It has come to our attention that many of the top drag racing builders are overbalancing their engine assemblies. Basically, this is done to help high-rpm out-of-balance conditions and generate longer ...

This is a preview. Log in through your library . Abstract A flow model is presented that predicts the swirl and turbulent velocities in an open chamber, cup-in-piston I. C. engine. The swirl model is ...

The most economical way to convert truck and bus DI-diesel engines to natural gas operation is to replace the injector with a spark plug and modify the combustion chamber in the piston crown for spark ...