Joe, About 99.9% positive the 3rd gen oil pan will fit 2nd gen with 3rd gen front cover .................. Kelly Troyer"Dyke Delta"_13B ROTARY Engine"RWS"_RD1C/EC2/EM2"Mistral"_Backplate/Oil Manifold From: josrph berki <jskmberki@windstream.net>To: Rotary motors in aircraft <flyrotary@lancaironline.net> Sent: Sat, May 15, 2010 3:29:32 PMSubject: [FlyRotary] Oil pansDoes anyone know if a third gen 13b oil pan would line up with the holes in 2nd gen motor with a third gen timing cover? I installed the 3rd gen coveron the 2ndgen mockup motor and the pan bolts are way off. I need the roomthe the CAS takes up. Thanks for any help.Joe BerkiLimo EZ --Homepage: http://www.flyrotary.com/Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html