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hi all i have 02 sti and the prosport stepper installed, mine personally normally sits around 2.1-2.2 bar oil pressure but noticed today it's been at 1.9 bar on warm idle.
am i being paranoid or is this small fluctuation not bad? last oil change nearly 3k ago so is pretty much due another one any time
i have never had 3 bar, mobil super 3000 5w-40 from opie oils, and thought that anywhere between 2 and 3 bar was pretty much the norm, so was just with the small drop?