340 Oil Priming Question First Start

I'll also add that I have always looked for the location where oil shoots up to the shaft. Keep the oil pump turning at that location and you should see oil exiting each rocker somewhere even if not so much at the top.

BTW, what rockers are you running? Are they 273 adjustable rockers with a flat tappet cam? I remember running a 273 with the valve covers off in an attempt to adjust valve lash while running. Not good. Oil got everywhere and made a mess. : )
Hey I have no background info on this motor. I bought it as is. I don’t know what cam is in it but I did bore scope the cylinders and found 0.030 over TRW 12:1 slugs with what looked like clean tops and the walls looked good. It ran when I started work on the body.
This is a flat tappet set up. Is there a way to identify the rockers and make sure they are properly clearanced
for oil flow? I plan to take them apart and clean them in the morning.

Ps I did see a little oil coming from under the rocker maybe not on all and not so much….

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