You blowing smoke at high RPM's?

I would assume that oil loss like that can be attributed to blown piston rings. I was in the same boat and was going through about the same amount as you are and it turned out to be toasted piston rings.

Here is a post about my oil burning problems: https://www.honda-acura.net/forums/s...d.php?t=166873

Here is a post about my delightful experience replacing the piston rings: https://www.honda-acura.net/forums/s...d.php?t=177478