First things first, this build fought be from start to finish! I have built this conversion before using the old AMT KW cabover kit. This attempt I used the Tyrone Malone KW cabover. The cab was actually easy this go round. Instead of using putty to fill the gaps, I used melted styrene to fill all of the seems. Melting the styrene is quite easy, I cut the model sprue into small pieces then let it sit in a bottle of Plastruct Plastic Weld for a couple of hours. Once the plastic melted, I used the applicator that came with the plastic weld and dabbed it on the cab, let it dry, then sanded. Modifications include; shortening the frame, replacing the Detroit engine with a Cummins 350, shortend fuel tanks, and a few more small things that I have forgotten. Thanks for viewing and stay safe everyone!!!