oil pump question ?

Yea your right I also think he was asking about normal driving and not 6500+ for a few mins. And who would do that any ways. That's just nuts...
Extended high RPM's are common for road race and rally and hill climb and Pike's Peak and Baja and some ovals..... but not street.... well, not normally! And obviously not drag racing.

And actually, we rally cars with stock 4 cylinder pans all the time; there is no room for large pans on a rally car that will not be subject to rock damage. The oil control just has to be known OK; you can get into some stages with a couple of minutes of extended high RPM operation (mountain climbs or constantly twisting roads) on some smaller engines, sometimes with some breaks for shifts but ocassionally not.

So the application is the key in all this, as with so many things. I can't find where the OP said his engine use; street is the likely answer, so the advice is very probably sound.