[Chief of the 60's]

Originally Posted by Tomaso

That's not too bad. If the filler primer will work than that sanding shouldn't be an issue.

I would still just cut it with the 40 and finish with the 80. I never took strictly 40 to completely strip to total bare metal and don't recommend doing so. I used 40 to, as I stated, cut it down to where you see metal but some final layer primer is present. Then finish stripping with 80.