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break in oil after engine rebuild

911pilot

By 911pilot
in 911, 912 Series

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911pilot Member

911pilot

Posted
Posted

just completed a total rebuild of my 1977 911S 2.7 engine.       I am considering using a break in oil for initial start up and initial milage, before changing to a regular engine oil.   Does anyone know if using a break in oil is helpful and correct, to assist ring seating, and if so which brand, type, and weight oil would be correct ?  

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JFP in PA Member

JFP in PA

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6 hours ago, 911pilot said:

just completed a total rebuild of my 1977 911S 2.7 engine.       I am considering using a break in oil for initial start up and initial milage, before changing to a regular engine oil.   Does anyone know if using a break in oil is helpful and correct, to assist ring seating, and if so which brand, type, and weight oil would be correct ?  

 

Yes, breakin oil is appropriate.  Check with LN Engineering, they have breakin oils in their Joe Gibbs line.

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