Quote:
Originally posted by chibone_914
Guys! never run a metal valve stem (it's actually nickel-washed brass or pot-metal) I have seen these things shear off at the track when debris hits the valve laterally. Just use the rubber valve stem with the stem support and you'll do fine. Oh yeah, just change the stems every season so you will decrease your chances of having the rubber stems fail due to drying out and shrinkage.
Oh yeah, most shops do not know how to properly install a metal valve stem anyway and end up pinching one or both of the small rubber seals on it, creating your leak again. Plus these seals are more susceptible to drying out and shrinking/cracking due to the heat cycling the wheel goes through. Rubber stems have, well a big, fat rubber base that is far more resistant.
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Dude - Ever get out to the track much?? You know the guys that race for a living and millions of dollars in prize money with life and limb at stake?
Ever see rubber valve stems on any of those cars? (The answer is no btw)
You need to leave the village and get out a bit...
-Jeff