You need to provide just a little more information.
You said that when hot, the oil pressure drops to just above "1". If you are talking about while idling, thats OK. If at any speed above idle, it could be a problem. Oil pressure at any speed above idle should peg the gauge.
You said that when hot, the oil pressure drops to just above "1". If you are talking about while idling, thats OK. If at any speed above idle, it could be a problem. Oil pressure at any speed above idle should peg the gauge.