Oil pressure please help

fishy68 said
Your description of having 30 psi pressure at idle and 20 down the road is puzzling. Should be higher going down the road. I haven't even seen that happen when all the bearings are roached.

You ever seen that one Rick?

We could use a little clarification, for sure.....I took it as he meant more of a temp issue...30 cool/early & 20 hot/later........

If that's strictly going by rpm, then it would be unusual for sure. In that case, a overfill/foaming issue is all that comes to mind.