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1990 – 1993 Chevy C1500 454SS

Friday, February 13th 2015. | Review, Silverado 1500

The 1990 through 1993 Chevy 454SS was a high performance variant of the GMT400 / Chevy C1500 platform. It was available as a 2WD model with a short box. The truck was powered by a 230 horsepower/385 ft-lb of torque 454 cu V8 (7.4 liters). It was backed by a 3-speed automatic Turbo Hydra-matic 400 and rear axle with a 3.73 ratio. It was unique to the 454SS, the axle was a 14-bolt semi-floating unit with standard Chevy 5 on 5-inch wheels. The suspension was tweaked as well with 32 mm Bilstein gas-filled shocks, a 32mm front stabilizer bar and 12.7:1 fast-ratio steering gear.

1992 Chevrolet C1500 454SS

1992 Chevrolet C1500 454SS

The exterior featured a unique front air dam with fog lights, “454SS” decals on the bed sides, red trim badges and a black grille, bumpers and mirrors. The truck was only available in Onyx Black with a Garnet Red cloth/black trim interior featuring high-back sport bucket seats and a center console.

1990 - 1993 Chevy 454SS Sport Truck Advertisement

1990 – 1993 Chevy 454SS Sport Truck Advertisement

In 1991 quite a few upgrades were done, power was increased by 25 hp for a grand total of 255 horsepower and torque was up to 405 ft-lb’s. Also the transmission was upgraded to a 4-speed unit, the 4L80E and the rear axle-ratio was lowered to 4.10:1 (from 3.73) for better performance off the line. Oddly a tachometer was added, which for some reason was omitted from the ’90 models. Finally, for 1991, a dual exhaust system was added.

1992 Chevy 454SS White Front

1992 Chevy 454SS White Front

The 454SS would continue to be produced till the 1993 with these features, including the addition of Summit White and Victory Red for 1992 and 1993. Finally sales numbers, they are very interesting, almost all units were sold in 1990 before all the upgrades to the 1991 model year. A total of 16,953 Chevy 454SS’s were sold with 13,748 of those being sold in 1990. The 1990 454SS could be had for an MSRP of $18,825.

1993 Chevy 454SS Red

1993 Chevy 454SS Red

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