Originally Posted by DR_

I took off the nut just to see how far they would go and I got -4.2 degrees. If you are willing to modify the arms it would be really easy to cut the extra off the end of the arm where the ball joint screws in. So doing that with a thinner nut and I bet -3.5 is achievable, which is probably more than enough.
I am monitoring tire temps at this weekend’s event to see how my –2.7 degree does.