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  #11  
Old 07-25-2017, 09:13 AM
Joe Johnston Joe Johnston is offline
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Quote:
His balancing machine is the standard center hole.
As mentioned earlier, this could be the root of your problem. You are not locating the wheel on your car using this center hole because the center hole is larger than the hub of your car. This is why the recommended balance procedure is called "stud centric" because you are locating the wheel by the taper on the lug nuts.

It can't be helped when the wheels are not located by the same method as mounted on the balancing machine.

All you need to do is to look and see if there is a gap between the center hole and the hub to determine the balance method.
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  #12  
Old 07-25-2017, 04:20 PM
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The hole in the wheel is larger than the hub. Yes there is a space. I will try to find someone that can balance it differently.
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  #13  
Old 07-26-2017, 10:25 AM
elijahbird7 elijahbird7 is offline
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I knew a friend that had a similar issue, and his turned out to be there was a balance weight on the front side of the brake drum, and the wheels he had on it fell right against that small raised weight. Not sure that would be your issue, but worth a look.
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  #14  
Old 07-26-2017, 12:09 PM
pbf777 pbf777 is offline
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Most of the relatively modern passenger cars (this includes T-birds) manufactured in the the U.S.A., that I have been involved with, have utilized the "hub centric" intention rather than "lug centric". This engineering provides an accurately located center hole intended to register the wheel "on center" as mounted to the axle which provides the hub register protrusion, with the responsibility of retention allocated to the lug studs & nuts. Hence the reason the wheel balancer locates off the center hole also. In wheel applications without this locating feature, each time the wheel is removed and reinstalled one will often have an off centered installation providing the felt vibration. We have encounter this repeatedly, and found the proper solution is to machine adapter rings, pressing/shrunk over the axle register and providing an O.D. appropriate to locate the wheel correctly. Note that proper rebalancing of the wheel may be required.

How is it, that the after-market wheel producers can decide (for a more universal application product) to reassign engineering responsibilities without anticipated failure? Unfortunately, this is a problem that persists. Also, keep in mind that another responsibility of the hub register is to support the wheel in impact loads perpendicular to the studs, to resist their shearing in their weaker plane.

These are not ten hole Budd rims on your old truck; note that even most newer trucks no longer use lug centric but have converted to hub centric for the notable benefits.

Scott,
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Old 07-26-2017, 12:50 PM
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When I bought new wheels for my 65 Mustang to replace my unilug wheels, they came with centering rings. This assured the wheels fit tight against the hub. Since replacing the wheels I have had no shimmy at all. Maybe years ago these wheels had centering rings as well. I have no idea when these wheels were added to the car.

I will get through this without replacing the wheels.
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  #16  
Old 07-26-2017, 01:06 PM
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The original KH wire wheels did not use centering rings.
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  #17  
Old 07-26-2017, 03:45 PM
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Thank you for the information.
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  #18  
Old 07-27-2017, 03:16 PM
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That's right.
They bought it in April (I think) Over $5K (Allotta money for a car in 1960. He bought it from his uncle (Byers Motor Co - Gilroy, Ca - There for 50 + Yrs.
When I was an infant, I was driven home from the hospital in it (Nov 1960)


Quote:
Originally Posted by Dan Leavens View Post
John good advice but I still like the Kelsey Hayes my wife has in her 58
Just noticed something on your bio. Looks like your Dad bought the 60 convert the year you were born ?
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  #19  
Old 07-28-2017, 07:27 AM
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They bought it in April (I think) Over $5K (Allotta money for a car in 1960. He bought it from his uncle (Byers Motor Co - Gilroy, Ca - There for 50 + Yrs.
When I was an infant, I was driven home from the hospital in it (Nov 1960)

Now that is just cool and great it is still in the family
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