What MDS lifters?
What MDS lifters? The MDS solenoids direct oil pressure to the lifters for each cylinder and that pressure pushes in locking pins that allow the lifters to 'collapse', so they no longer open the valves. The ECU also shuts off fuel and spark to the cylinders. Are there any lifters in the Dodge Ram? Really has no bearing on our lifters or such. DJ Maresco, Machoramdysavage and tidefan1967 like this. WY.Ram, blackbetty14, SilverFatBoy and 3 others like this. Every 5.7 or 6.4 is different for a simple reason. The parts that go into these engines and the assembly process, have...