Stainless, Bushed PRW Rocker Arms

My thoughts...
Maybe bad bushing in them, all of them.

Or ..
Were the cam bearings clocked right feeding the heads? shafts oiling hole at stand large enough to feed needed amount to pressurize shafts? Was the cam journal full grooved like many are lately? Side clearance is to help prevent wear but along the same line also keep good pressure at the rocker =.010 side clearance.
Oil through push rods was a good idea etc.
Those are all things that would help 'outside of modifying the oiling at the rocker/shaft'.
Now i wanna double check the rockers on that 360...hmmm.
I built the Engine with X Heads and stock non adjustable rocker arms and shafts
2 years before swapping to Trick Flows with PRW Rockers.
And had driven it about 20k Miles.
No problems with valve train at all.
The oil hole in the Trick Flow head is much smaller then factory, but they say it's plenty.
If it were a magnum with Trick Flow heads
All they get is pushrod oiling
The PRW Rockers are made to work with both LA and Magnum Engines.
So adding pushrod oiling to this 340 it's getting double the oil.
The side clearance was set at .010