Hi, Maybe someone out there can help me. I have a 1941 BF-12-65 Tcraft. It has a Cont. A-65 on it now(feild approved 1984).I would like to get an auto gas stc.The E.A.A. nor Petersen have them for BF series.Has anybody gotten approvial for this before ?Basically I have a BC-12 now. I talked to a freind at the F.A.A. and he said much easier if I could find someone previous paper work. Thank you Joe J. N39111