The 390 big-block version of the Mustang ran fairly well--well enough to post mid-15-second times in the quarter-mile. The Ford 428 Big Block V8 Birthed The Cobra Jet And - DrivingLine At the '68 NHRA Winternationals in Pomona, California, Ford entered a number of specially warmed-up '68 Cobra Jet Mustangs. The C blocks were later. It also saw the addition of a new convertible body style with a power top. I spoke to Rob Celedon the other day and his SCJ car has the same stamp on the block. Competition was tough in the late '60s, with both GM and Chrysler offering up serious big-block performance. FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - difference in 428 blocks? This was not enough to beat the big-block Camaro, however, which ran the quarter a full second quicker. The 396 was a durable and slightly detuned racing engine that ran very hard. Super Cobra Jet harmonic balancer counter weight, 4 1969 Ford Mustang Mach 1 428 Super Cobra Jet Muscle Car Of - YouTube With a bore and stroke of 4.36 X 3.59, the 429 has a larger bore but smaller stroke than the 428s. All this was none too soon. 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. The 428 uses a crank with a 3.98 inch stroke and a 390 has a 3.78 inch crank. Super Cobra Jet harmonic balancer counter weight, 1 The 429 is a 70 complete out of a Lincoln or some other 4 door. Yet, Ford did not use any of the second generation big blocks in pony cars like the Mustang at first. The Cobra Jets had three bolt caps instead of four like the Boss, and also did not have the screw-in freeze plugs like the Boss. 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. Carroll Shelby, Bob Tasca, and the Hybrid 427/428 Engines, Best Ford Fox Body Mustang Performance Upgrades. The 429 was not produced until 1969. 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. 428 junk or Cobra Jet? How to tell. | Vintage Mustang Forums In third place is the 1969 Ford Mustang Mach 1. YES! A fairly mild hydraulic cam combined with the good-guy Low Riser cylinder heads made for an engine with a flat torque curve and good horsepower numbers. What Is the Shelby GT500 KR Police Interceptor? | CJ Pony Parts It came in T-birds and full size Fords in the late 60's and early 70's. . Instead, Tasca Fordthe second-largest Ford dealership in the world in the 1960sinspired the 428CJ revolution. The basic casting is the same, but a 428 had a 4.13 inch bore and the 390 has a 4.05 bore stock. The real cobra jet block had reinforced webbing as well as a higher nickel content, i.e. All of this was a step in the right direction, but the '67 GT500 was still slower than the rip-snortin' 375hp 396 Camaro. * These are service part numbers, not engineering numbers. In 1969, Ford created an even higher performance version, known as the 428 Super Cobra Jet. The largest was the 390 cid, which Ford first brought out in 1961. Hi Keiththis Ford Article isn't the best scan I've ever done but the article is very, Location: Abe Lincolns Birthplace, Initially, Ford limited production to only 50, but later increased that by 250 due to popular demand. There was some overlap of the C and A markings on the rear block face which means many early CJ's have the A on the block while many police and pasenger 428 engines have the C marking. Say Cyclone CJ. The block and head are both cast iron, and the bore and stroke were 4.13 X 3.98. They had introduced the 385 series in 1968 to start replacing the outgoing FE series. Super Cobra Jet harmonic balancer counter weight, 3 Tim K, Cobra Make, Engine: Shell Valley- smallblock grenade w/ the pin pulled. Yet, in 2008, Ford brought back the Cobra Jet badging for its 40th Anniversary. Technically a midyear offering, the 1968 1/2 CJ combined 427 Low Riser heads, a cast iron copy of the aluminum 390 Police Interceptor intake manifold, the 390 GT's hot hydraulic cam, a healthy 735-cfm Holley four barrel, and streamlined exhaust manifolds to fight off the 396s, 440s and 400s from the competition. I am a 351W guy. Super Cobra Jets also had oil coolers as standard, which were options for the Cobra Jets. I actually have some kind of answer that I hope will help. Completely overhauled in 1968, the Mercury Cyclone underwent significant changes, including dropping the convertible and adding a fastback form. 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 A blocks were made until mid 1968 model year. Welcome to Club Cobra! Introduced in 1958 for service in fullsize Fords as well as the Thunderbird, the FE had seen a long and colorful career. However, there were a few key internal differences between the two engines. For a better experience, please enable JavaScript in your browser before proceeding. 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. 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 In the 60s-70s, Ford put the Cobra Jet and Super Cobra Jet engines in Mustangs, Thunderbirds, and of course, Cobras. 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.
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