In the go department, a real grabber (335 horses). After that nothing but C blocks were made. Also, the stroke on a 428 should be 3.98. all aluminum FE, Check the intake casting number, the head casting number and if the heads are of the bore and stroke. This explains why Ford went with the 390 in the Mustang instead of the 427. Grue up with Ford FE. I have a set of stamps capable of stamping SCJ or Holman Moody or anything else you like into a block. What Is the Shelby GT500 KR Police Interceptor? | CJ Pony Parts (REGISTERED USERS DO NOT SEE THIS POST/AD! Nineteen-seventy was the last year for the venerable FE-series big-block engine in the Mustang and Cougar. Cobra Jet engines received low-riser heads with a "rough-cast" combustion chamber (2.09int.-1.66ex. 1968 through 1970 428CJ blocks were beefed up between the bores and main webbing areas for anticipated higher horsepower output. - i dont know much about 428's but im looking into buying a boat that has a 428 in it. 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 smaller bore of the 428 was well within normal production line capabilities. Not too common, maybe a total production of 15,000. Ford released the original 428 in 1966, and in 1968 the Cobra Jet variant was born. The most comprehensive guide to detailing a 428 Cobra Jet ever published. For this family of motors, the SCJ actually got four-bolt mains and then there was that same 5 horsepower difference. The 428 also got a single snorkel air cleaner and had a Holley 735 cfm carburetor. Pontiac had its GTO as well as the new twin sister to the Camaro, the Firebird, and each was available with a 400ci engine. As it turned out, the 427 heads massively improved both low-end torque and top-end power on 428. 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. Ford had introduced the 385 series in 1968, and the 429 first appeared in the Thunderbird. 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. The 429 Ford Cobra Jet pumped out 370 horsepower, while the Super Cobra Jets pushed out 375 horsepower. Ford rated the engine at 335 horsepower and 440 lb-ft of torque, but that was probably understated for insurance purposes. Say Cyclone CJ. Difference between a 390fe and 428fe? - Club Cobra
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