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| | | Forums66 Topics128,106 Posts1,056,213 Members48,436 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jan 2009 Posts: 1,644 Shop Shark | | Shop Shark Joined: Jan 2009 Posts: 1,644 | I've started driving my new build a 53 3/4 ton GMC with a 228 can anyone tell Me what the oil pressure should be hot at idle and at speed.
Pete | | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy Pete52, I would say around 20 p.s.i.. | | | | | Joined: Sep 2010 Posts: 1,707 back yard wrench turner | | back yard wrench turner Joined: Sep 2010 Posts: 1,707 | My 270 idles at 5 psi to 10 psi hot and 50 psi on the highway. It's not a fresh rebuild.
Wayne1938 1-Ton Farm TruckStovebolt Gallery Forums1989 Silverado 1996 Mustang GT convertible When I die, I hope she doesn't sell everything for what I told her I paid for it! | | | | | Joined: Jan 2009 Posts: 1,644 Shop Shark | | Shop Shark Joined: Jan 2009 Posts: 1,644 | Thanks, I'm getting about 12 15 hot at idle and 45 50 running on the road.
Pete | | | | | Joined: Aug 2013 Posts: 255 'Bolter | | 'Bolter Joined: Aug 2013 Posts: 255 | My 50 GMC 270 with 16000 miles idles at 20 to 30 psi and 55 to 60 running the road. | | |
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