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Global Mod,
Mod | | | Forums66 Topics128,087 Posts1,055,976 Members48,430 | | 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!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2002 Posts: 12 New Guy | | New Guy Joined: Mar 2002 Posts: 12 | How accurate are mechanical oil pressure gauges, especially when readings are below 20 psi? | | | | | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | They should be accurate to within 1 psi.
Paint & Body Shop moderator
A lone amateur built the Ark. A large group of professionals built the Titanic. | | | 
#3006 10/21/2002 10:58 PM | Joined: Jul 2000 Posts: 962 Shop Shark | | Shop Shark Joined: Jul 2000 Posts: 962 | Well, below 20 PSI I just listen for the knocking.  Chip
Preaching the Hot Rod Gospel according to the 4-stroke apostles:
Suck, Squish, Fire and Fumes
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