Jacobeder10

What’s up guys! I’m new to this Forum, came on here for your feedback. I recently got a 2008 Chevy Silverado with the 4.8 in it. I am experiencing low oil pressure after the truck warms up. Starts off in the morning around 40-42 then as truck warms up, drops all the way to 10psi. Truck runs perfect though, No low oil pressure light or signal on the dash, cluster is just reading 10-12 psi as truck warms up. I have changed the oil and used Mobile 1 filter, even bumped the oil up to 10w 30 instead of 5w 30. Replaced oil sending unit and screen. Dropped oil pan and replaced pickup tube and O ring. What else can i do? Appreciate all the help!