The "SUPER" mark does NOT mean that the pistons were used only in SCJs! This was the year that stricter emissions laws went into effect, and emphasis was shifting away from performance. In the quarter-mile, a one-second difference is a lot of car lengths. Ford initially created 50 base Mustangs (20 of which were factory lightweights) equipped with a 428CJ dressed in Wimbleton White, then delivered them to select Ford dealers nationwide to help spread the word on its new venomous creation. After some break-in miles, we'd likely see 375 hp and, with headers, yes, very likely 400 ponies. That is, the performance motors were either a CJ or a SCJ. They have released new Cobra Jets every two years, with 2022 being the first exception so far. YES! 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. The Police Interceptor contained an aluminum intake, high performance camshaft and beefier connecting rods to produce 360 hp. In the go department, a real grabber (335 horses). For example, the SCJ used race-proven 427 "LeMans" capscrew connecting rods with shorter bolt heads, whereas the standard CJ rod used a more common press-fit bolt and nut to retain the rod cap. The Mercury Cougar underwent styling updates in 1969, including transitioning to Coke bottle styling and eliminating side vent windows. The most iconic are probably the Ford Cobra Jet Mustangs, which won numerous drag racing championships. The Cobra Jet package added $287.60 to the sticker price of a Cyclone. The value of a Cobra Jet will differ, depending on the body style, options, and year of the car. At the '68 NHRA Winternationals in Pomona, California, Ford entered a number of specially warmed-up '68 Cobra Jet Mustangs. 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. Includes year, model, engine, 1/4 mile times, and moreabsolutely free! It also saw the addition of a new convertible body style with a power top. 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. 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. A true Cobra Jet block will have a C cast in the back the block where the bell housing bolts up. They had introduced the 385 series in 1968 to start replacing the outgoing FE series. 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. Everyone at Ford was confounded, and the brass didn't want to go back to the 427 because of the high cost of its heavy-duty internal components. While the Cyclone was named the fastest car of the year, having set a world record speed of 189.22 miles per hour at Daytona, the 428 version wasnt the fastest in the quarter-mile, achieving 18th place overall. Sales success of the Mustang had been phenomenal in its first two years, and Ford wanted more. None of the parts of the 428 SCJ reciprocating assembly interchange with their 428 CJ counterparts. You might as well lead the way. The 390 big-block version of the Mustang ran fairly well--well enough to post mid-15-second times in the quarter-mile. Because the NHRA used advertised factory horsepower and shipping weight claims to group vehicles into competition classes and categories, it paid to fib a little bit; 428 CJ-powered Mustangs and Fairlanes quickly became feared street and strip machines. The 428 also got a single snorkel air cleaner and had a Holley 735 cfm carburetor. If you want to discover which 428 Cobra Jet powered Fords were the fastest muscle cars, how the engine originated, which vehicles had it, and how the 428CJ differs from the 428SCJ, then read on. The 428 uses a crank with a 3.98 inch stroke and a 390 has a 3.78 inch crank. Both were used on 428 PI, passenger car and Cobra Jet applications. The 351 Cobra Jet is also known as the Q-Code 351, due to its RPO. If I can, I will try to get a picture of the "SUPER" stamp to show. In April 1968, Ford released its own version of the 428 engine and called it the Cobra Jet.. Lets look at the differences between a 428 Cobra Jet and the 428 Super Cobra Jet engine, shall we? 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). The CJ had the good heads, cam but had the iron intake. all aluminum FE, Check the intake casting number, the head casting number and if the heads are of the bore and stroke. Introduced at the height of the high-performance wars, big-block Cobra Jets acquitted themselves well in the Mustang and in other cars. For improved high speed reliability, the SCJ used the . Each engine was from a different Ford engine family, with the 428 and 429 both being big blocks. : For registered members this ad will NOT show, Cobra Make, Engine: Unique Motorcars (sold). Combined with their burgeoning competition with the new Chevy Camaro, Ford decided to put a modified 428 heavily based on Tascas 428 into the Mustang for 1968. non biased Shelby Cobra related site! Ford discontinued the 429 Cobra Jet and Super Cobra Jet options after 1971, largely due to the increasing emissions restrictions. Increased Ebay value in a few strokes of a hammer! The 1970 description says "Available only with 428 CID 4V Cobra or Cobra Jet engine" and "Not available on Boss 302, or with other optional ratio axles". Keith, Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31, also police interceptors had solid lifters and adjustable rockers---GT & CJ were hydraulic, Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader, Reading this brings up a question that I've always wondered about. Beyond that, the so-called Thunderbird 428 offered in fullsize Fords and T-birds made 345 hp, 10 more than the CJ despite its milder cam, low-rise iron intake, 446-cfm Ford 4300 series four-barrel carburetor, and clunky log-style exhaust manifolds. The axle code in the order image is "8" (which means 3.50:1 open) and the car's data plate has an axle code of "W". It came in T-birds and full size Fords in the late 60's and early 70's. The stage was set, and war was waged in earnest. The Mustang now had company in the ponycar market, and the new Camaro was no slouch. ID'd by D0VE-A and D1VE-AA casting numbers on the block and D0OE-R on the heads. A limited number of Cobra emblems placed strategically on the exterior warned people what lurked under the hood. For the 429 Ford Cobra Jet carbs, there were either 715 cfm or 780 cfm 4 bbl options. 