So your car’s oil pressure gauge is behaving like a metronome or, worse yet, has flatlined altogether and you want to check the pressure manually? Wunderbar. Your engine’s oil pressure is ...

In a typical nitrous oxide system, as the nitrous releases, the bottle pressure drops, which reduces the amount of nitrous delivered to the engine.

Static pressure is only an indicator that there is some refrigerant in the system, and that you can proceed with your A/C-performance test.