p.s. The 428 Police Interceptor Engine The 428 police interceptor engine could be found on both the 1967 Shelby GT500 and the 1968 GT500KR. A lot of people try to pawn off a 390 as a 428. the blocks are nearly identical and the stroke is close. The back of the CJ block should have a "C" cast or welded into the back of it. The 428 is a 1969 block no heads. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. The package was also available in the Torino, the Fairlane, and the Mercury Cyclone. . You true FE gurus can add/correct info to the above. It was very similar to the standard 351 Cleveland engine, but with a few key differences. Starting in February 1969 this complete package could be ordered as the "Drag Pack" option. Ford had introduced the 385 series in 1968, and the 429 first appeared in the Thunderbird. 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. 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. 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. Very rare and very expensive as only about 1,200 were made. The Ford Cobra Jets are some of the most iconic engines in Ford history, and have been since their release back in 1968. Over the years, Ford has produced some incredibly iconic cars and engines. I have a 428 FE engine in my car from back in the day (60's). 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. 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. The main bearing journal diameter measures between 2.7484 and 2.7492 inches. This explains why Ford went with the 390 in the Mustang instead of the 427. 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! When the Camaro hit the streets with a 396ci engine borrowed from the Chevelle parts bin, Ford knew it had competition. For Ford, this meant the venerable FE-series big-blocks, which had seen successful service in the Thunderbird as well as other car lines. It was probably a case of "building out" soon-to-be obsolete 427 inventory. I've heard this could be a Cobra Jet but I've also heard this might not be the case. We have 2 blocks here-both are 428s but one has some additional webbing on the main bearings. You might as well lead the way. now if your talking 429scj vs. 428 scj i would give the nod to the 429scj. 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. The 428 was basically a bored out 427, though it performed better and was more reliable. 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 . The 351 Cobra Jet was the final Cobra Jet engine that Ford released, and it lasted from 1971-1974. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. But of course, it was too late to change the name. YES! All this was none too soon. I've seen written reference to a C9AE-C rod also being used, but I've never been able to confirm an installation. Some SCJ block had the word "super" stamped on the rear. When I had Southern Automotive rebuild my engine, I delivered it to him with a set of LeMans rods. The 429 Ford Cobra Jet pumped out 370 horsepower, while the Super Cobra Jets pushed out 375 horsepower. The 396 was known in Bow Tie circles as the Mark IV and was further known as the "mystery motor" because it was developed in secret for the '64 Daytona 500. The 428 was a 4.130 bore and a 3.984 crank. Ford couldnt let the legacy of the Cobra Jet die with the 351, but it took quite some time to revive. The Q-code Cobra Jet 428 was rated at a very conservative 335hp @ 5600rpm. Kevin later explicitly confirmed that "Ford did not produce 69 4.30 vehicles with Detroit Lockers. Common to both were vital details such as camshafts, intake manifolds, valve and port sizes, and compression ratios. Carroll Shelby, Bob Tasca, and the Hybrid 427/428 Engines, Best Ford Fox Body Mustang Performance Upgrades. The 429 heads were incredibly free flowing, and in reality some of the best Ford big block heads ever created. Very few were ordered because of the popularity of the new Mach 1 package. The original production run only lasted for six years, from 1968-1974, but it made an incredibly outsized impact. These only became available in the 1970 model year, as you noted. Sales success of the Mustang had been phenomenal in its first two years, and Ford wanted more. While 1299 may seem like a lot( compared to the lightweight Galaxies, Thunderbolts, 427 Fairlanes and Boss 429's) it is a small fraction of the numbers . The real cobra jet block had reinforced webbing as well as a higher nickel content, i.e. Whereas Shelby had scrapped plans to redesign the 428s intake manifold a notorious choke point Tasca came up with a different idea. But there was one thing about the 428 CJ that left everyone puzzled. Ford execs got the word. Grue up with Ford FE. 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. 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. 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. According to statistics courtesy of Marti Auto Works and copyrighted, this car was built at the San Jose assembly plant on October 1, 1968. 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 The 429 is known as a 385 family due, I believe, to the bore size being 385 centimeters. In the March 1968 issue of Hot Rod magazine, a 68 Mustang CJ ran a 13.56-second quarter-mile time, traveling at 106.6 miles per hour. The difference was forged pistons, solid lifter cam and four bolt mains. So the question remains, how much horsepower does a stock 428 CJ really deliver? The 396 was a durable and slightly detuned racing engine that ran very hard. The value of a Cobra Jet will differ, depending on the body style, options, and year of the car. A police interceptor may have an "A". In fifth place is the 1969 Mercury Cyclone CJ. 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. In the January 1969 issue of Motor Trend magazine, a 69 Cyclone CJ 428SCJ ran a 13.86-second quarter-mile pass at 101.7 miles per hour. 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. Credit: CarsRememberWhenAutoSales/Wikipedia. 