Originally Posted by terryh
I havn't driven a 415 so can only say that it is generally considered that shaft is better for stock and belt better for mod. That said, I know quite a few guys that race 415's in stock and are very fast, maybe they might be faster with a shaft

You wouldn't know anyone wanting to do a trade? I have a TA05 and where I run I keep destroying centre pullies and belts with rocks. I wouldn't want to start doing that with the 415 aswell so it's just sitting collecting dust till I either find a replacement or somewhere cleaner to run.