ok all this is the query i was wondering about how much variance is normal in oil pressure for a 1988 rx7 just the gl modle nothing special ... but yeah if anyone can help me out it would be appreciated thnc for ur time

 

You need 10 psi for every 1000 rpmss. Normal is ~30 psi at idle, peak is ~65-70 psi.

Only worthwhile if you have an aftermarket gauge..