The piston rings are still making contact with the cylinder wall that is why you are not losing any oil. The skirt of the piston could be slapping away but the rings still have good contact with the cylinder wall
1992 Chevrolet C1500 Silverado
213,960 and counting 5.0 305.
My grandfather bought it brand new and my father bought it from him and know I have it. Grandfather/ Dad used an assortment of dino's every 3k for the first 150,000 and I've used M1 with KN filter every 3k since i've had it. doesnt...