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Centramatics and Valve Extension Install ('17 F-350 DRW)

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  • Centramatics and Valve Extension Install ('17 F-350 DRW)

    These mods were inspired by Changing Lane's YouTube video: Full Time RV Truck Upgrades (and one BIG Issue) (F350 DRW) The video is embedded at the bottom of this post. Note these mods are new as of 23 May. Any unanticipated issues discovered at a later date will be posted.

    The mods installed were Centramatic Dynamic Balancers (front and rear) and valve extensions on the rear wheels. In Chad's video the applicable information starts at about the 10 minute mark. Chad covers the installation well so I won't go into much detail.

    First, the front Centramatics. Why did I install these? I've had experience with Centramatics on my Honda Goldwing and also installed them on the 315RLTS. (If curious about the latter, see https://gdrvowners.com/forum/operati...n-a-19-315rlts )

    Click image for larger version  Name:	Front Centramatics.JPG Views:	0 Size:	130.9 KB ID:	54775

    Do the Centramatics work? Having experimented with DynaBeads (similar technology as they keep the heaviest point of the wheel/tire consistently at the lowest point or contact patch) and with the experience on the 'Wing and trailer with the Centramatic, all I can testify to is I've never had an issue with balanced wheels or vibration with them installed. Whether they are worth the $$$ is a personal decision.

    The valve extension kit I purchased has "AirMax" on the card, but the affiliate link from Changing Lanes' video points to a Phoenix USA AML1 Air Inflation Kit. Both are from the same OEM (website is www.phoenixusa.com) and as you can see below the kit purchased is indeed the AML1...so not sure why the name difference. Must be an "Amazon thing".

    Click image for larger version  Name:	AirMax.JPG Views:	0 Size:	117.1 KB ID:	54774

    The length of the lines wasn't ideal nor is the angle of the outside line ideal IMO. It appears to work, but could have been better if designed specifically for a Ford rear wheel setup. The numbers below correspond to the text that follows the pictures.

    Click image for larger version  Name:	Rear Wheels.JPG Views:	0 Size:	161.9 KB ID:	54778

    1) Outside wheel removed and first line installed. I used a very small amount of thread sealant tape on the valve stem and a drop of blue threadlock before installing the new line. (Whether that's good or bad I don't know...). I also used a small amount of blue threadlocker on the small nuts that secure the line to the bracket.

    2) Centramatic wheel balancer installed on rear wheel.

    3) Lines installed.

    4) Cover installed. If you look closely there's a slight indentation as the bracket isn't quite the right size (should extend further in the vertical so it doesn't interfere with the cover.) I don't like these wheels anyway, so wasn't worried about the scratches caused by the interference.

    The payoff for the work was the ease in adding air to the rear tires. Between the easy-to-access valves and the digital air pressure gauge on my compressor it was a simple (and fast!) process to accurately get the tires to their inflation specification (65 psi). Anyone that has a dually knows what a pain in the posterior it is to add air to the tires.


    Click image for larger version  Name:	Adding Air.JPG Views:	0 Size:	153.9 KB ID:	54777

    http://at [URL="https://www.youtube....[/URL]

    Howard
    Attached Files
    Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.

    Howard & Francine
    2017 Ford F-350 DRW, '19 315RLTSPlus

  • #2
    I know this thread is upgrades to your TV but Centramatic tire balancers also can be used on trailer tires.

    I had Centramatic balancers on my Imagine 2600RB. When I traded that in I took the Centramatic balancers with me and they are now installed on my 337rls. I've watched the videos and I'm certain they balance your tires as advertised.

    I do know that an unbalanced tire will vibrate the crap out of whatever it's installed on. These trailers take enough bouncing abuse going down the highway they don't need extra vibration due to unbalanced tires. The 6 lug version cost me $50 per tire ($200 total) which is a pretty cheap upgrade compared to the cost of my new 337rls. If it can help keep things from vibrating apart on the inside of the trailer while going down the highway I'm all for it.

