high oil pressure

Hello, My '98 V10 (135K miles) oil pressure is always about 3/4 up the gauge. When you start up, it goes straight to that spot and stays there, regardless of RPM. On rare occasions, it will drop to about the 1/2 point on the gauge, usually after some heavy foot driving. Where can i start the...

Hello im new here and have a question. Got in my truck this mornin and got about a block away from home and realized i had high oil pressure so i returned home and checked the oil and it is not over full. So I started the truck again and it goes to about 40-45 and then slowly rises to about...