77 Chevy C10 Pickup Specificationsby Vern Hee
Chevy developed the C/K designation for trucks in 1960. The "C" indicated the truck was a standard cab with two-wheel drive and the "K" was the designation for four-wheel drive trucks. In 1977, the Chevy C-10 half-ton truck had a redesign that changed the looks and power of the vehicle.
The Power Plants
The 1977 Chevy C-10 pickup truck was available with a choice of engines. The 4.1-liter 250-cubic-inch inline-six engine came standard in the C-10, and offered 100 horsepower at 3,600 rpm with 175 foot-pounds of torque at 2,000 rpm. An optional inline-six was 292 cubic inches and 4.8 liters with 120 horsepower at 3,600 rpm with 225 foot-pounds of torque at 2,000 rpm. The high-output 454 cubic inch 7.4-liter engine had 230 horsepower at 4,000 rpm with 355 foot-pounds of torque at 2,800 rpm. The medium output 350-cubic-inch engine had 155 horsepower at 3,600 rpm with 225 foot-pounds at 2,400 rpm. Finally, Chevy offered the 307 cubic inch with 115 horsepower at 3,600 rpm with 205 foot-pounds of torque at 2,000 rpm.
Body and Style
For 1977, body styles included a fleetside body, which was straight box, or a stepside body, which had a curve. The C-10 had two new wheelbases: one of 117.5 inches with a 6.5-inch bed, and 131.5 inches with an 8-foot bed. The truck had an overall length of 191.3 inches for the 6.5-foot bed and 212 inches for the 8-foot bed. The width in the front was 65.8 inches with a height of 65.8 inches. New styling included striping on the side and the hood. An optional extended cab was available.
In 1977, Chevy offered automatic door locks and powered windows for the first time. Chevy offered four different options packages, custom deluxe, Scottsdale, Cheyenne and Silverado. The Cheyenne package had bench seats and full-depth padded seats with backrests. The seats had an all-vinyl seat cover or vinyl and nylon cloth seat cover. Other features included custom steering wheel and an ashtray mounted cigar lighter. Options included power steering, power brakes, electric clock, heavy duty shocks and rally wheels.
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