Back to the bed, I determined that for my setup, I needed to cut 2.375" from the front of the 3600 bed to fit the wheelbase of the extended cab s10...so I did. Also cut down the running boards to fit. Now with the running board bolted to the rear fender, and the rear fender bolted to the bedside on jackstands, I could determine where to place the bedside:
By this time, I'd decided that I'd like the ability to haul plywood, etc. so I would need to get rid of my mini-tubs:
From this:
To this with parts from another s10 bed:
http://67-72chevytrucks.com/vboard/s...d.php?t=384736
And now without my mini-tubs, I needed 1" spacers to get more clearance for my 4wd s10 rear axle: