If you plan on using 68 side marker lights I can help with the proper location of the rears. I just replaced the lower quarters on my 68 and the replacement panels do not come with any marker light holes all ready cut in them so they can use the same replacement panels for 67-69. I saved the lower panels that I cut off so I could use them as a template for the marker light holes on the new panels, I used a 1 5/16" bi-metal hole saw to blow the holes in the new panels after I drew them out. There is a small notch on the bottom of the marker light hole which I just used the edge of a small fine file to create. The marker lights fit just fine and are in the proper location. I will be more than willing to ship you both sides of my old panels, just pay for the shipping.
Bob
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