I use a service of oil condition analysis in my International 7.3 diesel. Before trying anything, send in a sample and see what the 'brownish orange' is. https://www.blackstone-labs.com/marine.php Fleet managers use oil analysis to determine the length of time between services and to troubleshoot. They can tell you how the engine is wearing too; bearings, rings, etc. Check the dipstick for coolant.
Incidentally, for big boat purchases, an oil analysis is a great idea prior to offers. Do you have the expertise to pull the head, replace the head gasket, then torque to specs and then adjust the valve clearances? Bill Dakin S/V Tapestry 25-2 On Fri, Aug 3, 2018 at 2:10 PM, PETER OCAMPO via CnC-List < cnc-list@cnc-list.com> wrote: > Westerbeke 33 w v drive > > > Changed all hoses and new coolant.this year Old coolant was dirty might > have had oil but it was brownish orange green. Vs glow green of new > coolant engine started right up no issues no hiccup this year > > Now I see some oil drops in coolant > > > Looked on line at putting in head gasket sealant ie Barr’s. For the > season then fix this winter if truest head gasket. > > Wrong or right idea. Or options > > >
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