difference between 428 and 428 cobra jet

. The difference in displacement between the two was achieved via stroke, with the 429 checking in at 3.590 . Say Cyclone CJ. Representation from nearly all Cobra/Daytona/GT40 manufacturers Help from all over the world for your questions Build logs for you and all members Blogs 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. 390 Vs 428 block | Vintage Mustang Forums Most of the published literature that I've read says that buyers of the locking 4.30:1 rear end gear also got a gear-driven Detroit Locker instead of Ford's clutch-packed Traction-Lok, but recent research leads me to believe that this is NOT the case! Ford discontinued the 429 Cobra Jet and Super Cobra Jet options after 1971, largely due to the increasing emissions restrictions. Ford released new versions of the Cobra Jet Mustang in 2010, 2012, 2013, 2014, 2016, and 2018, making 50 annually. It had four bolt mains, aluminum hemi-style heads and looked like no other engine. : For registered members this ad will NOT show, Cobra Make, Engine: Unique Motorcars (sold). The main bearing journal diameter measures between 2.7484 and 2.7492 inches. 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! All Rights Reserved. In the January 1969 issue of Popular Hot Rodding, a 69 Mach 1 CJ 428 ran a 13.69-second ET with a trap speed of 103.4 miles per hourmaking it the tenth fastest muscle car of 1969. 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. 428 cobra jet vs. 460. i was wondering if a 428 cj or a 460 would be a better engine for a street rod. They had introduced the 385 series in 1968 to start replacing the outgoing FE series. FE guys: Difference between 427 and 428 Cobra Jet? In 2020, Ford came out with the most unique Cobra Jet in history, the All-Electric Mustang Cobra Jet 1400. Welcome to Club Cobra! Though almost identical in displacement, Ford based the new 429 Cobra and Super Cobra Jets on the 385 series. 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. In 2020, Ford switched from massive superchargers to an all-electric platform, but dropped jaws by making 1,500 wheel-horsepower a worthy trade-off to get rid of the internal combustion engine.The future of the Cobra Jet is unknown, and its unclear whether Ford will ditch petrol for good and switch to electric, or if that was a one year anomaly. The "SUPER" mark does NOT mean that the pistons were used only in SCJs! Very rare and very expensive as only about 1,200 were made. Lots of people have different opinions about the "Drag Pack" option described above, what it included, and which cars it was available for. The connecting rod journal diameter measures between 2.4380 and 2.4388 inches. I am a 351W guy. . This victory was not lost on anyone--the public, the press, and Ford alike--much less the competition. It was a good-looking car featuring wide availability in its engine selection. In fifth place is the 1969 Mercury Cyclone CJ. Ford, realizing the sin of allowing the last Cobra Jet production engine to be the lukewarm 351 Cleveland Cobra Jet, finally revived the badging in 2008. 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. The differences for the SCJ were: 1) The beefer 427 "LeMans" connecting rods. The heads and intake were unique to the 428CJ. ** 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? A remedy was in the making, as the 428 Cobra Jet package for the Mustang began its metamorphosis. The 428 was basically a bored out 427, though it performed better and was more reliable. Carroll Shelby, famous for his GT350 version of the Mustang as well as for the Cobra, became involved when he decided to produce a big-block version of his Shelby Mustang GT series. It was powered exclusively by a 428 in either CJ or SCJ fashion. 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. Paul: Sorry to disagree. There is only one high-performance damper of the latter era: The SCJ damper, which has a heavy inertia ring, much like the LeMans. See if you can determine if these motors you are looking at are CJ's. Yet, in 2008, Ford brought back the Cobra Jet badging for its 40th Anniversary. Ford wanted to develop a new high-performance engine to help compete against other newly introduced pony cars that had stolen market share. - i dont know much about 428's but im looking into buying a boat that has a 428 in it. what's a 428 cobra jet engine worth | Hot Rod Forum The basic casting is the same, but a 428 had a 4.13 inch bore and the 390 has a 4.05 bore stock. You might as well lead the way. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. The World's largest document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Great article, but the 68 Cougar wasnt offered as a convertible! What's the difference between a 428, 428 Police interceptor, and a (The hood scoop works.) It was very similar to the standard 351 Cleveland engine, but with a few key differences. Compression ratios were lowered considerably, and with this, performance often went out the window. Both were used on 428 PI, passenger car and Cobra Jet applications. 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. 1969 Cobras are often mistakingly called Torino Cobras, which didnt appear until 1970. When I had Southern Automotive rebuild my engine, I delivered it to him with a set of LeMans rods. YES! The A blocks were the earlier type. In addition, when equipped with a 4-speed, the rear shocks were staggered. The 390 Mustang was getting abused at the drag strip by Chevrolets new 396 powered Camaro. . The difference was forged pistons, solid lifter cam and four bolt mains. 