Quote:
Originally Posted by Ohio Enthusiast
Higher viscosity oil won't do anything to the oil temp, but it should keep the oil pressure higher in higher temps. Sadly there is no OEM oil pressure sensor (only a switch) so without adding an external sensor and gauge you can't really verify the benefit of higher viscosity oil.
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My bad, you're correct, not sure why I had that confusion. In any case, the pressure difference at these two oil weights is so minimal in a DD that I just went back to stock spec'd oil weight.