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. A police interceptor may have an "A". In 2020, Ford came out with the most unique Cobra Jet in history, the All-Electric Mustang Cobra Jet 1400. Also does the cj have a lot of low end. The 429 was not produced until 1969. An improved crank and rods were also part of the deal. 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 C blocks were later. Ford rated the engine at 335 horsepower and 440 lb-ft of torque, but that was probably understated for insurance purposes. 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 429 is known as a 385 family due, I believe, to the bore size being 385 centimeters. Craft notes that one significant change for 1970 was the inclusion of a rear sway bar for Cobra Jet Mustangs. 428 FE police interceptor versus cobra jet - Club Cobra FE Forums sponsored by Keith Craft Inc. I want to register an account for free right now! Carroll Shelby, Bob Tasca, and the Hybrid 427/428 Engines, Best Ford Fox Body Mustang Performance Upgrades. There have been eight new models since then, culminating in the 50th Anniversary Cobra Jets for 2018. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. They were almost a direct fit, and Tasca called his new creation the KR-8 Mustang. Also i was wondering if you hopped them up which one would have more horsepower and which one you could rebuilbd for less money, and which one would be less maintenance? ), 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. Actually, rebuilding a 428 using modern methods costs significantly MORE than $2,500. 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. The real cobra jet block had reinforced webbing as well as a higher nickel content, i.e. The factory power rating seemed to be a typo. Just two years into production, Ford introduced the 429 Cobra Jet and Super Cobra Jet for compact and intermediate sized rides like Mustang, Torino, Cyclone, and Cougar. A date code correct 69 428 block could be worth a decent buck. Its outstanding showing, including a first place finish, and immediate fan reaction prompted Ford to put the engine in production Mustangs. (The hood scoop works.) The World's largest First you have to start with the 428 v.s. It was probably a case of "building out" soon-to-be obsolete 427 inventory. All of the new Ford Cobra Jets are supercharged, except the Cobra Jet TT from 2013 that has twin-turbos. Be sure to subscribe if you like content like this! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 390 and 428 are different. This package became notorious in slang as the Drag Pack. A remedy was in the making, as the 428 Cobra Jet package for the Mustang began its metamorphosis. 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. Mustang 428 Cobra Jet Service Parts Oil Level Indicator (Dip Stick) Oil Pan and Windage Tray Oil Pump Pistons Power Steering Fluid Cooler Power Steering Pump Radiator Radiator Cooling Fan Radiator Cooling Fan Shroud Radiator Fan Clutch Rear U-Joint Flange Reverse Lockout Rod (1970) Shock Tower Reinforcements Speedometer Gear Adapter 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. Hi Keiththis Ford Article isn't the best scan I've ever done but the article is very, Location: Abe Lincolns Birthplace, The Cobra Jet version of the 351 Cleveland was one of four 351 Clevelands Ford released that year. Sadly, Ford discontinued the 429 Cobra Jet Mustang and other CJ-powered cars halfway through 1971. All Rights Reserved. Upgrade available to low restriction ram air (seal to hood) and "shaker" hood with hot/cold start-up system, Larger bolts; SCJ had material addedto outside of big end, Retuned damper for strengthened crankshaft, Revised valve springs for higher valve toss speed (6700 RPM), Improved material with modified, polished backside fillet radius, Unique adapter with oil in and oil out provisions for external oil cooler (SCJ only), Unique high (90%+) nodular iron with 10,000 RPM burst strength; high RPM clutch assembly, Higher relief valve pressure, unique oil filter adapter, and external oil cooling (SCJ only), Automatic and manual transmission available, Automatic and manual transmission available. The SCJ had beefier rods and an oil cooler. The new 2008 Ford Cobra Jet Mustangs were built strictly for the drag strip, so they werent even given VINs. The 351 Ford Cobra jet also had four-bolt mains, hydraulic valve lifters, high lift/duration cams, and larger valves than the standard 351. Of course there's the Boss 429, but thats a horse of completely different color. 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. The package included special capscrew-type connecting rods borrowed from the Ford GT Mark IV 427 Le Mans engine. Upgraded C6 with higher shift speed and modified clutch packs, New 6" HG with miminal exhaust restriction mufflers and pipes, Revised for staggered shock absorbers to eliminate reverse gear tramping. The 428 was available as a 68 1/2, 68 and 70 model. 