Yeah, I am figuring things out a bit now. The door tag shows it originally was a 200 six with a 3 speed manual. When I bought the car in early 80's the previous owner said they had put in a 200 six out a 68 mustang. They must of installed the 4 speed dagenham, but they used the original 3 speed shifter, and I never really realized it was a 4 speed, just that it was hard to shift at times. It also made some chatter and I think I replaced the clutch once. When I disassembled and replaced synchros and a gear in the transmission I realizedthe tranny was definitely a 4-speed. That spacer ring must of been there from an automatic on the swapped 68 engine, is all I can figure. But would they have used the dog dish on an automatic? Bubba is right there is a little wear on the bolt heads, likely from the clutch springs. The rear end was also replaced, I believe a 1970 maverick. I think it has a 1:2.83 rear ratio. I guess I should call it a frankenstang!