PRESSURE COOLING ON WORLDISIASTERS
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A PRESSURIZED cooling system PA. has been introduced by Leyland Motors, Ltd., for home and export models in the Royal Tiger. Werldmaster range. All production chassis of this type are to incorporate the new system, which tests have shown to reduce consumption of lubricating oil, enhance engine life and prevent loss of coolant.
The system works at a pressure of 4 p.s.i. and eliminates the need for a larger, header tank, but includes an expansion tank that collects water ejected by expansion at high temperatures. The thermostat opens at 165' F., compared with 185' F. on previous models.
The company offer a conversion kit by means of which existing Worldmasters may be modified.