I agree with the post that says "set of gaskets". If it were mine, I would tear it down clean it with brushes & soapy water, followed by WD40. Check the oil pump & pickup, rod & main bearings replace if needed. From there, I would find another machine shop.
I agree that would be the best thing to do. Also the most time consuming. I'm trying to get back to the track as soon as I can. needless to say I'll never use this builder again (or the machine shop he used).
