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vibrations / driveshafts?

Discussion in 'The Hokey Ass Message Board' started by sideswipe, May 13, 2013.

  1. sideswipe
    Joined: Sep 27, 2012
    Posts: 168

    sideswipe
    Member

    i was coming home the other night and a god awful vibration went through the car at about 60 mph. i think i threw a weight. the universals are new and the wheels still have thier weights. sound like a good place to start? i wont be able to get under it until next week.
     
  2. Jalopy Joker
    Joined: Sep 3, 2006
    Posts: 24,928

    Jalopy Joker
    Member

    only at 60MPH ? any noises? what kind of car / drive train?
     
  3. EchoOfGecko
    Joined: Aug 4, 2010
    Posts: 254

    EchoOfGecko
    Member

    What kind of tires? I had issues like that with my bias ply tires even after balancing. Found a place that did road force balancing and made a world of difference.
     
  4. Need more info!
     
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  5. Mike51Merc
    Joined: Dec 5, 2008
    Posts: 3,830

    Mike51Merc
    Member

    I'd jack it up and run it. Watch the wheels and driveshaft for vibrations.
     
  6. big M
    Joined: Mar 22, 2010
    Posts: 709

    big M
    Member

    Wheel, tire, and drum vibrations generally come in at higher speeds than driveline vibrations, what speed does the bad vibration start?

    ---John
     
  7. tfeverfred
    Joined: Nov 11, 2006
    Posts: 15,796

    tfeverfred
    Member

  8. sideswipe
    Joined: Sep 27, 2012
    Posts: 168

    sideswipe
    Member

    39 ford with 350 engine and trans, maverick rear. new diamondback tires. drum brakes on rear. no apparant noise that i remember. the car has around 80 miles on it. like someone said i'll look under it then run it up on stands. and wait....
     
  9. sideswipe
    Joined: Sep 27, 2012
    Posts: 168

    sideswipe
    Member

    found it! rear universal. its a new NPJ piece that a shop put in. i must have done something wrong installing the shaft.
     

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