At every other engine speed, the engine won't perform to its full potential.

Although all main engines performed as expected, an attitude control problem was reported in the second and third stages.

Make everything lighter - Lightweight parts help the engine perform better.

In the second test two months later, the engine performed greatly.

Internal-combustion engines won't perform in the thin mountain air of Denver like they will at sea level.

The bullet must have spent itself somewhere inside, but all the instruments looked good and the engines were still performing well.

Using all of this information, you can begin to see that there are lots of different ways to make an engine perform better.

The engine thus performs more similarly to that of the road car than the GT2 version.

The purpose of this comparison is to show how well the engine or vehicle performs.

The plane and its engine had performed as designed through more than 3,000 hours of flight.