[BBC69Camaro]

10. Now cut on your lines to remove the upper shock mounts and cut back the rear frame rail. I would cut short of the line you scribed. You can always cut more later. You want to cut just enough to fit the tubs and nothing more. I would cut short and grind to fit. Takes a lot longer but gives a much tighter cleaner install.

Just a bit more room:


Make sure to grind flush the top edge where you cut out the inner tub. You want it nice and clean so you can mount the new tubs to that flange:


I found that I need to clearance bit the tabs that had the old seat brace brackets so I could fit the mini-tubs in properly:



11. Now fold over your flaps as directed in the DSE instructions:


12. Clean up the cutout areas of the frame rails. I used the DSE templates to make sure the proper area was clear, although you could just make different close outs. But I wanted to follow the directions as close as possible since I had never done anything like this before:



13. Try to get the cut lines as straight as you can. They don't have to be perfect as you can kind of bend the mini-tub into place once it is in. You just need enough room so you can pop it in and get it placed correctly: