Originally Posted by ccb_v2

Well readjusted the flow to 1 liter at WOT. Now have better throttle response. Now a new issue... the oil pressure drops to 0 slowly as the car warms up and at that point the rockers start tapping. Is this an issue with the oil pump pickup slowly catching debris and clogging it, then settling when the car is off. When the car cools and is started again the cycle repeats... Should I flush out the oil? How does one do this, just pour it in with the plug out or use some solvent?