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OK, so I know about welding spider gears but I recently read an article in Hot Rod magazine about an old "barn find" dragster and they referred to cutting and welding the axle shaft when narrowing the rear end. They said the fellow didn't want to spend the money for the local machine shop to tool up to cut and re-spline the axle so he cut and welded them himself. Don't want to sound too dumb but how is this done? Is it cut out the right amount, grind a taper on each and weld away, do you sleeve it then? Help me friends. As always, Thanks in Advance[