>Like I said it is most likely a myth like needing to rotate radial tires
>only front to back. We now know that we can rotate radial tires any which
>way and I believe we can break an engine in better with synthetic oil.

The radial tire deal was not a myth, it was quite real. Earlier radial
tires could not be rotated side to side.

I cannot conceive of anyone thinking synthetic oil is too slick to break
in a motor....... Good grief.

John