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I call straight BS on those pressures especially for the PS4s. I track regularly around the US and have been tracking on the PS4s for years. Their sweet spot is about 33-34 and I usually go our 29 front 28 rear depending on the track and ambient temps.
I think they were just messing with you because anyone going out with 40+ PSIs cold is not a track rat and not someone I would take advice from.
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