What spring rated and sway bars are you running?
I found I was also about 3sec faster on my home track with my car after the, suspension and LSD install this summer.
My rides a 2002 SVT track car, & Boosted 2007 ST with the SAP.
The helmet has a special meaning for many drivers. How important is it to you? - It protects my head.
Do you have any special rituals when the helmet is concerned like many have? - I wipe it so that I can see better.