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). (REGISTERED USERS DO NOT SEE THIS POST/AD! Although the 390 had been offered in the Mustang, the FE had seen incarnations of up to 428 ci. In 1969, 10 different Mustang engine options were available. They have released new Cobra Jets every two years, with 2022 being the first exception so far. Then there was the 429 Cobra Jet (CJ). Performance options aplenty: tach, styled steel wheels, power front disc brakes, power steering, Traction-Lok differential (3.50, 3.91 or 4.30 axel ratios), bucket seats, racing mirroryou name it. A special option available for 1969 in the Cobra Jet Mustang included a 428 with internal modifications. There were three original Cobra Jets, the 351, 428, and 429. Two codes designated a CJ: the R code specified a Ram Air vehicle, while the Q code meant no Ram Air. The "SUPER" mark does NOT mean that the pistons were used only in SCJs! i am putting the motor in a FORD 1972 short bed single cab pickup. - i dont know much about 428's but im looking into buying a boat that has a 428 in it. Though almost identical in displacement, Ford based the new 429 Cobra and Super Cobra Jets on the 385 series. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The basic casting is the same, but a 428 had a 4.13 inch bore and the 390 has a 4.05 bore stock. If you have, please consider sharing your information and pictures, if possible. I've heard from others who've reported finding C6AE-C, C6AE-D, and C6AE-F rods in what they believe to be original engines. The program was engineered, designed, tested, validated, released, and certified between January 1967 and August 1968. The 429ci Cobra Jet was a different entity entirely. The 429 is a 70 complete out of a Lincoln or some other 4 door. The Ford Cobra Jet and Super Cobra Jet were introduced in 1970, and they were improvements over the 428s. The World's largest non biased Shelby Cobra related site! Yep, I'm a hack! 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. There was a special designation in the database to tell which cars had these installed". As referenced earlier, the 390 was a 4.050 bore and a 3.781 crank. The Cobra Jet (original 428) was put together from parts from the Ford parts bins, the rods and heads were used in earlier engines but aren't referred to by any other name than Cobra Jet since. The A blocks were made until mid 1968 model year. It came in T-birds and full size Fords in the late 60's and early 70's. Actually, rebuilding a 428 using modern methods costs significantly MORE than $2,500. Ford really got it right with the 1968 428 Cobra Jet (CJ). There is only one high-performance damper of the latter era: The SCJ damper, which has a heavy inertia ring, much like the LeMans. Additionally, Ford simplified several exterior styling features due to a sales dip in 1969 attributed to aggressive styling. Some SCJ block had the word "super" stamped on the rear. Register now for free! If you don't put the 428 in it you should get a 460 instead of the 429 for even more power. (The hood scoop works.) the 428 CJ. The 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. Both were used on 428 PI, passenger car and Cobra Jet applications. The 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. Nineteen-seventy was the last year for the venerable FE-series big-block engine in the Mustang and Cougar. Cobra Make, Engine: Previous ERA owner on break, Just a note on the LeMans rods. stronger. The front maintained a full-width grille with an updated horizontally slatted grille, and, in the rear, the Cougar now came equipped with taillight lenses that were concave instead of convex. The Super Cobra Jet, available only with a 3.91 or 4.30 rear axle ratio, included additional features. Right to the end in 1970, the 335hp rating stuck. The peak torque of 452.4-lb-ft at 3,700 rpm is also higher than Dearborn's claim of 445 lb-ft at 3,400. Super Cobra Jet harmonic balancer In various incarnations ranging from 332 ci all the way up to the 428, the FE was the heart and soul of many winning Ford-powered automobiles. 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. Dr. Increased Ebay value in a few strokes of a hammer! The factory power rating seemed to be a typo. : For registered members this ad will NOT show, Cobra Make, Engine: Unique Motorcars (sold). Compression ratios were lowered considerably, and with this, performance often went out the window. Regarding the 428, it also matters if the block is a true CJ block or a police interceptor block. Thought they would both go same time. However, the original Mustang platform, as popular as it was, could not accept the larger engines Ford already had in its product lineup, because the engine compartment was simply too small. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The birth of the Cobra Jet engine package from Ford was in response to external pressures. It also saw the addition of a new convertible body style with a power top. The car automatically became a Super Cobra Jet. The Ford 428 Super Cobra Jet was only available in the 1969 and 1970 model years. Introduced in 1958 for service in fullsize Fords as well as the Thunderbird, the FE had seen a long and colorful career. 1968 through 1970 428CJ blocks were beefed up between the bores and main webbing areas for anticipated higher horsepower output. While the engine was widely praised in car magazines for its performance, its large weight (720 lbs) was often chastised. If I can, I will try to get a picture of the "SUPER" stamp to show. Reportedly, they didnt even let Tasca leave with the car. Note that the reinforcement bracket used with the Super Cobra Jet horn arrangement appears to have been used only during the 1969 model year. The Cobra Jet 428 motors in Mustangs used heads from the 427, plus other enhancements to really put some hair on their chest. In the quarter-mile, a one-second difference is a lot of car lengths. While both shared the same advertised horsepower and torque figures, the 428SCJ wasnt available with air conditioning due to the engines oil cooler location. The 715 was a Ford replica of a Rochester carb, and was fitted to the base Cobra Jets. Cast iron exhaust manifolds. 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. Ford released the original 428 in 1966, and in 1968 the Cobra Jet variant was born. The SCJ block is the same as a CJ. one basic block for both the 429 and 460 with a 4.360-inch bore. The immaculate 1968 427 seen here powers Craig Keith's Cougar XR-7G and resides in West Brookfield. Now. 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. The problem with the 427 was that it was far too expensive to produce for use in a regular production car. In response to the Camaro, in mid-1967 Carroll Shelby created the first Shelby GT500 Mustang. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. Although these cars were slightly different than what would shortly be on the showroom floor, word was out that the Cobra Jet package was the way to go.

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