My take on the oiling system crossover tube for the small block

Duane said

But why use a set screw at all. What is the rocker oiling plan?

Click to expand...

I was confused too. I think this was talking about just restricting oil to the cam bearings, blocking the oil to the heads from the cam area, and providing full time oiling to the rockers with a separate mods. See the early posts on page 1; post #3 or 4.