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Body bushings metal vs polyurethane?

Discussion in 'Suspension, Steering, Brake & Wheel Topics' started by JOEY72camaro, Apr 27, 2020.

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  1. Apr 27, 2020 #1
    JOEY72camaro

    JOEY72camaro Member

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    Was wonder if anyone has used any of them I need new body bushings and I was thinking about going with metal because that has 3 different height settings I like the way the car sits right now would poly body bushings make the car raise up any or would the height stay the same?
     
  2. Apr 27, 2020 #2
    dave@ztech

    dave@ztech Veteran Member Lifetime Gold Member

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    The reason most do not like poly, as some have reported squeaks with it, and only some metal bushings allow for height changes.
     
  3. Apr 27, 2020 #3
    Rene Melten

    Rene Melten Veteran Member Lifetime Gold Member

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    Metal all the way, you won't regret it.
     

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  4. Apr 27, 2020 #4
    flht99b

    flht99b Veteran Member Gold Member

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    I have metal in my car from PTFB. That being said metal body bushings will increase NVH (noise, vibration, harshness). Some people notice it, some do not. Most don't mind it. If you are going to install sub frame connectors, metal is the way to go. If no sub frame connectors, poly will work IF the bushings, subframe and body are liberally coated with the silicone grease meant for poly where they all touch each other. Wear gloves as it is the stickiest stuff on the planet and tough to get off your hands. Have done many this way with no squeaking over the long haul.
     
  5. Apr 27, 2020 #5
    CorkyE

    CorkyE Veteran Member Lifetime Gold Member

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    I bought solids from Kieth at Custom Works, good service, good product.
     
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  6. Apr 27, 2020 #6
    BonzoHansen

    BonzoHansen Administrator Lifetime Gold Member

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    Poly body bushings shouldn't squeak because they don't rotate. But they can distort over time

    IMO if you're using subframe connectors then use solid ones. If not use replacement rubber ones.

    For a street car I'd probably not bother with anything other than normal height. Shorter ones can cause some clearance issues.
     
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  7. Apr 27, 2020 #7
    xten

    xten Veteran Member

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    My Camaro has the short bushings, sucks to get the trans crossmember out. Put poly bushings in an S-10. Took them out after 2 days. Put new rubber back in.
     
  8. Apr 27, 2020 #8
    ULTM8Z

    ULTM8Z Veteran Member

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    Hmmm.. I've been running poly subframe bushings for probably 25 years and have never had one squeak out of them, nor have they distorted (I was inspecting them a while back when I had the car up for an oil change).

    I also run subframe connectors for about the same amount of time, so maybe that took some of the loads off of them.
     
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  9. Apr 27, 2020 #9
    JOEY72camaro

    JOEY72camaro Member

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    Did it change the ride height at all with the new poly bushings?
     
  10. Apr 27, 2020 #10
    ULTM8Z

    ULTM8Z Veteran Member

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    I don't believe so
     
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