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Valve stem caps (Should they stay or can they go?)

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Old 05-22-2008, 01:49 PM
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Valve stem caps (Should they stay or can they go?)
During track days, I'm constantly checking my tire pressures so I take my valve stem caps off and leave them off.

Does anyone know why or if that's a bad idea?
 
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Old 05-22-2008, 06:37 PM
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Depends in what direction they point. If they point outward, away from the rim you are OK. If they point more in toward the center of the rim then you need caps.
 
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Old 05-22-2008, 06:45 PM
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They point out so I guess I'm ok. What happens if they are pointed in toward the center of the rim? Loss of air?
 
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Old 05-23-2008, 05:13 AM
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Yea, centrifugal force can open the valves.
 
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Old 05-23-2008, 07:11 AM
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If you have chrome stems check to make sure they can't come off with the caps removed.
 
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