Chevrolet"s C- and K-series van line is one of the oldest and also most storied of every the company"s offerings, remaining in manufacturing for every little bit as lengthy as the Camaro. Modularity and adaptability were vital components to the trucks" success; GM available the chassis in dozens of various configurations to suit every need. The C15 and K15 (or C1500 and also K1500) designations significant rides so-named as 1/2-ton models.

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The major difference between a "C" and "K" van is the C-models space two-wheel drive and K-models room four-wheel drive. In most other ways, the chassis are similar, v the same simple options, engines, transmissions and also amenities over most of the range. The biggest differences lie in the four-wheel-drive components and also associated suspension package.

GM didn"t use the "C" as the "conventional" designation because that the earliest of their two-wheel drive pickups, together it simply stands because that two-wheel drive. Chevrolet prefaced the truck"s number rating through a "K" to represent four-wheel drive models. The 10- and also 20-series pickups got coil springs every around, and also 30-series trucks gained leaf springs in the rear. Aside from the transport case and front axle, C- and K-series trucks were almost identical.

Oddly enough, the four-wheel-drive K-series was 5-1/2 inches reduced than the two-wheel-drive models, however a transmission-mounted deliver case allowed engineers to retain the exact same 12-1/2 inch ground clearance of previous models. Chevrolet"s 400-cubic-inch big-block to be an alternative on all but the 1971 K-series trucks.

All C- and also K-series trucks obtained a new high-strength frame, upgraded Hydro-Boost brakes and a choice of six- or eight-cylinder engines. The K-series new-process NP205 transfer situation remained tucked increase close to the truck"s floorboard, and also the K-series utilized a front sheet spring suspension instead of the C-series" elevation setup. The K-Series likewise came v an optional part-time four-wheel-drive system, and all K-series models used steel covers and skid key to protect exposed brake lines and also underbody components. The 1977 and later K-series acquired a heavy-duty Dana 60 former axle, while 1981 and also later models got a new "shift-on-the-fly" aluminum deliver case and automatic locking hubs. Diesels to be an alternative on two-wheel-drive models only until 1982.

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GM to reduce the live prior axle because that its new GMT400 platform, opting instead for a four-wheel live independence arrangement. The four-wheel drive sports appearance package to be an choice on four-wheel-drive models only, and also consisted mainly of black color bumpers and trim, wheel flares, mirrors and also custom-made 16-inch aluminum rims. Aside from the carry case and required drivetrain, fourth-generation C- and also K-series trucks were nearly identical.