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Pilot Sport Tire Pressure
What pressure are you Pilot Sport owners using?
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Hey Joe,
I use 22-24 in the front 285s and 24-26 in the rear 335s. |
you ever try higher pressure? I'm running 28 all around. The tires are rated to max 51psi. Curious what 35 psi would do to the handling
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I never go over 22...
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for real? Man that sounds aweful low. Why so low?
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Hmmm,,,, 22 is about what I run in my BIG Letter Goodyears, as do a few of my friends with replicas running Goodrich T/A's.
Light car with BIG tires = low psi I run 15 at the drag strip for a little more "bite" out of the hole, but the car gets squirly in the rear when I "nail" 2nd gear with the pressure that low. 22 also greatly improves the ride quality with a little softer tire. The key is watching how the tires "wear". Good even wear across the tread indicates your psi is correct! 22, working for me. |
I run 34psi on the BFGs and the handling is much sharper than the 26-28 psi I used to run. Bias ply behave differently than radials too relative to air pressure.
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Watching tire wear is the key. Most of the wide tires used on Cobras these days take considerably less pressure than you would think.
If you can find some powdered chalk lay out a strip of it and roll the car over the strip and compare the imprint left by the tire to the tire itself. If the pressure is too high you won't get a full width print. If too low you'll get a wider than tread surface print. You can also use a pyrometer to measure the heat of the tire across the tread surface after running them for a bit. Colder on the outside edges of the tread is too much pressure. Hotter on the outside edge is too little. Target is the same temp. across the tread width. I'm running 27 lb in my Goodyear DS-G3's 275/315 combination and it seems maybe a bit high. Something I still need to take care of. DonC |
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