If someone wants to fill small holes and smooth, body filler is the product to use, not JB Weld.
Why not? Epoxy over epoxy primer shouldn't be an issue, although JB Weld tends to sag a bit on vertical surfaces.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.