What we should see for coolant pressure is not something that is set in stone. It depends on where the pressure sensor is installed. Every car may be different. So, you get your baseline at lower boost, say 12psi. My cars baseline is as follows. The coolant pressure will increase with rpm, due to the water pump making more pressure. RPM goes up, coolant pressure will rise. Mine rises to 25psi at the top of a run. Andre and Kyle saw the same thing. We are all on standalones. Kyle reduced his pressure by removing his thermostat. Lower temps = lower pressure. His stay at 12psi. Andre saw what I did, 25psi or so. Now, I see Admin has some coolant pressure sensors running through Ecutek. I did see Trash's cars coolant pressure. It maxed at 17psi or so. Not sure why or if it was due to it being done with Ecutek. The GTR guys see anywhere from 38psi to 80psi at the top of a run depending on where the sensor is located. What I am trying to say is get your baseline and go from there. There is no magic number set in stone. You watch your baseline and look for a big change in your norms. More boost equals more heat which equal more pressure. Your readings will vary.
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