Low oil pressure at idle?

Just keep in mind the old rule of thumb...the engine only needs 10 psi per every 1000 rpm and it will live so, if your idle is 800 rpm then it only needs 8 psi to live at that rpm. The current engine in my Duster really tests that theory throughout the rpm range..lol.. It keeps going!!! It just needs to last until the other engine is ready.