Rob, you say you dialed in 7 degrees caster on your Lexus...that's a lot. I assume that you have power steering? My Mclaren ran 4.5 to 5 degrees and I thought that was a lot...but then again there was 11"+ of contact patch on the ground and the tires were gumballs...when they got hot it took a fair amount of strength to muscle the wheel.
Julian how much caster does your race car run?
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