Posidrive Posted July 22, 2014 Share Posted July 22, 2014 Zed has just hit 120k miles and needs an oil change. Recently the oil pressure had been a touch lower than it has been although on spec (a tad under 50 psi at 2000 rpm). Mechanic with years of experience tuning much more exotic stuff than the Zed thinks the she might benefit from 15W-50 synthetic oil such as Fuchs Titan race Pro R. Any reason not to? Quote Link to comment Share on other sites More sharing options...
Commander Posted July 22, 2014 Share Posted July 22, 2014 It has been warm recently, which reduces viscosity which will reduce the oil pressure?... Quote Link to comment Share on other sites More sharing options...
AliveBoy Posted July 22, 2014 Share Posted July 22, 2014 I use 5-W40 and I've not had any side affects, you just have to wait longer for the oil to get to temp as it's much thicker. Quote Link to comment Share on other sites More sharing options...
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