Can you run hydraulic roller lifters on a hydraulic flat tappet cam?
Can you run hydraulic roller lifters on a hydraulic flat tappet cam? It is possible to run hydraulic flat-tappet lifters on a solid flat-tappet cam, and hydraulic roller lifters on a mechanical roller cam. Running hydraulic lifters on a solid grind raises the rpm points at which peak power and torque occur compared to using solid lifters on the same solid cam. Do I need break in oil with a roller cam? Roller cams do not need to be broken-in, nor do they need any zinc in the oil, but ALL flat tappet cams need both. Do NOT break-in your...