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Mod | | | Forums66 Topics128,049 Posts1,055,741 Members48,426 | | 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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| 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!
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| | | Joined: Dec 2013 Posts: 21 New Guy | | New Guy Joined: Dec 2013 Posts: 21 | I think I am OK now with the 15w40 oil. With cold oil I have 50 psi regardless of RPM. With hot oil I have 10-15 at idle and about 25 at 50 MPH. | | |
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