Chevrolet small-block engine
In 1992, GM created a new-generation small-block engine called the "LT1 350", not to be confused with the high-output Generation I LT-1 of the 1970s. It displaced , and was a 2-valve pushrod design. The LT1 used a reverse-flow cooling system which cooled the cylinder heads first, maintaining lower combustion chamber temperatures and allowing the engine to run at a higher compression than its immediate predecessors.
Chevrolet
The basic Chevrolet small-block V8 design has remained in continuous production since its debut in 1955, longer than any other mass-produced engine in the world, although current versions share few if any parts interchangeable with the original. Descendants of the basic small-block OHV V8 design platform in production today have been much modified with advances such as aluminium block and heads, electronic engine management, and sequential port fuel injection. Depending on the vehicle type, Chevrolet V8s are built in displacements from 4.3 to 9.4 litres with outputs ranging from to as installed at the factory. The engine design has also been used over the years in GM products built and sold under the Pontiac, Oldsmobile, Buick, Hummer, Opel (Germany), and Holden (Australia) nameplates.