Originally Posted by CraigM

Ah good questions. At RROC Marc and Viktor both told me they always run the grub screw, and Marc said that the main difference is that it gives more steering

The chassis do feel different, the soft obviously has a bit more grip and I find it has more low speed steering while the hard carries more corner speed and is easier to free up. The set up should not change too much between the two, but Marc told me at RROC he was running more ackerman shims with the soft chassis compared to the hard, 5mm with soft vs 4mm with hard.

At the moment I'm running the hard