[cooperino]

Originally Posted by oneplustwins

I did not use a piece of glass, just the file going across the head in all directions. I did notice the head gasket appeared to be oil soaked though. No oil is shooting out the dipstick. The vent line was replaced when i did the oil breather. It does smoke when running. I seem to get more smoke when i throttle up, or down. I also get smoke when i engage the PTO for the blades.

Ok. I hate to say it but I doubt you got the heads or block "flat" with a file in hand. Typically you would glue down sand paper to a piece of glass or a flat surface stone to surface the heads. The block is a little harder to do but usually do not require flattening.