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Old 12-20-2010, 12:40 PM   #1
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what is easiest way to fill inside rear tires?

It is a pain to fill the inside rear tire. A friend told me about a product called " Cat Eye" it mounts to both the inside and outside tires and one valve fills both tires the same. It also has a easy to see Cat Eye that will alert you if you are losing air.
Anyone know of this product? or a better way? thank you
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Old 12-20-2010, 12:55 PM   #2
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I use a product called Crossfire. I believe that you would be better off with it rather than the Cat's Eye.

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Old 12-20-2010, 03:27 PM   #3
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Crossfire

With this system, if one tire goes flat would that cause both tires to go flat?
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Old 12-20-2010, 03:36 PM   #4
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We have specialty long, metal tire stems (there are NOT extenders!!!), from the Tireman.
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Old 12-20-2010, 03:36 PM   #5
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NOT TRUE. Have run the crossfires for the last 8 years on my 22.5 tires When one tire loses air there is a ck valve that. stops the release. I like them. Just do a walk around when you stop then you know where you stand.
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Old 12-20-2010, 03:39 PM   #6
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I agree, Crossfire is the best system. Easy to check pressure, it equalizes the pressure in both tires and if one goes flat, it has a check valve.
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Old 12-20-2010, 03:46 PM   #7
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Quote:
Originally Posted by ahobgood View Post
With this system, if one tire goes flat would that cause both tires to go flat?
There is a check valve in the body of the Crossfire that shuts off the flow from the inflated tire so it doesn't go flat. You can read about the exact pressure where the valve will shut however if I recall correctly I believe that it's something like 10%.

With the Crossfire in place you have a single point of inflation that will assure equal pressure between both tires. I also have a TPMS sensor on the inflation valve to I can monitor the pressure.
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Old 12-20-2010, 04:06 PM   #8
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I also have the CrossFire system. Easy to visually check and only need one tire pressure sensor on each dual.
If one tire on dual goes flat I will change both because of unseen likely damage to the "good" tire that has been overloaded from carrying the load of two tires. Although two new would go on the front and old front on dual to match the opposing dual.
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Old 12-20-2010, 09:44 PM   #9
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With the Crossfire with TPMS, and one pressure sensor on the duals, how are you alerted that the one tire has lost air?
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Old 12-20-2010, 09:51 PM   #10
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With the Crossfire with TPMS, and one pressure sensor on the duals, how are you alerted that the one tire has lost air?
Since both tires display as one tire if you use a single sensor. The sensor array has a low pressure warning that can be set for 15% below the recommended inflation pressure when using a TST System.
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Old 12-20-2010, 10:11 PM   #11
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The sensor has pressure and temperature of tire(s) and high and low alarms can be set for each tire(s).
From Dual Dynamics:
Blowout and Leaks
Crossfire employs a safety feature that automatically isolates the "good" tire in the event of a blowout. When a blowout occurs, the internal safety valve closes immediately with only a slight loss of pressure to the "good" tire.
In slow leak situations, the valve isolates both tires after a pressure drop of approximately 10 P.S.I.
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Old 12-21-2010, 08:18 AM   #12
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All,
I see a problem. This might work on a pickup, but I see 20 PSI variations in pressure as a common occurrence with 19.5" tires. Pressure changes (in the 80-100 PSI range) about 1 PSI for each 2 deg. F change in temperature. Cold mornings can be noisy; usually about 3 AM.
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Old 12-21-2010, 08:49 AM   #13
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Why is cross fire better than cat eye?

Why is cross fire better than the cat eye? thank you
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Old 12-25-2010, 02:38 PM   #14
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I will stick with the Dually Valve Stems. www.borgtiresupply.com

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