Every one post your current oil pressure with what weight and kind of oil, at idle in the morning and at idle when its fully warmed up.

 

1995 5.0 103,000 miles
10-30w full synthetic
55psi in the morning, 40psi after its hot.

 

95 5.0
​​250k+ miles
15w40 Rotella
cold idle 45 psi
hot idle 25 psi
cold driving 50 psi
hot driving 40 psi

I quit using 10w30 when hot idle got below 12 psi
​​​​​fairly certain it wasn't treated the best before I got it, seeing as it had the factory installed spark plugs in it at 155k miles along with a serp belt that was almost totally gone (assuming it was original)

 

65 cold idle
35 hot idle
cold driving 55
Hot driving 45
88 f150 302 bored .040 over freshly rebuilt. Running 5w30 with zinc additive.
Trav

 

60psi cold idle.
30psi hot idle
Not sure on driving, didn't route the line through the firewall.
351W with ~1500 miles on rebuild, factory bearing clearances, 5w30.

 

96 f250 (Rebuilt 460 with 3,500 miles)

70 psi cold
65 hot driving
60 hot idle