Clean the bolts on a wire where,clean off any oil that may be on them with an oil free cleaner,make sure bolts are dry and apply 271 (red) loctite, and tighten the heck out of them.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time