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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Mar 2010 Posts: 10,303 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,303 | Before you tear anything apart, run the engine at idle until it reaches operating temperature (180 degrees or so), look for oil weeping out of the oil hole in the #1 rocker. That #1 is the last to receive oil and sometimes it takes a while to have enough pressure at idle to make it out the hole.
Prior to it weeping out of the hole, you should see some oil leaking out of the bottom of the rocker along the sides. This indicates that the rocker is getting lubed at the bottom (which is where all of the friction is going on) even though it isn't coming out of the hole yet.
You could also turn the idle up on the carburetor to increase your RPM, and therefor, oil pressure to see if the oil comes out of the rocker hole sooner.
Carl
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
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