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 > dually valve stems?

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Shipper

Lower Alabama

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Posted: 06/19/08 03:49pm Link  |  Quote  |  Print  |  Notify Moderator

Do you have your valve stems together or are they 180 degrees opposed? Having them together is more convenient for checking them, but it seems 180 would balance them better. I was going to use valve extensions to make it easier to check and fill, but have seen mostly negative comments. Any different approaches or comments? Thanks!


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Phils

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Posted: 06/19/08 03:58pm Link  |  Quote  |  Print  |  Notify Moderator

The stems should be 180 apart. Some wheels are manufactured in such a way that they'll only mount that way.

I worked in a tire shop for years and saw many tires that were ruined by valve stem extensions. Sometimes they'll develop a leak from movement, sometimes they don't. Many people use them successfully. I don't think it's worth it.

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crickeydog

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Posted: 06/19/08 04:01pm Link  |  Quote  |  Print  |  Notify Moderator

180 and steel stems and no extensions.

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ozman

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Posted: 06/19/08 04:06pm Link  |  Quote  |  Print  |  Notify Moderator

I will never use extenders again, 2 differant sets and both leaked. I check pressure once a month on my hands and knee's.

blt2ski

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Posted: 06/19/08 05:52pm Link  |  Quote  |  Print  |  Notify Moderator

Owned at least one dually since 89 in my fleet of 3-4 trucks running down the road for business. NEVER had valve stem extenders, NEVER balance the rears, the stems ARE 180 deg from ea other! So any way, wonder how many hard and pat rules I supposedly brokeded!

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johntank

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Posted: 06/19/08 07:07pm Link  |  Quote  |  Print  |  Notify Moderator

Shipper wrote:

Do you have your valve stems together or are they 180 degrees opposed? Having them together is more convenient for checking them, but it seems 180 would balance them better. I was going to use valve extensions to make it easier to check and fill, but have seen mostly negative comments. Any different approaches or comments? Thanks!



I have mine together, if the tires/rims are balance I would think it would not matter in what relationship they are to each other. JMHO

NC Hauler

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Posted: 06/19/08 07:45pm Link  |  Quote  |  Print  |  Notify Moderator

Mine are together, metal valve stems and the steel flex entenders. I have yet in almost 9,000 miles to have had a leak. I check tire pressure about every 2 weeks, when going to tow sig 5er, I check the tire pressure the morning I'm leaving. Have YET to have had a leak, no rub marks, have worked exactly the way I expected them to. Tires are Michelin instead of the OEM Generals that were on the truck new, but that shouldn't have anything to do with it. They're on "good & tight".


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bobsallyh

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Posted: 06/19/08 07:52pm Link  |  Quote  |  Print  |  Notify Moderator

If you have a Dodge dually with 5 hole wheels, how do you get them 180. Came from the factory with valves looking at one another. New tires mounted and same picture.

stickyeye

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Posted: 06/19/08 08:37pm Link  |  Quote  |  Print  |  Notify Moderator

If the wheels are balanced like they should be then it doesn't matter where the valve stems are. If you then add the braided steel type extensions you want to have them 180 deg. opposing each other because you added them after the wheel was machine balanced thus throwing it out of balance, just like adding another weight. At least by having the extensions opposing you kind of cancel out the effect. With that said, I've heard of some leaking issues with extenders. Make sure you get the type that only open the rim valve when the extension valve is pressed. There is a cheaper type that always keeps the rim valve open and keeps pressure in the extension allowing for a better chance of leaking. The type I went with are rim mounted extensions for your specific truck and allow for balancing with the valve installed. A bit pricey but they work great and you hardly notice them - Tire Valve Extenders


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Shipper

Lower Alabama

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Posted: 06/21/08 01:07pm Link  |  Quote  |  Print  |  Notify Moderator

stickyeye wrote:

If the wheels are balanced like they should be then it doesn't matter where the valve stems are. If you then add the braided steel type extensions you want to have them 180 deg. opposing each other because you added them after the wheel was machine balanced thus throwing it out of balance, just like adding another weight. At least by having the extensions opposing you kind of cancel out the effect. With that said, I've heard of some leaking issues with extenders. Make sure you get the type that only open the rim valve when the extension valve is pressed. There is a cheaper type that always keeps the rim valve open and keeps pressure in the extension allowing for a better chance of leaking. The type I went with are rim mounted extensions for your specific truck and allow for balancing with the valve installed. A bit pricey but they work great and you hardly notice them - Tire Valve ExtendersStickey

Thanks for all the good advice. I finally went to the Ford dealership and checked the new dually's on the lot. All came from the factory with the valve stems together. Decided to fore-go the extenders from most of the negative comments-did like the ones above, but didn't see them for 17" wheels. Still trying to get them balanced. Cheers!

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