XRAY - Model racing cars

Another newbie question:

I do not race and therefore not looking for the best track time, just bashing around to appreciate the smooth and precise handling of T2

I bought a T2'007 which is already built, and it came with a BEAUTIFUL TiR titanium spool in the front. I notice that during a tight and on-power turn, the front end would shake/vibrate a little bit, not much but noticeable. My guess is that the the spool does not allow the inner and outer wheels to spin at slightly different speeds, causing them to periodically "slip", and hence the shake.

Before trying a standard diff in the front, I'd like to learn from you experts whether that was the case, and whether a standard diff will make the handling smoother during tight turns. And potentially what I am trading off by switching from spool to diff (other than the shiny titanium look which I love)?

Thanks a lot,

Michael