Still, it was the strongest American engine offered that year.

It was the best American air-cooled engine at the time, and passed its 50-hour test in 1922.

A good trial sets the great American engines of claptrap running out of control.

Carroll Shelby combined a British car body with a powerful American engine.

The American engine itself is hardly humming these days, as today's report of a sharp jump in unemployment indicates.

Most of these cars do not have the original American engines as spare parts for these are hard to get.

The American engines with a larger boiler capacity were able to reduce running times in the sections that contained many long banks.

There was talk that the American engine was again pulling the world back into acceptable growth patterns.

He is trying to find American engines so they can more quickly pass emissions tests and offer air-conditioning.

It all comes down to how much fuel is left for the final, American engine.