Oh, and as for the oil gauge... there's nothing wrong with the stock oil pressure gauge. They're not renown for failure either. The SENDER however is known for being inaccurate as far as calibration goes and it is internally dampened causing a significant delay in report. If you've got bouncing readings check the wiring and connector... it's unlikely that the gauge or the sender is at fault.
If anyone ever adds an aftermarket oil gauge do keep in mind that you still need to leave the stock oil pressure sender in place and connected as the ECU does read it... you may remove the stock gauge from the cluster though.
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