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. You cannot really compare 69 with the 74 cars. I want to register an account for free right now! The 427 boasted 390 hp, a full 55 more than you-know-who. If so, please consider sharing a picture. The problem with the 427 was that it was far too expensive to produce for use in a regular production car. Super Cobra Jets also had oil coolers as standard, which were options for the Cobra Jets. Most 428s in 7 liter [COLOR=#0000ff! 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. 22 Though some claim the 428 CJ actually made in excess of 400 hp, we observed 365.1 hp at 4,800 rpm, almost 10 percent more than advertised. Completely overhauled in 1968, the Mercury Cyclone underwent significant changes, including dropping the convertible and adding a fastback form. Ford branded the new 428 the Ford Cobra Jet engine, and they also put it in the Fairlane and Torino. I spoke to Rob Celedon the other day and his SCJ car has the same stamp on the block. You can have it straight (CJ 428) or with optional CJ 428 Ram, the breathtaker. The A blocks were made until mid 1968 model year. 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. However, it wasnt Ford Engineers that first developed this impressive powerplant. Instead, "Tasca Ford"the second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. The 428, on the other hand, has a smaller bore and longer stroke producing more torque and is well-suited to street-strip action. The Ford 428 Cobra Jet was the high-performance version of the 428 FE engine, quickly overtaking the low-revving 390 CID V-8 as the high-performance powerplant of choice. Some original SCJ blocks were stamped "super" on the front; if present, this marking was likely there to tell the original engine assemblers to use SCJ internals when building the engine (here's an example of such a stamping courtesy of Randy Pollock). The 1968 Mustang received several styling updates, including side scoops, steering wheel, side marker lights, and gas cap. But there was one thing about the 428 CJ that left everyone puzzled. Known as the Thunderbolt, this Fairlane saw very limited production and was built as a factory lightweight race car. Please notethe 428 and 429 are completely different classes or families of engines. Introduced during the 1969 model year, the 428 Super Cobra Jet used the same block as the Cobra Jet. In the 60s-70s, Ford put the Cobra Jet and Super Cobra Jet engines in Mustangs, Thunderbirds, and of course, Cobras. Ford gave the electric Cobra Jet its name because it produces 1,400 horsepower and 1,100 lb-ft of torque. The block and head are both cast iron, and the bore and stroke were 4.13 X 3.98. Grue up with Ford FE. 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. 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. In addition, when equipped with a 4-speed, the rear shocks were staggered. The big-block Chevy had the edge in breathing ability, but this move closed the gap between the two engines a great deal. 370 HP (likely underrated), thick strong blocks and massive ports int he heads. Bore and stroke was 4.0 X 3.5. Instead of a Cobra or Super Cobra Jet engine, the new Mustang Cobra Jets feature modified existing production engines. The 428 was basically a bored out 427, though it performed better and was more reliable. Note that the reinforcement bracket used with the Super Cobra Jet horn arrangement appears to have been used only during the 1969 model year. However, a 4-speed option was also available. 428 CU IN stuff I copied from the net: Introduced in 1966 Bore and stroke of 4.13X3.98 Cast iron crankshaft forged-steel connecting rods cast iron intake manifold 345 horsepower @ 10.5:1 compression ration Variations of the 428 existed throughout its' life span, including the 428 Police Interceptor, 428 Thunderjet and 428 Marauder. 1969 Ford Mustang Mach 1 428 Super Cobra Jet Muscle Car Of The Week Video Episode #91The Mach 1 handling and appearance package made for some good looking an. 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. At the same time, a Ford dealer named Bob Tasca was also looking to get more power out of his 390-powered Mustangs. The value is markedly different (about double). 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. The value is markedly different (about double). For the most recent 2018 Ford Cobra Jet, Ford used their modified Coyote variant, the 5.2 L Voodoo. Pictures of some of these parts can be found in the component identification section of this web site. The Cougar was available in either standard or XR-7 trim, with option packages including the GT and the performance-trim Eliminator. document.getElementById( "ak_js_3" ).setAttribute( "value", ( new Date() ).getTime() ); Get Your Top 50 Fastest Muscle Cars ChartFREE! The main bearing journal diameter measures between 2.7484 and 2.7492 inches. If you have, please consider sharing your information and pictures, if possible. This was remedied by the introduction of the all-new '67 Mustang. The 390 Mustang was getting abused at the drag strip by Chevrolets new 396 powered Camaro. 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 ? A police interceptor may have an "A". The big difference was the price (at $622, the 427 cost $188 more than the $434 428 CJ), transmission availability (the 427 was only teamed with the C6 automatic), carburetors (the 427's single Holley four-barrel rated 600 cfm, 135 less than the 428 CJ), and rated output. Additionally, Ford simplified several exterior styling features due to a sales dip in 1969 attributed to aggressive styling. 