* 5.7L: This indicates the engine's displacement – 5.7 liters.
* SFI: This stands for Sequential Fuel Injection. This means that the fuel injectors are controlled individually, allowing for more precise fuel delivery to each cylinder for better performance and fuel economy compared to older carburetor systems.
* OHV: This stands for Overhead Valve. This refers to the valve train design, where the camshaft is located in the engine block and actuates the valves via pushrods and rocker arms. This is a relatively simple and robust design.
In short, it was a relatively common, relatively powerful, and reasonably fuel-efficient V8 engine found in various Pontiac vehicles during that era. It wasn't a high-performance engine in the same vein as some of Pontiac's other offerings, but it provided a good balance of power and practicality.
