Engine Identification

NET HORSEPOWER & TORQUE NOTE 

Horsepower and Torque figures given above are NET. Net Horsepower and Torque represents power at the flywheel when the engine is installed in a vehicle, with wide open throttle and all systems operating such as; air cleaner, exhaust system, water pump, generator, oil pump and air conditioning. 

Engines are identified by code letters in production code number located on engine. Number is stamped in pad on left front side of engine, next to front engine cover. On some Oldsmobile models, number may be found on left side of engine block below front spark plug.