>... it comes into the crankcase
>at such an angle that it hits one of the crankshaft counterweights.
>That wouldn't be great (or give an accurate reading), so I hope we
>remember that it only goes in this way...

Try putting some painters tape on the top end so you'll remember which way up.

Michael

McFortner
Maxim 37: There is no such thing as "overkill".
There is only "open fire" and "I need to reload".