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

pittsburghracer said
When a post goes on for 15 pages about an un-needed tube it’s going to turn into a train wreck. Lol

I don,t agree that it's not needed. I view it as an alternative way to achieve the same results.
The modification back in the day was claimed reliable to 10,000 rpm.
I am not sure if it was specifically for hydraulic lifters or not.