Some one ask so I tried to explain in a PM. Rocker oiling

The method shown here of feeding the LA head's rocker shaft off the oil pressure port is not to "correct" any oiling deficiency, or maybe it is. This method is done so you can use LA heads on a Magnum block that is not drilled for LA shaft oiling coming off the cam journals. There is NO oil going to the shaft in this Magnum/LA case and you have to use oil through pushrods/rockers and hope that the rockers will provide oil to the shaft. The modification shown bypasses the pushrod oiling requirement and allows use of standard LA rockers that oil through the shaft. With a standard LA block/LA head setup, there is no reason to do this external feed modification, other than you want to.
Yes I already knew that . This is how Indy recommended how we should get oil to the sprayers in valve covers. The picture was a reference that there are different methods to get oil up top.

There are many ways to get oil to the top. I didn't have pictures of or I would have posted them for you.

Another way is to have a funnel mounted to the dash with a hose,

Or a squirt gun through a hole in the firewall.

I was thinking of putting oil in the washer bottle and using the foot pump. but what would I do with a 4spd car. Ah! I could hit the foot pump between gears.

How about mounting an oil can to the hood and using the dripper method like on a hit and miss or we could just fill the engine up to the top of the valve cover.

Since most of you have it figured out you don't need any input at all. Just follow brandon's way, He'll lead you to happiness no matter what gender you choose.

And who said you couldn't feed oil to the rockers on an LA using this method I pictured. I have seen it done. This is just one of many applications. Must be yours.
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