i installed a fm engine oil filter adapter on a Continental o 200 and my oil pressure is a 100 psi on start up 600 rpm at - 1 celcius 15w50 oil
check with another gauge
check oil pressure release valve
remove oil screen
remove oil cooler
and still high oil pressure . after engine oil tempature goes to 100 + the oil pressure drops in the normal range
check with another gauge
check oil pressure release valve
remove oil screen
remove oil cooler
and still high oil pressure . after engine oil tempature goes to 100 + the oil pressure drops in the normal range