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Technical Panhard bar causing vibration

Discussion in 'Traditional Hot Rods' started by 56KUSTOM, May 29, 2017.

  1. My buddy put a panhard bar on his '33 Ford coupe and now he has a vibration starting at 55mph. Anyone have this problem?
  2. landseaandair
    Joined: Feb 23, 2009
    Posts: 4,363

    from phoenix

    Maybe it was always there but now more pronounced with the solid connection. On the front? Out of round or balance tire, wheel or drum?
  3. Bill Rinaldi
    Joined: Mar 23, 2006
    Posts: 1,616

    Bill Rinaldi

    Did you guys try disconnecting the panhard bar again to make sure the vibration isn't still there? I agree with LS&A, it is something being aggravated by the tighter frame to suspension connection. Bill
  4. Hatchet
    Joined: Jan 26, 2017
    Posts: 36


    Can you provide more details/pics?
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  5. dan31
    Joined: Jul 3, 2011
    Posts: 968


    Probably just telegraphing something from a u-joint,driveshaft,ect
  6. Front or rear?
  7. Check the bushings on the bar.
  8. robtlor
    Joined: Dec 7, 2010
    Posts: 118

    from Lincoln NE

    U joints or bent drive shaft
  9. Sorry, it is in the front wheels. He had previously had the drive shaft cut balanced and had new u joints. There was no vibration at that time. I will have him check the wheel balancing for starters. Thanks
  10. lostone
    Joined: Oct 13, 2013
    Posts: 793

    from kansas

    Just a stupid question, when he installed the panard rod did he make sure the car was at ride height and suspension loaded? I know it's stupid but I've had cars in the shop that have had people welded and bolted parts on with the car jacked up and then couldn't figure out why it sat out of level or road really hard.

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