I appreciate all the different solutions to my problem. That's why I enjoy this forum so much as there is usually more than one answer and you guys have them all.
At this point I am taking your advice and I will not bore to 80 thou over. I will ask the builder if he can hone out the scuffs, and if he can't I will consider the other options that you have given me. As we are in the middle of our memorial day weekend here,I will not be seeing him until Tuesday.
As to Tom's question above, the motor has never pinged since I've had it.
Al