" From: Tom Jennings <tomj@xxxxxxx> " " Just FYI, the R&D head has the following casting numbers in the " top of the head: " " [] " " 6-11 or might be 6-71 obviously, if it says 6-71 it must be a reworked detroit diesel head... ________________________________________________________________________ Andrew Hay the genius nature internet rambler is to see what all have seen adh@xxxxxxxxxxxxxxxxx and think what none thought