Dose your LC varry in oil presure from hot to cold? Mine starts around 1/2 way on the dash gauge when cold and moves down to 1/4 or sometimes a little less when hot - like stuck in traffic or long highway run at 80 mph hot. Is this normal fro these engines? My pickup sits at 1/2 all the time running the same 5W30 synthetic oil. Does oil filter brand make any difference? What is everyone using for oil filters?