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Old 01-11-2016, 10:17 PM   #71
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I have them on both my F-250 and my Classic 30' slider. After 20,000 plus towing miles, no wear observed.
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Old 01-11-2016, 10:55 PM   #72
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Are they available in Canada?
How 'bout other brands that do the same thing?
I don't know about other brands that do the same thing, but since you order from the manufacturer, I would think that they would ship to Canada. In my case, since I was having all new running gear installed at JC, I had them shipped there.
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Old 01-11-2016, 11:12 PM   #73
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Tagging in so I can find it again


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Old 01-12-2016, 11:14 AM   #74
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One could save TX sales tax by shipping the Centramatics to your future camp site in another state.

I have had Centramatics installed on both Honda GoldWing motorcycles, all the Airstreams past and present and the 2012 Dodge Ram 2500HD diesel pickup.

I also have installed either 15" LTX (P) 235/75R15 XL or 16" LT225/75R16/E LTX M/S2 Michelin tires along with the Dill 1506-3453 TPMS system and the appropriate sized and matching SenDel wheels (T03-66655T for the Classic and T03-56445T for the 23D). I also used the McGard 24138 Chrome Cone Seat Wheel Locks and McGard 64010 Chrome Bulge Cone Seat Style Lug Nuts (1/2" - 20 Thread Size) acquired from Amazon.

Since the 23D wheel bearings were not properly lubricated by Dexter axle during assembly and not checked by Airstream at the factory or the dealer, we had to properly lubricate three of them and replace a scored set after driving under 2,000 miles from the dealer to Texas via CanAm in London, Ontario. This last of attention to detail would make one doubt the 14" drum brake castings were even balanced in China. Thus the Centramatics make sense to help balance the drum casting along with the spin balanced Michelin tires.

The Classic was converted to Kodiak disc brakes and would be balanced to start with. The Centrmatics help keep all the wheel components in balance since the Dill DPMS valve stem sender is mounted inside the tire.
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TV - 2012 Dodge 2500 4x4 Cummins HO, automatic, Centramatics, Kelderman level ride airbag suspension, bed shell

2014 31' Classic model 30 twin beds, 50 amp service, 900 watt solar system, Centramatics, Dill TPMS, disc brakes, 16" tires & wheels
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Old 01-23-2016, 09:51 AM   #75
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I haven't had the time this weekend to fully research, but wondering if anyone here has a quick answer in the meantime. I've got 15" sendel S20's and believe I read somewhere that the 16" Centramatics would fit and give a hair extra balancing force over the 15"s. Can anyone confirm this?
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Old 01-24-2016, 04:03 AM   #76
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You may find out that the Centramatic 16" 6 bolt pattern "#300-356 all A plates" would not allow the the 15" wheel to fully seat as they could be against the fingers of the wheel. They will work with you to exchange them, but you eat the freight three times.

The recommended Centramatic 15" 6 bolt pattern "#200-221 Special" should have no issues.
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Old 01-24-2016, 06:27 AM   #77
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I had Centramatics for several years but one of them must have leaked the oil or something because the balls seem to have gotten stuck and quit rotating freely in the housing. I then bought a set of ceramic Dynabeads for about the same cost as one Centramatic replacement and have been using them with good effect. When I change tires, I slice the sidewalls open and extract the Dynabeads because they are reusable.
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Old 01-26-2016, 10:39 PM   #78
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Confession

I have been reading that folks were buying Centramatics because the brake drums were not balanced. However, it did not connect until I read that the brake drums were balanced by the factory along with the wheels and tires as a set. Therefore the smooth ride that we see goes away if the wheels are rotated or the tires are replaced. Any modification kills the drum balance. Felt real dense when I finally figured it out. So, we will order the Centramatics tomorrow. Pat
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Old 01-29-2016, 08:19 AM   #79
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Originally Posted by PKI View Post
I have been reading that folks were buying Centramatics because the brake drums were not balanced. However, it did not connect until I read that the brake drums were balanced by the factory along with the wheels and tires as a set. Therefore the smooth ride that we see goes away if the wheels are rotated or the tires are replaced. Any modification kills the drum balance. Felt real dense when I finally figured it out. So, we will order the Centramatics tomorrow. Pat
Where did you read this? Its pretty interesting, but if true, it basically means that every vehicle on the road passed its first rotation is not balanced. It makes sense but I question if it is true.

The most logical thing would be to balance the drum or rotor alone, then balance the tire.

I have balanced many tires when I was younger, I know for sure the machine we had could not also do the brake drums. It only allows wheels on the balance.

So good info, I think we need to verify, or buy Centramatics and not worry about it.
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Old 01-29-2016, 08:38 AM   #80
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Based on every trailer I have had, and the lack of weights on ANY wheels, and the lack of ANY grinds and/or cuts on drums (rotors), I don't believe ANY balancing is done to the entire rotating mass when built.
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Old 01-29-2016, 09:13 AM   #81
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[QUOTE=Ted S.

I have balanced many tires when I was younger, I know for sure the machine we had could not also do the brake drums. It only allows wheels on the balance.

So good info, I think we need to verify, or buy Centramatics and not worry about it. QUOTE)

I had a 63 corvette in 1981 had the front assembly balanced on the car. The shop had a machine that pushed up against the tire and spun it to 70mph. They placed a piece of tape on the grease cap and a strobe sensor next to the tire. When the tire vibrated the sensor lit the tape and they placed weights accordingly. That car was smooth at 140mph ,and had a 90+ ticket to prove it. At 21 I was young and dumb, and hormones made my decisions. Tire failure never crossed my mind at that speed. Now I'm old and dumb and hormones still make my decisions. Ordering 200-221 today. Thanks for the advice everyone.
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Old 01-29-2016, 11:53 PM   #82
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Old 01-30-2016, 02:36 PM   #83
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Picture

Info was part of a manual picture that instructed you to mark the wheel and brake hub so it would be replaced same if repaired. Said the whole rotating package was balanced together. Could be an old practice but it triggered the logic of using Centros. Seems stupid to not balance brake drums individually, but if the hub is not balanced you are out as well. Using the Centros should solve all so they are ordered. Picture and info is posted on one of the AF threads. Will try to find.
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Old 01-30-2016, 02:45 PM   #84
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I'm looking on the Cenramatic web site, looks like plenty of options. How do you know which ones are best? I have 16" rims on my Flying Cloud, upgraded from the 15" rims. Looks like 3 options.
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