[truckin 79]

Originally Posted by Dleslie212

I have a mechanical gauge on mine, although it’s a cheap one. But I’ll start off with around 40-50 psi when cold, and after running awhile can drop as low as 5-10 while idling. How big of a problem is this?

My 79 will do the same thing and have been wanting to throw a gauge on it to double check. When warm at idle my stock gauge will just be a tick above the 0 psi mark. I do not hear any ticking or thumping so I assumed oil pressure is okay. This is good info to know