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Old 12-20-2013, 10:05 PM   #1
Alan Roehrich
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Default Re: Wheel shimmy

The reason changing the upper ball joints to the longer type helps bump steer is because it reduces camber change. Combine that with a bump steer kit and you'll solve the problem as much as you can without major modifications. When we put longer ball joints on the orange car, then added the Santhuff shocks, it calmed things down a ton. There is a video from the coverage of the GatorNationals a few years ago that shows the car before we made the changes, in slow motion. The car looks nothing like that now, even coming down from a wheelie bar bending moon shot.
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Old 12-21-2013, 10:16 AM   #2
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Default Re: Wheel shimmy

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Originally Posted by Alan Roehrich View Post
The reason changing the upper ball joints to the longer type helps bump steer is because it reduces camber change. Combine that with a bump steer kit and you'll solve the problem as much as you can without major modifications. When we put longer ball joints on the orange car, then added the Santhuff shocks, it calmed things down a ton. There is a video from the coverage of the GatorNationals a few years ago that shows the car before we made the changes, in slow motion. The car looks nothing like that now, even coming down from a wheelie bar bending moon shot.
Where do you buy longer ball joints ? Would they work on a 66-67 Chevy ll ?

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Old 12-21-2013, 10:51 AM   #3
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Default Re: Wheel shimmy

http://www.jegs.com/p/Specialty-Prod...33108/10002/-1

http://www.howeracing.com/c-560-howe...ll-joints.aspx

http://www.qa1.net/qa1_motorsports/c...ll-joints.html
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Old 12-21-2013, 12:12 PM   #4
Alan Roehrich
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Default Re: Wheel shimmy

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Originally Posted by Kenney Kelley View Post
Where do you buy longer ball joints ? Would they work on a 66-67 Chevy ll ?

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Kenney, you need Eddie Rezac's stuff for the Chevy II, if you don't have it already. Not sure if there are long upper ball joints for the Chevy II like there are for F and A body cars, the early Chevy II is vastly different from everything else.
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Old 12-21-2013, 02:18 PM   #5
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Default Re: Wheel shimmy

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Originally Posted by Alan Roehrich View Post
Kenney, you need Eddie Rezac's stuff for the Chevy II, if you don't have it already. Not sure if there are long upper ball joints for the Chevy II like there are for F and A body cars, the early Chevy II is vastly different from everything else.
Alan you are spot on when you say the early Nova front ends are different. The 68 and beyond are the same as a Camaro and that may give more options.
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Old 12-21-2013, 02:40 PM   #6
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Default Re: Wheel shimmy

It seems to me that GM just copied Ford's better idea 60 Falcon
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Old 12-21-2013, 03:04 PM   #7
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Default Re: Wheel shimmy

Thanks to everyone who took time to answer my questions . I didn't mean to take over the thread.
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Old 12-21-2013, 05:49 PM   #8
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Smile Re: Wheel shimmy

If you have an early Chevy II, my kit will keep the toe exactly as you set it, all through its travel. Call me at, 402 443 8424 If I happen to not answer, please leave a message.
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Old 12-22-2013, 10:34 AM   #9
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Default Re: Wheel shimmy

Thanks for the replies. This still shot does show camber woes.
[IMG][/IMG]


Here's a short video that only shows the right side of the car. At about 25 seconds it goes slo mo and shows what's happening to the right side. I can't feel it when driving. I appreciate your thoughts.
[ame="http://www.youtube.com/watch?v=I3GIj3xdbnk"]Nova burnout and wheel stand at 75 and 80 dragway - YouTube[/ame]

Last edited by Ron Gusack; 12-22-2013 at 12:44 PM. Reason: added
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Old 12-21-2013, 01:27 PM   #10
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Default Re: Wheel shimmy

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Originally Posted by Kenney Kelley View Post
Where do you buy longer ball joints ? Would they work on a 66-67 Chevy ll ?

Thank You Kenney Kelley
Long uppers would raise the front end height on a 1st gen. Chevy II, ...which you don't want.
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