I've attached the flats of two Fortner team cars, the 44 and 88. Any render works great. Maybe see if you can sneak in a two-car draft scene. The 44 and 88 all go on the Chevy mesh.
Check 'yo PM. I had a little brain fart in my comment I was going to make, but then I clicked Back instead of finishing them. I was beginning to say something like "Awesome renders" and the like and I got click-happy. They look awesome, dude.