Teamx, I have run Milodon bronze gears the most. only 1 mp bronze drive gear. I can tell you that when all is set up the Milodon gives no problems. They make a few different ones for all pump designs. I would agree on a lighter weight oil as well, or as stanton suggested, you may even consider a stock pump. It sounds like your engine is built on the close side of tolerances. You did say you were street driving and it's not a race car. It may even run cooler. Also, set your cam run out to as little as you can get. Your tare downs won't be as dramatic. You have a great looking engine.