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| | Forums66 Topics128,052 Posts1,055,729 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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| | | Joined: Dec 2013 Posts: 21 New Guy | | New Guy Joined: Dec 2013 Posts: 21 | I got my 52 3100 running now after it sat in a corn crib for 30 years. It has a 1954 235 engine. I took the engine apart and replaced the main bearings. The connecting rod bearings were OK. I checked them all with plastigage. It has the original 30 psi oil pressure gauge and I wasn't sure how accurate it was so I also hooked up another gauge I got from NAPA. I have 10W30 oil in it. When I start it the pressure is 50 psi at idle. When it is warmed up the pressure is about 25 psi at 50 mph but drops to around 5 or 10 at idle. Is this OK? Would 40 weight oil be a good idea? It has an oil filter which I disconnected but that did not seem to make much difference. Any advice is appreciated. | | |
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