for 19 turn, i wouldn't think it would matter. with a shaft, you have to be much more under control with the throttle. i tend to be an "on or off" driver, meaning full throttle or nothing, and i am MUCH FASTER with my MSX. I have been shaft from the beginning, and the MSX was my first belt car, and I love it.
i have been fooling around with different setups for about a month now, and last week i was able to finally get my evo IV as fast as my MSX, but later that day, i shattered my best with the MSX.
Hence, the MRE should be on my doorstep on Wed!!
sorry to add water to the mudhole!