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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!
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| | | | Joined: Oct 2021 Posts: 6,969 'Bolter | | 'Bolter Joined: Oct 2021 Posts: 6,969 | My 216 also seems to get louder when the engine is warm. Fairly quiet at startup when the 20w-50 oil is cold. Oil pressure is about 30psi at initial startup but eventually drops to 15psi at speed as it warms up. Idles at 7-8psi.
I don't think less oil is being sent to the top end. I think the oil just thins out as it warms up and thus the valve clatter gets louder.
What weight oil do you use, Thomaslb?
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
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