I once rebuilt a Honda Civic head. I installed it and the car started really burning oil. The well functioning head was causing oil to be pulled past
the rings. I honed the cylinders and put new rings in and it solved the problem. Don't know if that is what has happened to you.

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85 300TD FED-Daily
84 300SD-Wife's
86 XJS-Sunday
66 GMC-Work- Given to my stepson
83 BMW Airhead- Given to my stepson