I live in Gothenburg, Sweden and here it is long humid winters with a lot of salt on the roads. I have a 2015 Tahoe LTZ that I have done a complete underbody treatment on. I highly recommend this, it still looks like a new car underneath
When mine is hot, the oil pressure is always around 40 psi. The car works perfectly and the engine is incredibly soft. In the instruction it says that the pressure should be over 29 so just under 40 should not be any problems?
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