Twenty three years later 1992 bought a 289 GT Coup but soon installed a FE with cylender head mods and solid roller cam have ran a best 1.33 60 foot and a 6.39 eighth mile. 1968 was the only second year of the Cougar, which only received minor revisions, including side marker lights and front shoulder belts. A remedy was in the making, as the 428 Cobra Jet package for the Mustang began its metamorphosis. I spoke to Rob Celedon the other day and his SCJ car has the same stamp on the block. Another Dumb Question: 428CJ vs 428SCJ - Club Cobra For the '70 Torino and Cyclone and the '71 Mustang and Cougar, the passing of the 428 meant a switchover to the new 385-series Ford big-block. A limited number of Cobra emblems placed strategically on the exterior warned people what lurked under the hood. Cobra Jet engines received low-riser heads with a "rough-cast" combustion chamber (2.09int.-1.66ex. No other numbers are CJ. 428 CJ's came in the 69 so it would be more correct as far as appearance goes. In the 60s-70s, Ford put the Cobra Jet and Super Cobra Jet engines in Mustangs, Thunderbirds, and of course, Cobras. The most comprehensive guide to detailing a 428 Cobra Jet ever published. (REGISTERED USERS DO NOT SEE THIS POST/AD! non biased Shelby Cobra related site! The 396 was a durable and slightly detuned racing engine that ran very hard. It was available in the new Camaro in 325-, 350-, and 375hp forms (a 425hp version had been available in the Corvette for '65). The SCJ had beefier rods and an oil cooler. You should feel lucky to have driven your 69 Bird. As a result, the 428 was less rev-happy but it gained a low-end torque punch that was absent in the 427. The 390 big-block version of the Mustang ran fairly well--well enough to post mid-15-second times in the quarter-mile. I have a 428 FE engine in my car from back in the day (60's). Even in 2022, almost six decades later, the Ford Cobra Jets are still lusted over today by generations of gearheads. Cobra Jet Crankshaft (engineering number detail) The car automatically became a Super Cobra Jet. In 1970, Ford began phasing out the FE engines in favor of the new 385 big block series of engines. Also, 1969 was the last year of production for the famous Mustang GT. Some SCJ block had the word "super" stamped on the rear. Super Cobra Jet Connecting Rod The World's largest 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! Initially, Ford limited production to only 50, but later increased that by 250 due to popular demand. They did have a few XR7-G Cougars built that came with the first factory retractable sunroof though! Ford branded the new 428 the Ford Cobra Jet engine, and they also put it in the Fairlane and Torino. The 429 heads were incredibly free flowing, and in reality some of the best Ford big block heads ever created. 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. 428 vs. 428CJ - 332-428 Ford FE Engine Forum Certainly the 428 was a torque machine, and if you had enough carburetor for about 5,000 rpms, that was about as fast you needed to spin that engine anyway. This marked the end of the original run of Ford Cobra Jet engines and vehicles. Pictures of some of these parts can be found in the component identification section of this web site. This is an internally ballance assy . It was very similar to the standard 351 Cleveland engine, but with a few key differences. Before being replaced by the April 1, 1968, arrival of the 428 CJ, the mighty NASCAR-inspired 427 gave one last gasp in detuned form. I want to register an account for free right now! Ford rated the engine at 335 horsepower and 440 lb-ft of torque, but that was probably understated for insurance purposes. 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. 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. The 428 Cobra Jet was born by drag racers at a Ford Dealership to nudge FoMoCo in the right direction when they needed it most to help recapture the pony car market. 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. (REGISTERED USERS DO NOT SEE THIS POST/AD! Needless to say, the success of the Cobra Jet package guaranteed its reappearance for the '69 model year. These are a few ways you can tell. If you have, please consider sharing your information and pictures, if possible. 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. Bought a new 69 Mach 1 and ran at the strip w best et 12.72. Craft notes that one significant change for 1970 was the inclusion of a rear sway bar for Cobra Jet Mustangs. The Mustang had grown bigger than ever, with a weight of nearly two tons. 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. In the go department, a real grabber (335 horses). Well, there you have the top 8 fastest 428 Cobra Jets. Super Cobra Jet Crankshaft not a chance, the 428 scj would out pull the 460 hands down. Last edited: May 19, 2013 FrozenMerc, May 19, 2013 SHARE POST #3 hoop98 Member The difference in displacement between the two was achieved via stroke, with the 429 checking in at 3.590 . This was not enough to beat the big-block Camaro, however, which ran the quarter a full second quicker. The new 2008 Ford Cobra Jet Mustangs were built strictly for the drag strip, so they werent even given VINs. p.s. 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 value of a Cobra Jet will differ, depending on the body style, options, and year of the car. The 429/460 is going to be the cheaper of the engines to build. The 429 was not produced until 1969. Ford had produced a 428ci version of the FE engine for fleet use in police cars and also for some of the fullsize luxury cars. The basic casting is the same, but a 428 had a 4.13 inch bore and the 390 has a 4.05 bore stock. 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. Is a "Q-code" a Cobra Jet and an "R-code" a Super Cobra Jet? | Mustang The original Ford Cobra Jets never made it past the 1970s, as increasing emissions restrictions and environmental and energy concerns ended up converging to squeeze the Cobra Jets out of existence. Fords Cobra Jet engines rivaled high output big blocks from General Motors and Chrysler, and finally made some Mustangs worthy of being called muscle cars. