Quote:
Originally Posted by 2011 Nismo#91
If you're increasing or running at/near red line often you should upgrade the pump. If not the OEM one will work just fine.
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Well, aftermarket pump gears are questionable. They are never tested. I had some weird wear on my first Suckerpunch oil pump gears. It was found when the engine was disassembled. Not sure if it was due to the coolant in the oil or what. That pump went in the garbage. The engine builder said it was not. My 2nd engine will be coming apart soon and those gears will be inspected for sure. My 2nd engine has a Suckerpunch oil pump also. If any weird wear is found a new Nissan Nismo oil pump will go in that engine. It's your oil pump, don't take any chances.