Ahoy all... MY engine has about 15 hours on it since the last oil change. Until recently, the oil pressure registered right around 45 psi at start, and then slowly ticked down to around 30 psi after an hour or so of run time. On the last couple of outings, the oil pressure registers at 60 psi at start and then slowly settles down to about 20 psi after an hour or so of run time.
I'm not sure if I'm remembering this correctly, but it seems that I had read on the forum that this wildly varying oil pressure could be caused by sludge in the crankcase. To remove much of it, you could add a quart of MMO to the crankcase during an oil change, followed by running the engine for a period of time, followed by a standard oil change (without MMO).
So three questions: Is this a legitimate remedy? If not, is there a remedy out there? Or is it really not a problem?
Any comments would be much appreciated.
Thanks to you all...
I'm not sure if I'm remembering this correctly, but it seems that I had read on the forum that this wildly varying oil pressure could be caused by sludge in the crankcase. To remove much of it, you could add a quart of MMO to the crankcase during an oil change, followed by running the engine for a period of time, followed by a standard oil change (without MMO).
So three questions: Is this a legitimate remedy? If not, is there a remedy out there? Or is it really not a problem?
Any comments would be much appreciated.
Thanks to you all...
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