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Tire Pressure

698 Views 7 Replies 6 Participants Last post by  HIBBoyScott, 
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I know someone will have the answer to this one...
Is correct tire pressure more critical in low profile tires, such as those on the IS300?
My tires had lost about 2-3 lbs so I topped them off and I noticed (or thought I noticed) a significant difference in ride and handling.
My IS is the first car I've owned with low profile tires and I was just wondering if small pressure changes can really make a handling difference?
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Originally posted by JakeB:
The car manufacturer has the correct tire pressure, based on vehicle weight, suspension, handling, etc. You should never run the maximum pressure, because you sacrifice handling and risk a blow out. ...you should always set the tire pressure to the car manufacturers pressure when the tires are cold.

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Unless of course that manufacturer is Ford and you have a vehicle equipped w/ Firestones...
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