Opinions On I Equus Mechanical Oil Pressure Gauge

[SIKNSLIK]

Hey guys my stock oil gauge quit so I installed this mechanical guage worked great for a month. Then one morning I started it and it will run to 100 psi when cold on takeoff .then once it warms up seems to work OK again is it a bad gauge or what any input would be appreciated. Thanks again

 

[SIKNSLIK]

Please somebody give me some advice changed to rotella 15w 40 tapped for a second and now riluns likeba scalleded dog

 

[SIKNSLIK]

Sorry for more mid spelling but can't keep the wheels on the pavement now am I gonna mess up my engine or am I OK .....please help

 

[SIKNSLIK]

Anybody? Went and got a new gauge does the same thing but engine sounds OK no lifters tapping or anything.just dontbwant to drive it until I'm sure of the issue any input would be helpful thanks