Here is the discussion from the FE forum. It involves opening up the rear main
oil drain back and also modifying any windage tray and pan blockages below it.
This is something to check on all FEs, mine leaks a bit too.
http://www.network54.com/Forum/74182/thread/1132207998/
I take no credit for the information, just parrotting what I think is some pretty good info! Mike Braun did all the work and made the original post.
- Chuck
And the pictures are:
George at Gessford milling rear main cap for ARP stud clearance

As delivered shelby
oil drain back

Opened up shelby drain back

Opened up shelby drain back

Pan interference

Pan mod

Canton Windage Tray interference

Canton Windage Train mod
