Are you rivnuts or weld studs or nuts for that access panel?
Awesome thread..These (pic taken before i welded them all the way round) may not do all that much because these rear mounts are pretty robust but they have to flex some so with these in place it should quell what little there might be. tomorrow i'll touch up a couple things and get her ready for paint on saturday (Lord willing).
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Did you bead weld the shock tower seams as well?