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Old 04-05-2010, 01:21 PM   #21 (permalink)
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I would go up to 50 psi if the tires are rated for that then come back down to what ever you are comfortable at. newish car with newish shocks in good condition would give me no pause to using max psi, understand though that I would be feeling for bouncy tires as speed increased. In the winter I get some wicked wheel hop when I spin the tires on icy snow.

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Old 04-05-2010, 05:29 PM   #22 (permalink)
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yeah you can max em up to 51 no problem should make a bit of a difference
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Old 04-05-2010, 11:54 PM   #23 (permalink)
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So can you really pump up your tires higher than it says on the door? I emailed bridgestone and they said to always use the pressure on the door. I experiment with my bike tire pressures a lot and I'm not opposed to a slightly bouncier ride or a little less grip if the rolling resistance is less. I just don't want them to blow up or anything dramatic like that!
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Old 04-06-2010, 12:41 AM   #24 (permalink)
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Quote:
Originally Posted by Fastskiguy View Post
posed to a slightly bouncier ride or a little less grip if the rolling resistance is less. I just don't want them to blow up or anything dramatic like that!
I'd run 50PSI, you will get better MPG because of it.
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Old 04-06-2010, 10:57 AM   #25 (permalink)
Smeghead
 
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escort - '99 ford escort sport
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The pressure on the door is the auto manufactures recomended pressure (for ride and handling). The pressure on the tire is the tire manufactures safe upper limit.
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Old 04-06-2010, 02:45 PM   #26 (permalink)
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Keep an eye on your tread wear pattern. If you see it wearing more in the center, you have the pressure too high for your vehicle's weight.
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Old 04-06-2010, 10:09 PM   #27 (permalink)
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I upped mine to 40psi today and I was running 22.8mpg, managed 24.0mpg today and didn't exactly make the best at the lights. I'll keep running it at 40....update in a few days

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