Originally Posted by scottIN

Shoes will make a huge difference. In my kart, I usually wear my Piloti kart shoes. One day I was just going out for a couple laps to test something out so kept my Vans on. It was pretty much impossible to drive. Went from a thin, stiff sole to a thick, cushy one and literally coudn't keep it on the track becasue my acceleration points and braking points were all thrown off.

With a pedal as stiff (which makes it sensitive) as on a Z, you get the same issues.