The 66 300 had disc brakes as an option, but I doubt the 66 Imperial did (still separate frame, different body than the 300). How can weknow for sure? If anyone has a 66 salesbrochure (I am sure plenty do) please look through it. If the option is not mentioned, then it did not exist. D^2 Quoting ChiPieAlandPaula@xxxxxxx: > Hello All, > I guess this is aimed at the truly knowledgeable folks on this site. I was > sure that the disc brake set up was standard starting with 1967. My dad owned > a > 66 Crown, and I remember looking through the salesman's book, it never > mentioned discs. So, who is right? Come on Dick, please put this to rest. > Allan from > Billings, Montana >