Roller cam and lifters question

I wonder if this is the modification @IQ52 did in this other thread. Page 6, post 126. He mentioned a large amount of oil flow from the lifter itself.

who is running MRL (BAM) Lifters without lifter bore sleeves

Sounds like the issue Valley performance says needs correcting.
I suspect IQ52 and Valley are on the same page about this, but mine does have bushed lifter bores