Anchor transmission mount is crap

Engine, Trans & Driveline

  1. Paul_G

    Paul_G Well-Known Member

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    I put a new trans mount in my 73 when I rebuilt the drive train, 4 speed trans, strong 383 engine, there seemed to be few choices. I went with the most common one, Anchor, 2512 or 2525 was the part number regardless of brand.

    Going through the gears I could here something thumping under the car. Came to the conclusion the trans was banging around in the crap trans mount. Yesterday I put an Energy Suspensions, 5.1101R, Poly mount. It uses the existing steel mount, must remove the old rubber and press in the poly isolators.

    What a huge difference. I was leery of the poly causing harshness and vibration, but it is barely noticeable. The shifts are much smoother since the tail of the trans is staying in place. It's a little more work to install the poly mount. In my opinion it is the best choice given the less than poor quality of the available rubber mounts.
     
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    • #41

      #41 Well-Known Member

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      The replacement stock style mounts all seem to fail pretty quick these days in a car that is driven with even just a little spirit. They all seem to be junk.
       
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      • 451Mopar

        451Mopar Well-Known Member

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        Had some Anchor engine mounts that were junk too.
         
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        • ruffcut

          ruffcut FBBO Gold Member FBBO Gold Member

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          I had new Anchor engine mounts also, and thought they were cheap junk. RUFFCUT
           
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          • 66383

            66383 FBBO Gold Member FBBO Gold Member

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            Mine were junk too! :cursin:
             
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            • dadsbee

              dadsbee FBBO Gold Member FBBO Gold Member

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              Mine haven't failed in 42 years... :thumbsup:
              beerestoration2017 110.JPG
               
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              • 440Coronet500

                440Coronet500 Well-Known Member

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                I only use urethane transmission mounts. Much stiffer than the rubber mounts. 440'
                 
              • biomedtechguy

                biomedtechguy Accelerati Rapidus Maximus FBBO Gold Member

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                Lol...
                Those are solid steel mounts, right?
                That would be a concern, although my 70 Roadrunner is a cacophony of noises. Between the "M-22 Rock Crusher" type of gear noise I get from my Passon Performance 855 5 speed, in the lower gears, which I graciously accept given its reported "conservative" 700 Ft Lbs torque handling capability, the lumpy cam and often open header dumps, still adding even more noise w/poly trans mount....
                When I added a poly trans mount and poly motor mounts to the 2.6 litre turbo 4 in my 89 Mitsubishi Chrysler Conquest TSi it went from no real noise to sounding like a blender full of nuts and bolts.
                 
              • Paul_G

                Paul_G Well-Known Member

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              • Paul_G

                Paul_G Well-Known Member

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                I put a urethane mount on my 72 when I switched to the 46RH overdrive trans. Did not like the NVH at all. It is using a GM style flat mount retrofitted to the stock cross member. That urethane mount felt like one step softer then a solid block of steel. I went back with a rubber mount, lifetime warranty from Oreilly. I change it about every two years.
                 
              • biomedtechguy

                biomedtechguy Accelerati Rapidus Maximus FBBO Gold Member

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                I just happened to be watching an old episode of Hot Rod Garage and they used an Energy Suspensions trans mount bushing too...
                 
              • ckessel

                ckessel Well-Known Member

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                I wonder if the filler is the same as what's on a balancer between the outer ring and the hub. Reason I'm asking is there is a place that will re-do the elastomer ring on balancers. They are somewhere up in Nor-Cal if I remember correctly. Might be something to approach them with as the rubber in the replacement mounts blow.
                 
              • 440Coronet500

                440Coronet500 Well-Known Member

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                The elastomer in a torsional vibration damper is tuned to the resonant frequency of the rotating assembly. A damper dampens vibration. The transmission mount is an isolator. Isolatars isolate vibration, there's a big difference. 440'
                 
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                • F4R/T

                  F4R/T Well-Known Member

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                  Be nice to find made in USA mounts that are quality as I would pay up for them especially if they hold up! Rubber is preferred due to noise and vibration.
                   
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                  • transman

                    transman Active Member

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                    Anchor mounts are to the best of my knowledge made off shore. If you look at them, the rubber is painted. Look at a quality mount, and the rubber is not painted. When I worked in the industry, we had a hard time convincing customers that a $4.00 mount wasn't the same quality wise as a $10.00 mount.
                     
                  • Paul_G

                    Paul_G Well-Known Member

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                    How tell the difference between a $4 part and a $10 one with so much reboxing going on? Some even use the same part number.
                     
                  • transman

                    transman Active Member

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                    Yes, I know the problem. We didn't purchase mounts in boxes, we bought in bulk. If there is a Transtar transmission parts distributor near you, check with them and see what they've got. There is a company called W.I.T. that sells transmission parts. Might be an idea to check with them also. Other than that, I guess the only other options is the poly mount. It does tick me off though that everything comes down to "how cheap". It only further solidifies "you only get what you pay for".
                     
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                    • MoparDanMan

                      MoparDanMan FBBO Gold Member FBBO Gold Member

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                    • kreauto

                      kreauto Member

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                    • kreauto

                      kreauto Member

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                      I didn’t know Jamie was selling any of his five speeds yet? Last I heard he was taking orders but not shipping yet. How long to get one?
                       
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