I drilled a hole in the back of mine on the passenger side of the trans. Welded a elen head socket to a long 3/8 extension. Wrote on the bottom of the Bell housing the timing marks I need to align to adjust it the clutch. Worked good.
68 Dart GTS "HEMI" 10.30 @ 131 pump gas street car 3780# 69 Roadrunner 511 six pack 10.92 drive to track street car