Thanks. It really is a pretty straight forward mod. If someone were to make a shock tower that would just work, it might become popular. I'll be getting a weight soon. But by feel, with batteries and all RTR it feels about 1-2 lbs lighter them a E-revo with no batteries. It's funny about the race class, I've been thinking about this lately. I've got 3 vehicles based on Slashes, that IMO handle way better then stock ones do, and would be fun racing. But none of them fit into any class that I could race. Maybe a Ten-T class would let me race my ST Slash with them. I've never worked with carbon fiber, would it be easy to make a shocktower out of it?