Keep the info you've learned to yourself when talking to the machine shop. Let them figure out what went wrong. In all honesty they may work with you and they may not. Trying to sue and threaten a civil case will just muddy the waters and you will spend more than $1400.00 anyway. Then there's the hassle and the BS. of he said...he said in court. If your time is worth anything pick-up another motor and put it in while you try and workout what's wrong with this one.

In todays society you might as well roll over and play dead...40 years ago he would have taken an a$$ whippin for what's been done. Gee isn't society so much better...