difference between 428 and 428 cobra jet

Now lets take a look at the various Ford Cobra Jet engines. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. In third place is the 1969 Ford Mustang Mach 1. 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. According to Ford themselves, independent dynos showed electric Cobra Jets making north of 1,500 wheel-horsepower. In 1969, 10 different Mustang engine options were available. The Cobra Jet package added $287.60 to the sticker price of a Cyclone. 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. The value is markedly different (about double). In the 1969 Supercar Annual magazine, one ran a 13.94-second quarter-mile time, traveling 101.7 miles per hour. A different crankshaft and forged-aluminum pistons were also included. The smaller bore of the 428 was well within normal production line capabilities. Yet, while they were considered big blocks, the first generation of the Ford FE never had displacements of larger than 400 cid. : For registered members this ad will NOT show, Cobra Make, Engine: Unique Motorcars (sold). Never looked at or worked on any big block other than a 390. Basically, a 428 is just a stroked 390, and tuned for massive torque over horsepower. Nineteen-seventy was the last year for the venerable FE-series big-block engine in the Mustang and Cougar. Actually, about 400 hp were on tap in this incarnation of the 428. Super Cobra Jet harmonic balancer counter weight, 4 However, a 4-speed option was also available. If the 69 428 is the real deal buy it. Sales success of the Mustang had been phenomenal in its first two years, and Ford wanted more. The Ford 428 Super Cobra Jet was only available in the 1969 and 1970 model years. 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). 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. Also, 1969 was the last year of production for the famous Mustang GT. Right to the end in 1970, the 335hp rating stuck. The Ford Cobra Jet and Super Cobra Jet were introduced in 1970, and they were improvements over the 428s. However, the Ford production database describes the car as having an S-code 3.50:1 traction-lok rear. The heads and intake were unique to the 428CJ. Register now for free! 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. Whenever a . The company was aware of the new Camaro project brewing over at Chevrolet. 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. In the quarter-mile, a one-second difference is a lot of car lengths. You should feel lucky to have driven your 69 Bird. This became a private war between the automakers. In addition, the Spoiler II was available in either a red or blue paint schemehonoring legendary NASCAR drivers Cale Yarborough and Dan Gurney, respectively. The value of a Cobra Jet will differ, depending on the body style, options, and year of the car. The most iconic are probably the Ford Cobra Jet Mustangs, which won numerous drag racing championships. Typical Cobra Jet Crankshaft Several different cranks were used in 428 CJ and SCJ engines during the course of production. 428 Vs 429 - Mercury Cougar Owners Be sure to subscribe if you like content like this! The CJ came in the GTs place, powered by a 428CJ and a Spoiler variation that appeared midyear with a standard rear wing. Carburetors Of The 428 - Dearborn Pit Stop Blog Ford had first introduced the public to the new Ford Cobra jet powered Mustangs at the 1968 NHRA Winternationals. 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. By far and away the most common -- they made 100,000+ of these. There have been eight new models since then, culminating in the 50th Anniversary Cobra Jets for 2018. 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. Most estimates put the 1968 Ford Cobra Jet 428s at north of 400 horsepower. A whole host of high-performance parts was available for the 396 from the Corvette larder, which further complicated matters in Dearborn. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. The A blocks were made until mid 1968 model year. I've seen written reference to a C9AE-C rod also being used, but I've never been able to confirm an installation. 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. Comparison of Major 428 Engine Components - 428 Cobra Jet What to look for when buying the brutish Ford Torino GT I want to register an account for free right now! In lieu of reverting back to the factory 428 head castings, Tasca put heads from the 427 instead. 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. all aluminum FE, Check the intake casting number, the head casting number and if the heads are of the bore and stroke. The 1969 description says that the Drag Pack option is "Available only with 428 CID 4V Non-Ram or Ram Air engines" and "Not available with other optional ratio axles or air conditioner". Block, heads, manifolds, etc. As with most deceptions, the ruse was quickly unmasked as the NHRA factored the 428 CJ into higher classes so it couldn't bully weaker machinery. The heads ID themselves. Ranging from common problems info to performance modification guides, we cover everything muscle car. Building Ford's Fabulous 429 Super Cobra Jet - OnAllCylinders Cast iron exhaust manifolds. That didnt happen until 69. Its not very well known, but Ford also branded another Cobra Jet from 1971-1974 the 351 Cleveland. Reportedly, Ford plans on getting even crazier with the electric Mustang Cobra Jet, shooting eventually for one that can hit the quarter-mile in less than 7 seconds. 428 Cobra Jet History, by Bill Barr Grue up with Ford FE. Crankshaft | Mustang 428 Cobra Jet Registry 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. 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. 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. 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. http://www.mercurycougar.net/gallery/showgallery.php/cat/500/ppuser/5281/perpage/12/sort/1, http://www.428cobrajet.com/facts.html#five. The big reason a 428CJ makes more horsepower and torque than a PI is the superior heads. Super Cobra Jet oil cooler adapter The 428 had a bore of 4.13" and a stroke of 3.98" and was produced from 1966 to 1970. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. Completely overhauled in 1968, the Mercury Cyclone underwent significant changes, including dropping the convertible and adding a fastback form. The 390 big-block version of the Mustang ran fairly well--well enough to post mid-15-second times in the quarter-mile. I actually have some kind of answer that I hope will help. Credit: CarsRememberWhenAutoSales/Wikipedia. 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. 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 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. YES! All FE dampers are neutrally balanced, so all can be interchanged between motors if you understand the pulley requirements. Cobra Jet engines received low-riser heads with a "rough-cast" combustion chamber (2.09int.-1.66ex. The difference in displacement between the two was achieved via stroke, with the 429 checking in at 3.590 . I want to register an account for free right now! Note that there is no mention of the Detroit Locker in the 1969 description, but it's clearly listed in the 1970 description.

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