I did nothing to the DCT and you don't have to raise any limiters, especially the 3.45. As enricobob mentioned, have heard issues with the 3.62, but have not heard nor experienced any problems with the 3.45 and DCT. Limiter raising, I believe, is done to counteract the problem of losing speed due to having to shift earlier, but not necessary. It works great on my home track and love it on the city, but as stated, not cheap and is fairly idiosynchratic in its application. But love it