I urgently need to [...]

Gees, you must've spent ten hours on Usenet just trying to answer this
question in the past week.

I know you're trying to help out the detective and actual owner (if
there is one!) of this engine, but at some point you really do have to
throw up your hands and say "somebody else's problem".

Tim.

Gees, you must've spent ten hours on Usenet just trying to answer this
question in the past week.

I think we should start a contest. Lets see how many different threads
we can keep running at the same time about this...

Let the damn detective look at the motor and get it over with!
Tell him to take it with him and your problem is solved.