I'll say it again because you love to argue. You can have pressure an no flow. Simple as that.
I'll say this again. Let's say I'm wrong. Let's say it doesn't happen. It still doesn't change the FACT that a crossover tube doesn't slow down the oil or do a damn thing that can't be done better.
My post was about helping a FABO member NOT waste his time and money on a modification that will do him ZERO good and not a single one of you has ANY proof that the crossover does what you think it does.
Now I have to go read the link that Duane so kindly posted from Sanborn.