Anyone have any idea on why my oil pressure fluxuates?

It's at 30 untill i drive it for a while. It stays up around 30 when i'm driving, but when i come to a stop, it'll drop down to about nothing. I cant notice a difference on how it runs, but i could be wrong. I'm not driving it very much, could that have anything to do w/ it?

Or is my guage just freaked out?

It's a carbed 305.

 

Try replacing the sender. If that doesn't fix it, get a cheapie mechanical guage from Wal Mart or parts store and temp. install it and see if it does the same thing.

 

Alright, i guess i'll try it. I get paid friday, so i'll probably get it then. Thanks...

-slim