1, http://www.428cobrajet.com/facts.html#five. The car automatically became a Super Cobra Jet. During the 1970 model year, "DETROIT LOCKER DIFFERENTIAL" appears on the invoice of vehicles that came with a factory Detroit Locker. A common misconception seems to be that SCJs were originally equipped with forged pistons and CJs were originally equipped with cast pistons. The following year, the Super Cobra Jet became an option. As it turned out, the 427 heads massively improved both low-end torque and top-end power on 428. 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. The C marking on the rear face of blocks predated the CJ era. 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. the 429 Thunderjet was an amazing engine,in 1981 when I was 16 I bought a 69 4 door Thunderbird for $500and OMG, that was the most powerful engine ever,it would burn the tires until it shifted into third gear. FE guys: Difference between 427 and 428 Cobra Jet?

Facts About The Okanogan Highlands, Articles D