i am having trouble finding a place online to tell me what my engine casting numbers are (11N532396) (T0203000) that's the numbers on my engine block i know the to2o3oo is for where it was made and when but the other numbers i cant find out what size it is i was told a 327 when i got it and another problem im having is it is shooting out blue smoke i know it is oil but im not sure if my rings are bad or if its my valve guides is there a way to tell by just looking at my valve guides if i take my heads off it holds oil pressure at 20 psi when idling and 30-60psi when driving