EM6285 Posted October 24, 2014 Share Posted October 24, 2014 Engine is a recently top rebuilt E6 Tip Turbine 2 valve 285. New cylinder heads from MACK, New turbocharger from MACK, New head gaskets set,New fuel pump.Check turbo and it is clean. It has been rebuilt for about a year.Fuel pump has been "opened" and advanced to 22°Any ideas on what could be causing the oil leak? Quote Link to comment Share on other sites More sharing options...
b61mack Posted October 24, 2014 Share Posted October 24, 2014 You might have to put thread sealer on the end of the studs in the head, some of the holes go all the way thru and leak oil. 2 Quote Link to comment Share on other sites More sharing options...
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