I recently got my first 80 and it had a blown HC gasket and a cracked head. I have a 92 with a 3FE. Got the FSM and and another head. It's all put back together and seems to be running well. One question I have though is this. While driving down the road, the oil pressure gauge shows normal. When I come to stop, the pressure goes down. As soon as I give it a little gas it goes right back to normal. Something else I have noticed, is that while running the AC I idle a little higher and the gauge stays normal at a stop. Since this is my first Cruiser, I am not sure if this is normal. Anyone have any ideas or experience with this before? Just wanting to make sure it's not something I need to worry about.