After tearing it down to the piston level, I can't find the problem. All the ring lands are perfect, the rings look great, no scratching on the cylinder walls. Basically, the engine looks flawless. I am going to hone, re-ring, replace the rod bearings, and headgasket while I am elbow deep in the motor and hope the oil burning ceases.

Also, since the head is off and I am waiting around for new rings and rod bearings, I installed an OEM oil cooler to help with oil temps at the track and removed the stock PCV box, freeze plugged the hole, and added two breather ports that will go to a second catch can.

I do have a question, though. 3 out of 4 rod bearings are green and the other is brown. Is there that much of a difference in clearances between the two that I would have to order that specific size from Honda instead of using a set of ACL bearings? I don't have an Acura dealership in town, so I don't have the option of just going down to the dealer and picking them up.