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The J-Body Organization
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What is a J-Body?

A "J-Body" or "J-car" is any of General Motors J-platform vehicles. These include the Chevrolet Cavalier, Pontiac Sunfire, Sunbird and J2000, Oldsmobile Firenza, Buick SkyHawk and Cadillac Cimarron. All of these vehicles, while appearing distinctly different from each other, share a common frame and body layout.

If you look at the fourth digit of the vehicle identification number (VIN) of any J-Body, you will find the letter "J" (surprise, surprise!).

GM uses a different letter to designate each platform it builds vehicles on, for example:

F: Camaro, Firebird.
N: Grand Am, Malibu, Alero
W: Grand Prix, Impala
Y: Corvette

Contrary to seemingly popular belief in some tuner circles that the J stands for "Junk", according to GM it is merely the platform designation - it doesn't actually stand for anything.

Created: 01-28-2005
Modified: 01-28-2005
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