Gunsons Colorplugs

A RANGE of inexpensive engine - test equipment is available from Gunsons, including the well known Colortune 500. To use the Colortune, one of the petrol vehicle's spark plugs......

Bosch

ROBERT BOSCH offers a complete range of electronic engine test equipment including three versions of the compact Motortester which are suitable for two, four, six or......

Speedograph

INTENDED mainly for spark ignition engines, the Electrotest instrument is available in several sizes to suit the type of operation. The larger bench model incorporates six......