LUIZ HENRIQSON Posted August 31, 2014 Share Posted August 31, 2014 Hi all ,I set one Mack end 675 as stationary engine in one dredge , my question is : how much PSI oil pressure is normal in this engine ? my engine start cold wich 120 psi and after whem warm the pressure dow to 50 psi , but if I up rpm the pressure go to 100/120 psi , is this normal?(escuse my english , I am Brasiliam) Quote Link to comment https://www.bigmacktrucks.com/topic/36888-end675-lub-oil-psi/ Share on other sites More sharing options...
j hancock Posted August 31, 2014 Share Posted August 31, 2014 Sounds a little on the high side.Buy or borrow another gauge and "T" it into the line and see if the reading between the two are close. Quote JimIt doesn't cost anything to pay attention. Link to comment https://www.bigmacktrucks.com/topic/36888-end675-lub-oil-psi/#findComment-257880 Share on other sites More sharing options...
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