Looking at this kit, the ertl transtsr 4070a and other truck kits from the early 70s and comparing them to later kits, it seems these kits are really better than the stuff from the late 70s early 80s. Don't get me wrong, I love the amt mack kits (r series and cruiseliner for eg),but the earlier kits seem better executed. The moebius lonestar and prostar are probably the modern example of how a kit should be done.
Ben