Could some one tell me the difference between a C2 small block left side exhaust manifold , casting # 3846559 and one that has the casting # 3846559A, as it pertains to a 66 327cuin., 300 hp engine? Are they the same dimensionally and will the 3846559A receive a deduction in flight judging?
Regards,
Dave Kitch
33108
Regards,
Dave Kitch
33108