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Originally Posted by marinpa
I have 5 training cars, all Crown Vics, they all run on 50 PSI (41 sidewall max.)
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So I'm using the same sort of pressure as your training cars, simply because of the higher rating of my tires, but I bet these cars are heavier than mine at 3100 lbs fully fueled, no driver, no load.
Quote:
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The only "drawback" while driving on high PSI is a stiff ride.
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Developing into a bouncy ride when the suspension is cheaply designed, or getting worn.
There definitely is a point where you need to stop inflating the tyres further.
I'm not going to run my rears @ 60psi, it'd be downright dangerous.
Hence, you can't make a generalized claim of running tyres 10psi over their rated pressure without knowing the car and the tyres.