OBS Display Capture causes Presentmon to monitor incorrect data

[Possemaster]

Setup:
Screen 160Hz
v-Sync off

Rivatuner overlay with Display FPS and Present FPS
PresentMon overlay with Display FPS and Present FPS

Game running at 250 FPS

Test 1:
Rivatuner shows Display and Present at 250
PrentMon shows Display at 160 and present at 250

Test 2:
Start OBS with Game Capture (Specific Game Process)
Rivatuner shows Display and Present at 250
PrentMon shows Display at 160 and present at 250

Test 3:
Start OBS with Display Capture (Capture screen Game is running on)

Rivatuner shows Display at 250 and Present at 160
PrentMon shows Display at 60 and present at 160