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steven h
03-11-2024, 17:25
Good evening folks, my first post related to my first Duramax engine.
Information:

2007 2500HD with the duramax engine
6.6L engine says it on top of engine cover
Original 26,000 miles on it
On my way home I notice the oil pressure was low I think but don't know?
Cold start 50/55PSI
warm idle 30PSI
30-60mph 35PSI
60-70mph 35-40PSI
80mph 40PSI

Current history:
The oil needs to be changed, the truck sat for months at a time only used in summer to pull large camper.
Any advice related to proper oil pressure will be really appreciated. One last question, what brand oil and filter is a good one to stay with?
Thanks to all, Steve

spongebob
03-11-2024, 17:53
sounds Ok to me...I use ACdelco filters and Amzoil..

a5150nut
03-12-2024, 10:01
Ive got an 06 been using Donaldson filters and CostCo oil.

DIESEL/VETTE
03-12-2024, 21:17
217,000 miles, i have always used ac delco oil filters and delo 400 sde, isosyn advanced oil, sae 16w-40.