Here is a LF3681 Fleetguard cut open. I installed a used 4.6L 3V Ford motor in a 2010 F150 4x4, supposed to be 50k on the motor, and put in 5qts of Havoline HM 5w20 and 1 quart of Valvoline straight 50, this was poured on the camshafts and timing chains. Replaced with the same filter and 5qts of...