The GMT 400 and similar GMT 480 was the platform for the 1988-1998 model year
Chevrolet C/K / GMC Sierra full-size
pickup truck
A pickup truck or pickup is a light-duty truck that has an enclosed cabin, and a back end made up of a cargo bed that is enclosed by three low walls with no roof (this cargo bed back end sometimes consists of a tailgate and removable covering) ...
s. The GMT 410, GMT 420, GMT 425, and GMT 430 were derived for full-size
SUVs, including the 1992–1994 Chevrolet Blazer and 1995–2000 Tahoe, and the GMC Yukon from late 1991 to 2000.
This was the first GMT designation for the C (RWD) and K (4WD/AWD) full-size trucks and SUVs.
The engineering for the GMT400 was done by the GM Truck & Bus group, working primarily out of a rented facility at Pioneer Engineering on 9 mile Road in Warren, MI.
GMT 400 frames were built by
A.O. Smith Automotive Products,
Dana Holding Corporation, and
Tower Automotive.
Engines included the gasoline 4.3L-V6, 5.0L-V8, 5.7L-V8, 7.4L-V8, and diesel 6.2L V8 and 6.5L V8. Throttle body(TBI) fuel injection was used on '88-'95 gas engines. CPI (central point injection) was used on the '96-'00 4.3L-V6, 5.0L-V8, 5.7L-V8, while the '96-'00 7.4L-V8 used SFI (sequential multiport fuel injection).
The GMT400 series was replaced by the GMT800 vehicles beginning in 1998 (for the 1999 model year). The GMT400 models were built at Ft. Wayne, IN, Pontiac, MI, Flint, MI, Oshawa, ON Canada, and Janesville, WI & Arlington, TX (SUVs).
Applications
File:1988chevtruck.jpg, 1988 Chevy K1500 Scottsdale 4x4 regular cab Sportside
File:Gmcsuburban.jpg, GMT400 GMC Suburban 1500 with aftermarket wheels
File:My95ChevyTahoe.JPG, 1995 Chevrolet Tahoe
See also
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GM GMT platform
GMT400.com an online forum for the 88-98 body style GM trucksGMT400 Upgrades and Performance Parts
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General Motors platforms