Oil Galley plugs at Camshaft

I have never seen a virgin block with the freeze plugs in.
I have never built a eng without them installed.
My first eng had the bolt hole that fed oil from the valley to the cam with the pointer.

All the rest have not had that hollow bolt installed. I have drilled a small hole in passenger side lifter galley and installed 4 bolts.

The oil slinger serves 2 purposes. 1) to sling oil back up on the timing chain. 2) to keep from overloading the front crank oil seal during heavy braking.

A stock small block, that has weak spring, small(stock) cam don't need much oil to go 200,000 miles.

The more cam, and spring pressure not only need more lube........to lube. But also need more lube to Cool the chain.
Just like the valve spring need oil....not for lube but to keep them cool enough so they don't lose their tension.

Chry wasn't dumb.
In stock form, they lived! and that's what mattered (Warranty) You bet There asssss all the imperfections of are sbm would have been addressed if it cost then warranty money
In STOCK form there is nothing wrong with this block.

I know this is going long but one more thing.

To the person that had threaded plugs in the oil galley up front. Get a file and make the flat surface, flat again. them thread will be pushed up to the surface.
Freeze plugs will do you no good on this block so i would make sure both surfaces are flat and bolt it on just like chry did in the beginning.
drilling a small hole to have pressurized oil to the cam.....Well that's your call.