    As a side bar you can not feel unbalanced tire vibration in a trailer while driving your TV. The only way to feel that would be to ride in your trailer while it's being towed down the highway, a practice I don't recommend doing.
    Last edited by ckreef; 05-23-2021, 02:48 PM.
    Charles and Susan
    2021 Ram 3500 6.4 Hemi, 4x4 CCSB
    Andersen Hitch
    2021 Reflection 337rls

    Comment


    • #3
      A couple of more notes inspired by Chad's video.

      My rear wheels have the dreaded corrosion which Chad referred to as One Big Issue in the video's title.

      On my truck the outer passenger rear wheel had a slow leak when it came home from the dealer (with the brand new tire installed). Too much hassle to drive all the way back so I removed the valve core and slightly twisted the valve stem. A dusting of material swirled around the valve stem as I did this (surface corrosion being removed). Bottom line is these wheels will have to be replaced before I go to Alaska in 2022--don't trust they will hold up. I'll be saving my receipt for the new wheels (watch Chad's video to understand that statement).

      Click image for larger version

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      Finally, Chad referenced a fancy tool to remove the rear hub cap. In a pinch you can use a strap hook. Insert the hook in the hub slot and then with a sharp tug the cap will come off (just make sure to catch the hub so it doesn't go flying). I'm sure this audience is shocked I didn't buy the special tool, but in this case it's not required (I always have a strap or two in the truck.)


      Click image for larger version

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      Howard
      Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.

      Howard & Francine
      2017 Ford F-350 DRW, '19 315RLTSPlus

      Comment


      • #4
        Went to put on the front valve extensions to make it easy to add air to the front tires, too, and of course they didn't fit. The angle of the valve stem is such that a extension hits the wheel.

        Click image for larger version  Name:	Wont Fit.JPG Views:	0 Size:	99.5 KB ID:	55686

        The extensions are 4" straight, picked up at a local auto parts store (on a whim). More hassle to return than to try and make them fit, so out came the vice and the channel lock pliers. I successfully (gently!) managed to get a good bend on the extension and got them installed.

        I used a small amount of the thread sealant tape and a dot of blue Threadlocker, too, like I did on the rear extensions. (I'll update this thread after the upcoming trip with how this all worked out.)

        I am not worried about the weight of the extensions. The Centramatics will automatically take out any front wobble the extensions may induce.

        However, I am not thrilled with how far the extensions stick out of the wheel. 3" might be better than 4". Or maybe I'll stumble on a product that actually works on the front wheels of a Ford without modification. (What a concept! )

        Couple of pics below...

        Click image for larger version  Name:	Valve Extensions.JPG Views:	0 Size:	240.4 KB ID:	55687

        Click image for larger version  Name:	how it Looks.JPG Views:	0 Size:	147.0 KB ID:	55688
        Howard
        Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.

        Howard & Francine
        2017 Ford F-350 DRW, '19 315RLTSPlus

        Comment


        • #5
          howson Howard, these are listed for a Dodge, but wonder if they would work on your fronts: https://www.summitracing.com/parts/smp-tpm2025vk
          Joseph
          Tow
          Vehicle: 2024 GMC K3500 Denali Ultimate Diesel
          Coach: 303RLS Delivered March 5, 2021
          South of Houston Texas

          Comment


          • #6
            Jlawles2 -- that appears to be a TMPS sensor? All I did was install a simple extension.
            Forum moderators are not GD employees--we are volunteers and owners presumably just like yourself. Unless specifically mentioned otherwise, we have nothing to gain should you choose to purchase a product or engage a service we discuss on this forum.

            Howard & Francine
            2017 Ford F-350 DRW, '19 315RLTSPlus

            Comment


            • #7
              howson Howard, was not certain if you had TPMS or not, but a slightly bent longer valve stem is available. Maybe on the next set of tires you can get a set of those.
              Joseph
              Tow
              Vehicle: 2024 GMC K3500 Denali Ultimate Diesel
              Coach: 303RLS Delivered March 5, 2021
              South of Houston Texas

              Comment

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