I would go with the grade 8 bolts unless you are doing a showroom restore. If you are worried about them coming loose you could tack weld the nuts after tightening, but split washers should do the trick.


1953 Chevrolet 3600
Fried Green T'mater (Vern)
In the Stovebolt Gallery
Caution: Political Statement
Man who runs in front of car gets tired, man who runs behind car gets exhausted.