those stick shift guys are gluttons for the punishment ... i knew the schaechter brothers feet and shoes for 6 months before i saw them standing up !!
and the vegas guys out there jetting etc. trying to dial in the weather and its always 100 degrees and 27.70 barometer with a somewhat air / burned jet fuel mixture
was at tylers race last year st louis april was -2600 feet > no hard work there i never opened hood and it was cool so no sweating