Adjusting the oil pressure on the new P&P wet sump oil pumps

Any have know the procedure to adjust the oil pressure, need to reduce at idle from 120 plus down to 75 range.
Thanks

 

oil pres.

Are you wanting to reduce oil pres. on a hot or cold engine?
There are shims behind the by pass spring take the plug out ( #6) add or remove shims install plug. my engine will make 120 to 140 cold and 90 to 100 hot at idle. The RPM data recorder says 130 going down the track.