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Car shakes around 70-85 mph

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Old 05-10-2010, 04:10 PM
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Default Car shakes around 70-85 mph
ok... So I decided to check my tire pressure and all 4 of my tires had exactly 30 psi in them. The max psi for stock tires is 51 psi so I decided to go with 45-48 psi in each tire. Could this cause this sudden shaking with my car? It's an 05' w/ 46k miles and the back two tires need to be replaced some time in the future. But this wouldn't justify why it started shaking all of a sudden. Thanks for all inputs...oh yea I did a search and couldn't find anything that directly matched up...
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Old 05-10-2010, 04:15 PM
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Overinflated IMO. When they get hot they will more thank likely be the max and not taking into account ambient temps either
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Old 05-10-2010, 04:16 PM
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that seems like a ton of pressure lol, but id check the balance on your tires. ie check and make sure the wheel weights havent fallen off.
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Old 05-10-2010, 04:18 PM
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Yea I think I did overinflate them, but what is the average psi they are supposed to be inflated to?
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Old 05-10-2010, 04:22 PM
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Doorjam says 32 for various reasons like comfort etc
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Old 05-10-2010, 04:28 PM
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Originally Posted by pkolaboy,May 10 2010, 08:10 PM
So I decided to check my tire pressure and all 4 of my tires had exactly 30 psi in them.


Originally Posted by pkolaboy,May 10 2010, 08:10 PM
The max psi for stock tires is 51 psi


Originally Posted by pkolaboy,May 10 2010, 08:10 PM
so I decided to go with 45-48 psi in each tire.
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Old 05-10-2010, 04:36 PM
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Originally Posted by Mark355,May 10 2010, 04:28 PM








lol yea I figured they were low for some reason... I think Imma change it back to 32 psi and see if the shaking goes away...
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Old 05-10-2010, 05:34 PM
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Mine shakes around 175 I think I'm going to check my tire pressure too
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Old 05-10-2010, 06:09 PM
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Originally Posted by Competitor9,May 10 2010, 05:34 PM
Mine shakes around 175 I think I'm going to check my tire pressure too
175? Good lord man. I'm sure it's not just the tires but the whole car. "Danger to manifold!"
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Old 05-11-2010, 06:18 AM
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Originally Posted by JDMQuip,May 10 2010, 09:09 PM
175? Good lord man. I'm sure it's not just the tires but the whole car. "Danger to manifold!"
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