Bud wrote: > Listerati, > > What is the diameter of a 10 spline input shaft on a GT6 transmission? Is it > the exact same size as a 10 spline TR6 transmission? As I recall, one is 7/8", the other 1". I remember trying to mate a 1" gearbox to a 7/8" clutch disk late one night at Bailey's many years ago. mjb.