1979-02-01

The General Motors 2.8 Liter 60° V-6 Engine Designed by Chevrolet 790697

The 2.8 Liter 60° V-6 engine discussed here is an all new design made specifically for the 1980 Citation type of GM vehicle.
This paper describes the technical features of the engine, and some of the development problems encountered and how they were solved. It also touches on the durability testing of the components and the total assembly.
Paramount design goals for this engine were, from the outset, maximum reliability with minimum weight. Further, compactness of the total dressed engine assembly was dictated by size and configuration of the drive train compartment in the vehicle. Serviceability, tooling, and possible future displacement and material changes also were important factors.
Extensive engine testing has demonstrated the desired reliability, as well as, very good power and specific fuel consumption. The overall weight, with the use of cast iron in both the cylinder heads and the block, fulfills the design goals.

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