Greetings, -- I also have a C6FE-6015-A in awesome shape, will clean up at .020" overbore. -- I was going to use it for a project, but have gone in a different direction. - , now I have the block available as well as a C6 TA/Race balancer that is available -- would prefer they go to a good home, ---PM me with interests. I will put it up on ClubCobra as well -- Steve