The ________________   ______________ ring is usually a low-tension type of ring and has no significant gas pressure acting upon it.

The average compression ratio used by on-highway Di engines is:

Lean burn combustion chambers:

A “Parent Bore Block ” is

The precision measuring tool used to measure taper wear in a cylinder is called a ___________________  ______________ gauge.

DI combustion chambers use:

The abbreviation “DI” stands for:

Standard engine rotation according to SAE (Society of Automotive Engineers) standards is counter-clockwise from the flywheel end.

Trace the oil flow of the typical lubricating system starting with the sump.

Choose the answer that best describes the intake stroke.