Hello,
I am pulling the cab off my truck this weekend. I would like to touch up, paint etc the engine. Currently, the oil pan, bellhousing and valve cover are painted this color:

http://good-times.webshots.com/photo/2760002360102641910fRQIeT

While this is most likely not original paint what colors were they originally?
I have seen gray and orange.

Personally I like the blue.
Thanks,
brian