Quote Originally Posted by davep View Post
That is a very odd extra set of numbers. The first character may be a 7, but it is not anything like the last character which is a 7.
I remember from the old days working at the dealerships, when we rebuilt an engine we stamped our own code/logo in the casing so we could track who did the rebuild if it would ever come back for warranty or service.... just my two cents.

Henk.