340 Oil Priming Question First Start

Does the lack of a groove explain my oiling deficiency? The whole reason I am at this point is because I am seeing little to no oil coming out of the rocker arms. Not a drip on many arms.

We jointly found that the passenger shaft IS REVERSED and will need to be corrected.

However now I am dealing with the inadequacies of a modified set up. And I will need more guidance on this mod.

No, but without the grooves you can’t get enough oil between the rocker and the shaft and the rocker will grab the shaft.