Technique
The hydraulic pot tappet is a part of the timing mechanism. The tappet working surface is ground and hardened, in some cases the tappet walls are equipped with a black protective lacquer (similar to the pistons). The transfer of the stroke of the cam to the valve is...
Technique
As part of the trend towards reducing exhaust emissions, a diesel injection method, known as Unit Injector System (UIS), has been developed for diesel engines of previous generations. It is no longer installed in new engines these days; however there are still a lot...