Just as a failsafe for the jb weld, drill a VERY small hole through the tightener and into the sprocket. Use a very small screw (we're talking mini screw driver type) and insert into the hole to act has a key to give the whole setup some extra strength.
1990 Automatic N/A Primer Gray (His) *Stage-7+* 1993 Manuel N/A Burgandy (Hers) *Stage-3+* 2004 Pontiac Grand Prix GT Pearl Green (Ours)