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On 2007-03-06 16:14, v8shadow wrote:
Hmmmm. I thought that CJ 428s were all stronger due to increased ribbing of the block itself, for one.

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Yes the SCJ did have a stronger block...

...The SCJ's, had a purpose built block...but most of them have been replaced by now...

...they had additional webbing and reinforcement in the crank area. There was also some attempt at crank counterweights, probably to off-set the additional weight of the "LeMans" 427 rods used for strength. Its a whole 'nuther animal, for good information, you really need to do some detailed research. Depending on memory and half-forgotten facts, dates and part numbers will just cloud the issue. If you are actually interested in Cobrajets, super cobra jets - nothing beats doing the research yourself, that way you can concetrate on what you want to know instead having to wade through what someone else decides is important.


Ps. - unless I have my facts totally mixed up. The Thunder Jet was a 429, not a 428.

It too started out as Land Yatch big block. It, was part of the Lima engine series (370 thru 460), was the replacement for the FE series of engines. Even though the 70 CJ and SCJ line was rate at a higher horsepower, until a few years ago they were not as sought after or respected as the FE series. Probably because they didn't have the benefit of a factory racing heritage or something like the Cobra or a champion like Carroll Shelby to kick start the imagination of hormonal Teen-agers. Then there was the "little" gas crisis thing in the 70's, plus the insurance companies were just getting started on their 12 year campaigne to demonize any car that could get out of its own way...85 mph speedometers, insurance higher than your monthly car payment...sure could put a damper on a young boys dreams.

Obviously, that oversight has been corrected in the last 10 years or so. You can stroke the factory 429/460 block to nearly 600 cubic inches. The biggest, factory FE, tops out somewhere south of 500 ci.

_________________
..."Experience is the best teacher, A fool will learn by no other"..."He that is good for making excuses is seldom good for anything else”...“We are all born ignorant, but one must work hard to remain stupid.”--Benjamin Franklin, (1706-1790)

<font size=-1>[ This Message was edited by: Beoweolf on 3/7/07 9:07am ]</font>