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Given that this thread is nearly 2 years old I figured there might be some more experience with the F80 on track. What are folks using for starting and target hot temps with the stock MPSS?
I just completed my first track event with this car and started at 31 all the way around but the fronts were up to 48 PSI before the first session was over so I started dropping pressures. I ended up dropping to around 26 PSI starting pressures which is typically where we start the Corvettes on MPSS run flats. That usually brought me in the 32-26 PSI hot pressures but saw a ton of sidewall roll-over and corded the outer edge of the front tires in 2 days.
Since this isn't my primary track car I plan on sticking with the MPSS when I go to the track but can't afford to run through a set of fronts in a weekend. Should I just start at 32 PSI and deal with the high pressures and lack of grip? I surprised both by how much the pressure climbed in this car and how much the sidewall rolled over.
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