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. 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. 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. Connecting rod research seems to indicate that CJs used a variety of common high-end FE rods, with the C7AE-B rod being fairly common. Now lets take a look at the various Ford Cobra Jet engines. This field is for validation purposes and should be left unchanged. The big difference was the price (at $622, the 427 cost $188 more than the $434 428 CJ), transmission availability (the 427 was only teamed with the C6 automatic), carburetors (the 427's single. They were almost identical to the standard Cobra Jets, but had stronger internals. A special option available for 1969 in the Cobra Jet Mustang included a 428 with internal modifications. However, there have been multiple anniversary Ford Cobra Jets that have made sub-8 second quarter mile passes, showing there is serious room for modding. Two-bolt main block Between 345-360 horsepower 428 Super Cobra Jet Internal structure differences included Lemans type cap screw rods The program was engineered, designed, tested, validated, released, and certified between January 1967 and August 1968. The big reason a 428CJ makes more horsepower and torque than a PI is the superior heads. Two-bolt main block Between 345-360 horsepower 428 Super Cobra Jet Internal structure differences included Lemans type cap screw rods The capscrews were shorter than the 427's to clear the block Externally balanced External engine oil cooler Here is some 429 info I gleaned off the net: First was the base 429, known as the Thunder Jet (TJ). The 428 Police Interceptor Engine The 428 police interceptor engine could be found on both the 1967 Shelby GT500 and the 1968 GT500KR. 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. 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. Your email address will not be published. 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. While both shared the same advertised horsepower and torque figures, the 428SCJ wasnt available with air conditioning due to the engines oil cooler location. chuck, The same naming convention was applied to the 429 engine as well. Ford based the 429 Cobra Jets on their 385 series of V8 engines. Ford really got it right with the 1968 428 Cobra Jet (CJ). One had spun on the crank bearing and all would have had to be resized, so Bill advised me. It had four bolt mains, aluminum hemi-style heads and looked like no other engine. The CJ block differs from the plain 428 due to the additional webs cast into the main bearing saddles. 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 428CJ was available in nine Ford, Mercury, and Shelby muscle car models between 1968-1970. 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 . 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. non biased Shelby Cobra related site! 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). not a chance, the 428 scj would out pull the 460 hands down. That didnt happen until 69. 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. Some of the other unique facts about the 428 are that it's externally balanced and due to the different piston and connecting rod combos used by the factory. The smaller bore of the 428 was well within normal production line capabilities. 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! Compression was either 10.5:1 or 10.6:1, with 10.6:1 taking over from 1969-on. They were still rated the same 335 horsepower as the Cobra Jets, which was probably still underestimated by 100 horsepower. The 428 CJ cylinder heads featured an un-machined chamber of 73-76cc, 2.06" intake valves and 1.66" exhaust valves. The longer stroke (3.98 vs. 3.78 for the 427) gave the engine powerful low-end punch. - i dont know much about 428's but im looking into buying a boat that has a 428 in it. These are a few ways you can tell. Ford released a few high performance variants of the 429, including the Boss 429 and the Cobra Jets. There is only one high-performance damper of the latter era: The SCJ damper, which has a heavy inertia ring, much like the LeMans. 3) An oil cooler During the 1970 model year, "DETROIT LOCKER DIFFERENTIAL" appears on the invoice of vehicles that came with a factory Detroit Locker. Why wouldn't an aluminum headed 351W be the best option -- then you don't have to change the rest of the driveline. Common to both were vital details such as camshafts, intake manifolds, valve and port sizes, and compression ratios. So there was an overlapping period of perhaps a year from say June 1967 until June 1968 when both types were being made and used, apparently for both CJ and non - CJ applications. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. These cars ran the quarter-mile in the mid-11-second range, quick by any standard. Piston part numbers are marked (R) for red size and (B) for blue size to note options for selective fit based on normal production tolerances. I'm not going to provide an opinion, but I will show you how Ford Motor Company described this Mustang option on their 1969 and 1970 option price lists. The 428 Cobra Jet powered some of the fastest Ford Muscle Cars from 1968 to 1970, over nine Ford and Mercury models. The 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. w/sunroof, 69 XR7, '67 XR7, '68 Std., '70 Std. Never looked at or worked on any big block other than a 390. ID by casting number on the block of C9AE. massachusetts brady list essex county,

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difference between 428 and 428 cobra jet