Quote:

I'm convinced & I needed some backup on this. You know how customers are about spending money twice & this guy is a friend. Thanks again guys



Just tell him that in order to ensure he gets the best possible engine he can this inspection/work must be done. If not then you cannot in good conscience build the engine for him as both his friend and as a professional.

See, I can be diplomatic.

They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.