The arrangement for mounting a sparkplug of an internal combustion engine in accordance with the present claimed invention is that the sparkplug is mounted so that all of the outside electrodes are arranged in areas of a side of an intake port opening and/...

There is provided an improved method of detecting an occurrence of a knock in an internal combustion engine by detecting an ionic current flowing in a cylinder of the engine from initiation of combustion therein and judging a knock component overlapping th...

In a rear floor structure of a vehicle body wherein a rear floor panel (1) has raised parts (2) on either side thereof that protrudes upwards and a recessed part (3) between the raised parts (2) for providing a storage space, a rear floor cross member (6) ...