I have dug out my Dad's Craftsman (101-06260) lathe that he purchased in the 40's. I know about ABC but sentiment still prevails. I've cleaned it up, sharpened the tools but I only have one center drive and it is in dreadful shape. I believe the taper is Brown and Sharpe #7 (it's not MT #2). I considered reaming the existing taper to MT #2. The large end of the existing taper is smaller than MT #2 but the small end of the existing taper is larger than the small end of MT #2. Therefore, after reaming, the mating surface of a new MT #2 drive would be less than the length of the drive resulting in, possibly, not sufficient friction surface to hold the drive under power. Any suggestions on replacing the drive?