Great to see you got this fixed! I remember when it was broken and I couldn't spawn a buggy, but I can finally spawn one again. Thank you for making sure this mod works and for continuing to work on it for over a year!
I love this mod and its really good, but I have found an issue with the drag buggy and the others. I found that once you get to high speed the rear axle becomes unstable and the rear wheels wobble like...a lot. And this will lead to a loss of traction. Maybe thicker axles? idk but it's still a great mod anyways.