On conventional engines, the preloa

On conventional engines, the preloading of the cylinder liner and the crankcase often results in liner bore distortion. Piston to liner contact and accelerated piston ring wear generally follow. On the AT-GL, bore distortion is virtually eliminated by the use of a water guide. This elastic casting allows for proper clamping of the liner while absorbing any deformation, creating stresses. In addition, the water guide provides cooling jacket water in the area above the ring travel belt, where the heat of combustion is the greatest. Therefore, piston ring temperatures are lower and ring life is longer.