speedometer

Hello all, I'm looking for a 1070 non-ss sweeper instrument cluster/speedometer. I plan to disassemble it and modify it as a test piece before removing mine and doing the same. I just dont want to take mine out and mess it up and be stuck without one. If yours is in perfect shape and works...

I just swapped out my open 10bolt with 2.73's for a 12 bolt. Of course now my speedo is waay off. Does anyone know of a site or a calculator to help me figure out which speedo gear I need? Here's some info: 28" tall tire 3.42 gear ratio TH350 trans

I am rebuilding the dash in my 70 SS Convertible Chevelle. The thousand and ten thousand wheels on the Odometer keep dropping down. There is a plastic piece that keeps all the wheels in alignment that is torn. When I got the car, it showed 79k miles on it. Then this summer the wheels dropped...