XRS - Cotswolds

Last weekend, I attended the XRS event at the great Cotswold track in the UK. The grip level at this track is medium level. The race was run under BRCA rules, which meant that we were running the Rush 32 (SPC32MR2) tire with the Spider Grip Red additive. Although I do have a lot of previous experience from this track, running the X4 platform for the first time on asphalt in the UK, together with a spec tire that is radically different, it was a steep learning curve, but very productive in the end, with big improvements in performance found. I will share our best findings, as well as my final set-up sheet: