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Old 01-08-2013, 12:16 AM   #15
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As an ex Pressure Pro distributor/dealer I can say that they recommended solid stems.
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Old 01-08-2013, 04:42 PM   #16
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Quote:
Originally Posted by macnut View Post
Where does one go to get metal tire valves installed so that extenders are not necessary? Since I have an F53 chassis, would I go my local ford dealer? There are no truck shops in my area that I know of.
I put BORG stems on my F53 after having a braided extension leak and ruin a tire. ( not the first time either) I will never use extensions again Dually valve kits for Motor-homes, Busses and 6-wheeled chassis
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Old 01-08-2013, 05:36 PM   #17
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I sent an email to Dan Covington ( president of TST ) and here is my email and his response.

Cliff


Good evening Cliff,

I personally run the braided hose extenders. 80% of the time, they function correctly without issue.

There are some lesser quality brands of extenders, and if they are not a quality extender, then there can be system performance issues with them.

The extenders sold through Camping World or Always Shiny Wheels and RV typically perform well with our system.

Thank you!

Daniel Covington
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Cumming, GA 30041
www.tsttruck.com
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-------- Original Message --------
Subject: Braided valve extensions
From:
Date: Tue, January 08, 2013 6:26 am
To: Tst Dan Covington <dcovington@tsttruck.com>

Hi Dan

Hope all is well.

There is a debate going on about the use of these. Here is a photo of my rear wheel that has had your 510 sensors on for almost three years without a problem. What is TST's opinion on them ?
Thanks
Cliff




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Old 01-09-2013, 07:40 AM   #18
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Each RV owner has the right to choose whatever they want to do to their RV. What works for some does not work for others.

We all have our opinions but it's the OP who posed the questions who is looking for information. Once they read ALL of the OPINIONS on the pros and cons, then they can make an educated decision for themselves.

There is no right or wrong when it comes to various products. That's the beauty of the Internet because there is so much information made available to us now.

It in now in the OP's hand to make their decision whether to use braided extensions or not.

Dr4Film ----- Richard
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Old 01-09-2013, 08:03 AM   #19
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It in now in the OP's hand to make their decision whether to use braided extensions or not. Dr4Film ----- Richard
I always try to go as bulletproof as possible whenever I get the opportunity, so I've decided to have a tire shop install rigid valve extensions on my inside dually to eliminate as much as possible any potential for problems. The ost to do so, IMO, is worth the expense and peace-of-mind.

I don't like the 80% success rate that TST noted in his email response to Cliff, I would rather shoot for something a bit more reliable.
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Old 01-10-2013, 07:06 AM   #20
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I always try to go as bulletproof as possible whenever I get the opportunity, so I've decided to have a tire shop install rigid valve extensions on my inside dually to eliminate as much as possible any potential for problems. The cost to do so, IMO, is worth the expense and peace-of-mind.

I don't like the 80% success rate that TST noted in his email response to Cliff, I would rather shoot for something a bit more reliable.

I totally agree, and that's why I recommended NOT to have them, but it's really up to the OP as to what THEY want to do after reading everyone's opinions.

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Old 01-10-2013, 08:29 AM   #21
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I had a similar discussion with TST about extenders. Of course, extenders add another place for air to leak out. My extenders are mounted to the hub cover and I had to redo the pop rivets attaching the mounting brackets to the hub so I am not particularly fond of that set up.

Another issue is the temperature sensing of the sensors. I think that any external sensor will have some tendency to heat sink the internal tire temp but long, braided extenders would seem to really do so. As an example, last summer when it was 100*+ I seldom saw rear tire temps get above 115*. That just doesn't make sense. I would expect something more than that.
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Old 01-11-2013, 08:04 AM   #22
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Another issue is the temperature sensing of the sensors. I think that any external sensor will have some tendency to heat sink the internal tire temp but long, braided extenders would seem to really do so. As an example, last summer when it was 100*+ I seldom saw rear tire temps get above 115*. That just doesn't make sense. I would expect something more than that.
What you have observed with the temps of TIRES taken from an external TPMS sensor is exactly what I have been preaching and recommending to people on iRV2.com. However, there are those that will listen and those that won't. So I now let them discover it for themselves. Some people have actually chose to purchase a certain TPMS solely because it can measure tire temps. Oh well, it's UP to them, their money.

There are NO external TPMS sensors that can accurately measure the temperature of a tire. If the sensor was attached to the inside of the rim, then it would be far more accurate than ANY external TPMS sensor.

People are far better off if they purchase a laser IR Temperature gun and use that to measure both tire and wheel hub temps. The correct place to measure the temperature of each tire is approximately 3-4 inches below where the tread meets the side wall. The correct place to measure the wheel temp is as close to the center where the hub bearings are located.

Again, you are looking for major differences between temps taken on the same side of the RV.

Just my opinion.

Dr4Film ----- Richard
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Old 01-11-2013, 09:02 AM   #23
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What you have observed with the temps of TIRES taken from an external TPMS sensor is exactly what I have been preaching and recommending to people on iRV2.com. However, there are those that will listen and those that won't. So I now let them discover it for themselves. Some people have actually chose to purchase a certain TPMS solely because it can measure tire temps. Oh well, it's UP to them, their money.

There are NO external TPMS sensors that can accurately measure the temperature of a tire. If the sensor was attached to the inside of the rim, then it would be far more accurate than ANY external TPMS sensor.

People are far better off if they purchase a laser IR Temperature gun and use that to measure both tire and wheel hub temps. The correct place to measure the temperature of each tire is approximately 3-4 inches below where the tread meets the side wall. The correct place to measure the wheel temp is as close to the center where the hub bearings are located.

Again, you are looking for major differences between temps taken on the same side of the RV.

Just my opinion.

Dr4Film ----- Richard
Richard...

I'm "listening" but I have a question.

I agree that external temp sensors can't be as accurate as those which are internally mounted, but if what we're looking for is "major differences between temps taken on the same side of the RV" does it matter? It seems the temps relative to each other is more important than the accuracy of the absolute temperature.

Rick
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Old 01-11-2013, 04:14 PM   #24
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They work fine on my coach. I would recommend that you insure your extensions are secured to your wheel covers. A friend had braided extensions installed at the last rally then purchased the TPMS. The installers didn't secure the extensios so the sensors were flopping around, which is no good. We installed the supports that came with the extensions and the installers failed to use.

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Old 01-12-2013, 07:58 AM   #25
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Richard...

I'm "listening" but I have a question.

I agree that external temp sensors can't be as accurate as those which are internally mounted, but if what we're looking for is "major differences between temps taken on the same side of the RV" does it matter? It seems the temps relative to each other is more important than the accuracy of the absolute temperature.

Rick
In some cases, depending on how MAJOR the difference is, probably not. if the temp is severe enough, by that time your tire is probably well on its way to being toasted well done. Once a tire reaches a certain temperature it starts a self-destructing process which cannot be stopped.

The main thing to remember is that the external sensors will be measuring the tire temps well after the heat has dissipated through various heat sinks along the way to the sensor. Therefore, it really depends on how fast that heat sink process is working.

My previous TPMS, Doran, only measured the sensor temp to prevent the sensor from self-destructing. It had a threshold of 275 F degrees.

I recently purchased a new TPMS from Tire-SafeGuard and have only tested it while parked during the initial installation and programming. It does measure tire temps so once I take my first road trip with it, I will have a better understanding of the temp differences as measured with the sensor versus with the Laser IR Temp gun that I use for the tires and wheel hubs.

It will be interesting to see what I discover.

Dr4Film ----- Richard
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Old 01-12-2013, 08:37 AM   #26
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TPMS sensors only weigh .3 (that's point three) ounces. Ours have been used for 4 years with no problem.
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Old 01-12-2013, 08:41 AM   #27
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TPMS sensors only weigh .3 (that's point three) ounces. Ours have been used for 4 years with no problem.
Which TPMS System are you running?
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Old 01-12-2013, 09:13 AM   #28
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The TST 507 sensors are 13 grams which converts to .45 OZ.

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