Hi to all. I just got here and even though I am sure this has already been covered before, I have a question about a 460 that Iam building for my car. So here goes. !968 Lincoln Continental,original 460 motor with rail type rockers. Now, I have installed a fresh 460 of the same year and I would like to do away with the rail type rockers. I had my head redone wityh larger cobrajet valves and would like to know if I can just bolt on a set of roller rockers by just replacing the studs and installing guide plates and hardened pushrods without further modifying the heads.If so what length push rods and can I really use B>B> chevy rockers. Any help will be appreciated