Ok the first time i put in a O-really water pump, it worked for about 3k and then the case cracked. It had a lifetime War. , so i exchanged it. I put it in about 2 months ago and today damn it cracked a circle arround the shaft about 5inch's arround. i been reving it up to 5k about, well today i did but my engine wouldn't go past 5k. Maybe it was my waterpump holding me back? I ordered a waterpump from summit raceing a good one. I am thinking it was a cheap waterpump and couldn't stand a powerful motor?