Use a drill to turn them against a fine wire brush to add wear to the tread surface. The wires on the brush will get down into the tiny low spots where sandpaper doesn't. I have done lots of 2 piece drag slicks this way and it works well.
I remember the article where Tim built his version. Crazy to think that was 25 years ago already, where does the time go? Your version looks very nice and has held up well over the years. I enjoyed your write up on the project along with the photos. Keep up the good work
The trucks went from Datsun to Nissan in the 83 model year. They made some front end changes too, bumper, valance and grille were all tweaked with . They also lost the vents on the hood for the switchover year.
I'm excited to see the kit return to the fold, its simple but builds up well. I'm thinking some lift and the tires from the jeep Rubicon kit. The kits 6 lug wheels would be accurate too.
The hardbody model of truck started in the 86 1/2 model year and the long bed regular cab hardbodies were dropped after 89