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I would still encourage a leak down test just to verify the ring seal is good. blowing oil out of a breather cap, especially with baffle in place is usually not a good sign. Leak down testers are relatively inexpensive.
I also would encourage the use of a PCV on a street engine.
Good luck and keep us posted


Not all machine shops use a torque plate when finishing the final bore preperation, it shouldn't blow the oil out of your motor now as long as you have two breather caps on it, do you?




No only one breather. Torque plate was used on this engine. The break in was done on the dyno. I didn't use a PCV because I could not find one to fit these MP valve covers.