428 Cobra Jet: Top 8 Fastest 428 CJ Powered Muscle Cars Completely overhauled in 1968, the Mercury Cyclone underwent significant changes, including dropping the convertible and adding a fastback form. Last edited: May 19, 2013 FrozenMerc, May 19, 2013 SHARE POST #3 hoop98 Member The factory power rating seemed to be a typo. There is no word on when the next Ford Cobra Jet Mustang will be released, or even if there will be another one. This field is for validation purposes and should be left unchanged. You cannot really compare 69 with the 74 cars. 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). With more than 400 lb-ft available from 2,600 to 4,700 rpm, the Mach 1's tail is sure to be obscured in clouds of tire smoke. By 1975, the Ford Cobra Jet had ceased to exist in production. 429 Cobra Jet and Super Cobra Jet Vehicle Applications. * These are service part numbers, not engineering numbers. Ford Mustang Cobra Jet Engine - The History Of - MotorTrend 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. chuck, The same naming convention was applied to the 429 engine as well. 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. See if you can determine if these motors you are looking at are CJ's. The 428 also got a single snorkel air cleaner and had a Holley 735 cfm carburetor. Cobra Jet | Hot Rod Forum The value is markedly different (about double). Starting in February 1969 this complete package could be ordered as the "Drag Pack" option. Increased Ebay value in a few strokes of a hammer! SCJs seem to use the C6AE-E rod most frequently, though again I've seen written reference to a C9ZE-A rod that I haven't been able to confirm was ever actually factory installed. The cars ran very well and won in the Super Stock category that year. Well, there you have the top 8 fastest 428 Cobra Jets. It may be possible to mix components if every component of the reciprocating assembly is dynamically balanced, but why bother? The Boss and Cobra Jets had the same block with four bolt mains, short skirts, and thin wall castings. The 428 had a bore of 4.13" and a stroke of 3.98" and was produced from 1966 to 1970. 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. You can use the 428 crank in the 390 block and will end up with 410 cubic inches (Ford actually had a 410 for a couple years). FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - difference in 428 blocks? The 429 is known as a 385 family due, I believe, to the bore size being 385 centimeters. 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. 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". I want to register an account for free right now! Ford 428 Cobra Jet Engine Block & Cylinder Heads 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. 427 cobra jet vs a 69 boss 429 | Ford Mustang Forum The Mustang now had company in the ponycar market, and the new Camaro was no slouch. 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. I bought a 72' Thunderbird yrs ago it was still pretty powerful. 428 Cobra Jet History, by Bill Barr The Ford 428 Big Block V8 Birthed The Cobra Jet And - DrivingLine For improved high speed reliability, the SCJ used the . When the buyer selected the CJ option, the GT option became mandatory. It didnt come close to comparing with the 351 Boss, and was below even the standard 351 in performance. It was available in the new Camaro in 325-, 350-, and 375hp forms (a 425hp version had been available in the Corvette for '65). 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. The 428CJ also used a superior cast iron intake and better exhaust manifolds. 428 cobra jet vs. 460 - Club Cobra now if your talking 429scj vs. 428 scj i would give the nod to the 429scj. The A blocks were made until mid 1968 model year. the 428 CJ. Nineteen-seventy was the last year for the venerable FE-series big-block engine in the Mustang and Cougar. Super Cobra Jet horn jumper wire. All of this was a step in the right direction, but the '67 GT500 was still slower than the rip-snortin' 375hp 396 Camaro. You can have it straight (CJ 428) or with optional CJ 428 Ram, the breathtaker. 385cm = 151.6 inches. An improved crank and rods were also part of the deal. Two were offered for 428 Super Cobra Jet before and after that date. Block difference between a 428 and a 428 Cobra Jet - The FORDification In 1963, the 427 saw service in a series of lightweight Galaxies, which had seen some racing success despite their weight. The 351 Ford Cobra jet also had four-bolt mains, hydraulic valve lifters, high lift/duration cams, and larger valves than the standard 351. If I can, I will try to get a picture of the "SUPER" stamp to show. 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. Cobra Make, Engine: Posts: 717. If you don't put the 428 in it you should get a 460 instead of the 429 for even more power. By far and away the most common -- they made 100,000+ of these. 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 Also does the cj have a lot of low end. In seventh place is the 1969 Ford Fairlane Cobra. If you have, please consider sharing your information and pictures, if possible. I want to register an account for free right now! 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. Typical Cobra Jet Crankshaft Several different cranks were used in 428 CJ and SCJ engines during the course of production. The 715 was a Ford replica of a Rochester carb, and was fitted to the base Cobra Jets.

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