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    Thread: Dogbone Bushings listed by Stiffness (Durometer) Reading

    1. 05-08-2007 09:26 PM #1
      Let me know of any that I missed or if I have any information wrong. I did not test the bushings myself, these measurements are from the manufacturers. The ones marked secret mean that the manufacturer considers the stiffness rating as proprietary information and is therefore not available to the public.
      The bushings are in order according to their durometer rating. For more information on durometer, see here
      Brand | Rating | # Pieces
      OEM VW | 50A | 3
      BFI Stage I | 65A | 2
      Turn 2 (out of business) | 65A-70A | 2
      ECS Tuning | 70A | 3
      Energy Suspension | 70A | 3
      VW Motorsports | 70A | 2
      Forge/Powerflex | 70A | 2
      WRD | 80A | 2
      BFI Stage II | 85A | 2
      Prothane | 85A | 2
      Neuspeed | SECRET | 2
      VF Engineering | SECRET | 2
      Not sure:
      Autotech
      EIP
      Solid Mounts
      Yarrowsport



      Modified by Matt@Farina Motorsports at 2:12 PM 6-5-2007

    2. Senior Member bluefox280's Avatar
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      05-09-2007 12:00 AM #2
      What's the units of "A"?
      - Erik
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    3. Senior Member bluebora20v's Avatar
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      05-09-2007 12:01 AM #3
      Shouldn't they be measured in durometer?

    4. 05-09-2007 12:28 AM #4
      Those are durometer ratings. Materials are broken up into different categories; A is used for rubber, plastics, polyeurethane, etc

    5. Moderator j. Kush's Avatar
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      05-09-2007 01:13 AM #5
      [IMG]http://*****************.com/smile/emthup.gif[/IMG] Good to know.
      -jarredK

    6. 05-09-2007 09:19 AM #6
      [IMG]http://*****************.com/smile/emthup.gif[/IMG]
      I thought it would be nice for ppl to be able to see the differences so they don't buy a kit that they won't like

    7. 05-11-2007 11:55 AM #7
      Changed the Forge/Powerflex bushings. Forge told me 70-75 but Powerflex said they're 70

    8. Member burtondk12's Avatar
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      05-11-2007 11:59 PM #8
      hmm thats, thats good to know
      CT / tristate suspension/ airride installs. pm me for details

    9. 05-12-2007 12:01 AM #9
      Good info! [IMG]http://*****************.com/smile/emthup.gif[/IMG]
      I have the Energy Suspension bushings myself and I like them

    10. 05-14-2007 11:27 AM #10
      I like my ES bushings as well [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    11. Member vagwhpt's Avatar
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      05-15-2007 10:46 AM #11
      Quote, originally posted by Farina Motorsports »
      Those are durometer ratings. Materials are broken up into different categories; A is used for rubber, plastics, polyeurethane, etc

      just like skateboard wheels.
      and 70A is a pretty gooey wheel.....


      Modified by vagwhpt at 10:47 AM 5-15-2007
      The Possesion of anything begins in the mind.

    12. 05-17-2007 09:12 AM #12
      Quote, originally posted by vagwhpt »
      just like skateboard wheels.
      and 70A is a pretty gooey wheel.....

      Just right for dog bone bushings on 4cyl. IMO

    13. Senior Member idwurks's Avatar
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      06-02-2007 01:29 PM #13
      Should be stickied in the DIY [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    14. Member Steveo989's Avatar
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      06-02-2007 02:15 PM #14
      yarrowsport makes a solid mount, still should be added to the list for those looking for mounts.

    15. 06-09-2007 03:39 PM #15
      Quote, originally posted by Steveo989 »
      yarrowsport makes a solid mount, still should be added to the list for those looking for mounts.

      Done [IMG]http://*****************.com/smile/emthup.gif[/IMG]

    16. Member DiasBora604's Avatar
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      06-09-2007 03:58 PM #16
      i got the ones from BFI Stage 1... they're already pretty stiff in comparison to the stock ones, and are pretty much on the edge of daily driving comfort, but the performance is well worth it

    17. Member capsaicin's Avatar
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      06-09-2007 03:59 PM #17
      I was under the impression that EIP used Energy Suspension bushings and that WRD used Prothane.
      Someone made a list before, think that's where I heard all of this. I'll look for it.

    18. 06-09-2007 04:01 PM #18
      Quote, originally posted by capsaicin »
      I was under the impression that EIP used Energy Suspension bushings and that WRD used Prothane.
      Someone made a list before, think that's where I heard all of this. I'll look for it.

      I asked Prothane and WRD for this information, so I don't know. EIP never responded to my query...

    19. 06-15-2007 02:20 PM #19
      Great info. I wish the VF listed their specs as my bushings have cracked on their dog bone mount. I don't know if I want to replace them or just get the BFI Stage 2 inserts.

    20. Member bmoney 303's Avatar
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      06-15-2007 02:53 PM #20
      yay, i have secret bushings
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    21. 06-30-2007 04:34 PM #21
      what about this one

      got it off ebay drunk ... it only has one insert so im guessing it should intresting with all of its vibrating

    22. 11-29-2007 08:13 AM #22
      Quote, originally posted by Matt@Farina Motorsports »
      Changed the Forge/Powerflex bushings. Forge told me 70-75 but Powerflex said they're 70

      Confirmed - I emailed PowerFlex and they said they were 70A also.

    23. Member JettaRed's Avatar
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      12-15-2007 07:35 AM #23
      Quote, originally posted by kcm_vr6 »
      what about this one

      got it off ebay drunk ... it only has one insert so im guessing it should intresting with all of its vibrating

      LOL. Friends shouldn't let friends ebay drunk!



      Modified by JettaRed at 7:36 AM 12-15-2007
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      01-30-2008 08:51 AM #24
      Energy suspension has two different durometer ratings for their dog bone bushings 70A and 80A IIRC

    25. 02-21-2008 07:59 PM #25
      what about the line density mounts? i think they are rather soft, or at least the street ones are

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