Originally Posted by M-Technic

fly_wheel, with my S400 I kept the ackerman in the stock location (whatever the setup manual suggested) but I narrowed the front end by switching to different toe blocks. The stock toe blocks are 3* in the front and 1* in the rear. I switched to 2* and 0* which kept the 2* of arm sweep but narrowed the front end. This helped the overall steering, and it was a similar change to using narrow wheel hexes, which I didn't own.

I also knew some Serpent team drivers that preferred to run no arm sweep at all, which gives you more entry steering but less mid and exit steering.