Since 1971, GM engines had been detuned to run on low-lead fuel.

Some owners have even been able to install the big-block GM engines such as the 396-454 in engines with minor modifications.

It was the only GM engine to meet US emission standards using a carburetor all the way up to 1990.

It was the first GM engine to use cast connecting rods.

It is famous for building the GM 3800 engine, one of the longest-produced automobile engines in history.

GM engines use the double overhead cam, varying both intake and exhaust for better performance.

Typical motors include the GM 602 and GM 604 engines.

The following year, GM engines lost horsepower, as they were made compatible with unleaded gas.

David uses GM engines that are tuned by Sean Wilson.

Nissan Australia, however, kept using the GM engines until the succeeding N14 version was introduced.