Who needs a drill? I used a mini-sledge and a cold chisel. Amazing what that'll do to aluminum rivets.
Just use a 1/4-20 pan head bolt & wing nut w/ Loctite for reinstallation. Worked for me since October. Good luck.
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Capri306, Moderator, The Mustang Works Online
1979 Mercury Capri, 5.0L -- C4 -- 2.73
1987 Mustang LX Notch 