Testing 4-2-8How Much Horsepower Does the Ford 428 Cobra Jet Really Make? 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 basically a bored out 427, though it performed better and was more reliable. Two codes designated a CJ: the R code specified a Ram Air vehicle, while the Q code meant no Ram Air. one basic block for both the 429 and 460 with a 4.360-inch bore. 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. In response to the Camaro, in mid-1967 Carroll Shelby created the first Shelby GT500 Mustang. The 428 Cobra and Super Cobra Jets continued for 1970, but there was also a new 429 Cobra Jet now. 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 ? Ford created a few high performance variants of the 429, the Boss 429 and the 429 Cobra/Super Cobra Jets. Pictures of some of these parts can be found in the component identification section of this web site. 428 Police Interceptor, and 429 ThunderJet, used in big luxury cruisers. 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. . Whereas Shelby had scrapped plans to redesign the 428s intake manifold a notorious choke point Tasca came up with a different idea. Because of this, '69 Mustang GTs are collectors' favorites. This explains why Ford went with the 390 in the Mustang instead of the 427. Welcome to Club Cobra! In fact, the 428 was listed at 335 hp, the same as the 390. However, the Ford production database describes the car as having an S-code 3.50:1 traction-lok rear. Ford based the 429 Cobra Jets on their 385 series of V8 engines. In the quarter-mile, a one-second difference is a lot of car lengths. In 1964, the 427 was shoehorned into the Fairlane, Ford's midsized entry, between the Galaxie on the big end and the Falcon on the small. Comparison of Major 428 Engine Components, 1968 428 Cobra Jet Drag Strip Modifications, 428 CJ Mustangs at the 1968 NHRA Winternationals, Classic Mustang Warranty Plate/Certification Label Decoder, Cast iron, similar to PI with revised carburetor bore risers, relocated carburetor pad, and radiused riser to upper and lower logs to improve fuel/air distribution, Production 390 GT cast iron light car manifolds, Redesigned high flow, low restriction unique to the 428 CJ, Redesigned dual inlet with hot/cold start-up system. 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. I actually have some kind of answer that I hope will help. Finally, the PI and CJ blocks of a given era were the same. The 1969 Ford Fairlane Cobra was a 1969-only option and was available in either a Formal Roof Hardtop or a Fastback form. 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. These are a few ways you can tell. It may be possible to mix components if every component of the reciprocating assembly is dynamically balanced, but why bother? Though almost identical in displacement, Ford based the new 429 Cobra and Super Cobra Jets on the 385 series. 428 cobra jet vs. 460. i was wondering if a 428 cj or a 460 would be a better engine for a street rod. The 351 Cobra Jet is also known as the Q-Code 351, due to its RPO. The 428 Police Interceptor Engine The 428 police interceptor engine could be found on both the 1967 Shelby GT500 and the 1968 GT500KR. The World's largest Cobra Make, Engine: Previous ERA owner on break, Just a note on the LeMans rods. That didnt happen until 69. It was very similar to the standard 351 Cleveland engine, but with a few key differences. Originally available in any of the three Mustang body styles--coupe, fastback, or convertible--all '68 CJ Mustangs are highly sought after, even 30 years later. The rest of the info is the same. Your email address will not be published. I want to register an account for free right now! The heads and intake were unique to the 428CJ. Increased Ebay value in a few strokes of a hammer! The chambers were open head, which helped with emissions, and Ford fitted the Autolite/Ford 4300-D 750 cfm 4bbl carburetor to it. But there are other types of 428's and 429's floating around out there, built for different purposes, i.e. Midway through the 1967 model year, the 427 was swapped out for a newer 428 Cobra Jet engine equipped with a Holley four-barrel carburetor. Carroll Shelby, Bob Tasca, and the Hybrid 427/428 Engines, Best Ford Fox Body Mustang Performance Upgrades. all aluminum FE, Check the intake casting number, the head casting number and if the heads are of the bore and stroke. The 428 SCJ was first introduced during the 1969 model year. When identifying a Super Cobra Jet, you cant do it by the VIN as it shares the same R and Q code designations as the Cobra Jet. But it was the Camaro-Firebird that joined the Mustang in the ponycar class. The 429 heads were incredibly free flowing, and in reality some of the best Ford big block heads ever created. Unlike the 351, Ford based the 428 Cobra Jet and Super Cobra Jets on the FE series of engines. From 2008-2012, Ford used a supercharged version of their 5.4 L Modular V8. 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 428's and 429's most associated with Cougars are Cobra Jets. Craft notes that one significant change for 1970 was the inclusion of a rear sway bar for Cobra Jet Mustangs. It also saw the addition of a new convertible body style with a power top. There were three original Cobra Jets, the 351, 428, and 429. The World's largest non biased Shelby Cobra related site! 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. Now lets take a look at the various Ford Cobra Jet engines. (REGISTERED USERS DO NOT SEE THIS POST/AD! It was probably a case of "building out" soon-to-be obsolete 427 inventory. The Fora platform includes forum software by XenForo. What's the difference between a 428, a 428 Cobra Jet and a 428 SCJ? Or 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. This was not enough to beat the big-block Camaro, however, which ran the quarter a full second quicker. Super Cobra Jet Connecting Rod 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. Ford discontinued the 429 Cobra Jet and Super Cobra Jet options after 1971, largely due to the increasing emissions restrictions. 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 appears that Ford went through at least three piston designs during the 428 CJ and SCJ production run to address durability problems. Unless specifically noted this comparison does not include the parts that are unique to the 428 Super Cobra Jet engine. 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 stronger. Super Cobra Jet harmonic balancer counter weight, 1 : For registered members this ad will NOT show, Cobra Make, Engine: Unique Motorcars (sold). In 1969, Ford created an even higher performance version, known as the 428 Super Cobra Jet. I was wondering if anyone knows the difference between a regular 428 block and a 428 Cobra Jet block. Mixing SCJ and CJ parts can cause severe balance problems. By 1975, the Ford Cobra Jet had ceased to exist in production. There have been eight new models since then, culminating in the 50th Anniversary Cobra Jets for 2018. The 428, on the other hand, has a smaller bore and longer stroke producing more torque and is well-suited to street-strip action. 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.
South Florida Obituaries 2021,
2016 Chevy Cruze Catalytic Converter Recall,
Saints Draft Picks 2022,
How Much Horsepower Can A Honda Civic Cvt Handle,
Articles D