While the 1970 Ford Mustang Mach 1 came in eighth place on this list, it came in 21st place in the fastest muscle cars of 1970 rankings. It also had improved exhaust manifolds and a 735 CFM carb (a slightly modified 780 with different booster venruris). 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. A police interceptor may have an "A". In fourth place is the 1968 Mercury 428 Cyclone GT. Sorry, here's the other page. The error is described on the owner's Marti report; here's an excerpt. Sold it, big mistake. 1968 through 1970 428CJ blocks were beefed up between the bores and main webbing areas for anticipated higher horsepower output. See if you can determine if these motors you are looking at are CJ's. Ford countered by introducing the FE-series 390ci V-8 engine for the '67 Mustang. For this family of motors, the SCJ actually got four-bolt mains and then there was that same 5 horsepower difference. 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. The 428, on the other hand, has a smaller bore and longer stroke producing more torque and is well-suited to street-strip action. See more Reply Save Like 1 The 406 was a serious development for Ford, as it catapulted them to NHRA and NASCAR victories in the mid-1960s. A different crankshaft and forged-aluminum pistons were also included. In order to keep the car eligible for the stock NHRA category, Ford capped power at 430 horsepower. Super Cobra Jet Crankshaft The heads ID themselves. But, from the factory it was never as powerful as the (solid lifter) 427. These only became available in the 1970 model year, as you noted. We have 2 blocks here-both are 428s but one has some additional webbing on the main bearings. I bought a 72' Thunderbird yrs ago it was still pretty powerful. 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. The table below summarizes the part differences between the two engines. Cast iron exhaust manifolds. Starting in February 1969 this complete package could be ordered as the "Drag Pack" option. I want to register an account for free right now! 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. 1969 Ford Mustang Mach 1 428 Super Cobra Jet Muscle Car Of - YouTube Instead, Tasca Fordthe second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. Not Ranked. chuck, The same naming convention was applied to the 429 engine as well. 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 '69-'70 Mustangs were nearly identical cars featuring minor cosmetic changes. The Cougar was available in either standard or XR-7 trim, with option packages including the GT and the performance-trim Eliminator. Welcome to Club Cobra! The 396 featured advanced-design, canted-valve cylinder heads that flowed like crazy and earned the name "porcupine" because of their splayed-valve arrangement. 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). 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. He had been involved in the Thunderbolt program back in 1964. 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. It was probably a case of "building out" soon-to-be obsolete 427 inventory. This marked the end of the original run of Ford Cobra Jet engines and vehicles. 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 1969 description says that the Drag Pack option is "Available only with 428 CID 4V Non-Ram or Ram Air engines" and "Not available with other optional ratio axles or air conditioner". Introduced in 1958 for service in fullsize Fords as well as the Thunderbird, the FE had seen a long and colorful career. 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 396 was a durable and slightly detuned racing engine that ran very hard. 1973-1974 351 Cobra Jets had smaller valves, which resulted in a drop in horsepower on some models to 245. The CJ came in the GTs place, powered by a 428CJ and a Spoiler variation that appeared midyear with a standard rear wing. 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). Compression was lowered from 10.7:1 to 9.0:1, and in 1971 it actually made 5 horsepower less than the standard 351 at 280 horsepower. These cars ran the quarter-mile in the mid-11-second range, quick by any standard. 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 428CJ also used a superior cast iron intake and better exhaust manifolds.

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