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Even an external oil cooler was part of the deal--not bad for $6.53. The 406 was essentially a bored 390, and in 1963 Ford went even bigger and bored the 406 out to 427 cid. The back of the CJ block should have a "C" cast or welded into the back of it. Now. 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. Right to the end in 1970, the 335hp rating stuck. The World's largest non biased Shelby Cobra related site! These had the larger 600 cfm 4100. However, it wasnt Ford Engineers that first developed this impressive powerplant. Because of the long throw, the 428 was more of a low rpm / torque motor were as the 427 was a high rpm race motor. Even less common with a production of maybe 3,000. The Cougar was available in either standard or XR-7 trim, with option packages including the GT and the performance-trim Eliminator. 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. But there was one thing about the 428 CJ that left everyone puzzled. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. Ford created a few high performance variants of the 429, the Boss 429 and the 429 Cobra/Super Cobra Jets. 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. While both shared the same advertised horsepower and torque figures, the 428SCJ wasnt available with air conditioning due to the engines oil cooler location. 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. 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. 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 actually have some kind of answer that I hope will help. By 1975, the Ford Cobra Jet had ceased to exist in production. 1968 was when the Cyclone lost its affiliation with the Comet nameplate, a good move considering it was on its way out entirely by 1969. The Mustang now had company in the ponycar market, and the new Camaro was no slouch. The big-block Chevy had the edge in breathing ability, but this move closed the gap between the two engines a great deal. The 351 Ford Cobra jet also had four-bolt mains, hydraulic valve lifters, high lift/duration cams, and larger valves than the standard 351. A common misconception seems to be that SCJs were originally equipped with forged pistons and CJs were originally equipped with cast pistons. YES! They did so to honor the 1968 Mustangs that won the NHRA Winternationals, and inaugurated the first Cobra Jet era. 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. 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! Many aficionados of the Cobra Jet Mustang consider the '70 version to be the nicest of all, combining the last year of the FE engine with the last year for the '69-'70 body style. Ford got down to business and began by beefing up the bottom of the 428 block casting, which included heavier main bearing caps. From 2008-2012, Ford used a supercharged version of their 5.4 L Modular V8. 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. It was probably a case of "building out" soon-to-be obsolete 427 inventory. 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. Kevin later explicitly confirmed that "Ford did not produce 69 4.30 vehicles with Detroit Lockers. All FE dampers are neutrally balanced, so all can be interchanged between motors if you understand the pulley requirements. The fifth digit in the VIN on any Ford from 1968-1970 tells you whether or not a vehicle came with this engine or not. I was wondering if anyone knows the difference between a regular 428 block and a 428 Cobra Jet block. You true FE gurus can add/correct info to the above. 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. Register now for free! Ford Cobra Jets came in either 351, 428, or 429 cid displacements, and there were also Super Cobra Jets, too. In the 1969 Supercar Annual magazine, one ran a 69 Cougar Eliminator ran a 13.90-second quarter-mile time with a 101.2 miles per hour trap speed. The C marking on the rear face of blocks predated the CJ era. Whereas Shelby had scrapped plans to redesign the 428s intake manifold a notorious choke point Tasca came up with a different idea. 1999 - 2022 Scott A. Hollenbeck. None of the parts of the 428 SCJ reciprocating assembly interchange with their 428 CJ counterparts. 428 FE police interceptor versus cobra jet - Club Cobra Introduced in 1958 for service in fullsize Fords as well as the Thunderbird, the FE had seen a long and colorful career. Comparison of Major 428 Engine Components - 428 Cobra Jet In 2020, Ford came out with the most unique Cobra Jet in history, the All-Electric Mustang Cobra Jet 1400. I am a 351W guy. The difference was forged pistons, solid lifter cam and four bolt mains. The value is markedly different (about double). 390 Vs 428 block | Vintage Mustang Forums Some SCJ block had the word "super" stamped on the rear. Yet, while they were considered big blocks, the first generation of the Ford FE never had displacements of larger than 400 cid. Cobra Jet | Hot Rod Forum Be sure to subscribe if you like content like this! 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. During the 1970 model year, "DETROIT LOCKER DIFFERENTIAL" appears on the invoice of vehicles that came with a factory Detroit Locker. If you don't put the 428 in it you should get a 460 instead of the 429 for even more power. . The 428 was a 4.130 bore and a 3.984 crank. Get The Top 50 Fastest Muscle Cars chart. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. 427 vs. 428 vs. 429 | Ford Muscle Cars Tech Forum Common to both were vital details such as camshafts, intake manifolds, valve and port sizes, and compression ratios. Your email address will not be published. In fact, Ford had seen the writing on the wall. All of this was a step in the right direction, but the '67 GT500 was still slower than the rip-snortin' 375hp 396 Camaro. Ford countered by introducing the FE-series 390ci V-8 engine for the '67 Mustang. 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. See more Reply Save Like 1 See if you can determine if these motors you are looking at are CJ's. 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
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