This front "Mach 1 - type" bumper repair write-up got lost in a long thread that went about 4 different directions.
So I thought I'd capture and repost (C9zx) Chuck's repair instructions:
"... . I make no claim to be an expert at body work, or anything else for that matter. What I'm describing is the repair of relatively minor damage (no big chunks missing). The bumper must be sanded to bare urethane, DO NOT USE PAINT STRIPPER OF ANY KIND. I used a DA with 100 grit peel and stick, keep it moving. Do not linger in one spot too long. If you don't have a DA, use a 3M rubber sanding block. If you have long narrow cracks you will need to "Vee" them out (I used a Dremel tool with the miniature cut off wheel). Nicks and gouges need to be...