we are talking of the lower pan not the upper pan. the lower pan on these is about 12" or so mostly square. it sits lower and acts as the sump for the oil pickup. and provides access to the bottom of the oil pump.

tom w

__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.