AuthorTopic: WOBBLE  (Read 219 times)

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WOBBLE
« on: July 23, 2018, 05:05:52 AM »
Well went to the national in syarcuce N.Y. at about 35 or 40 the front in broke loss and wobbled pretty bad . Went back and tried to adjust the toe in and went out and tried it again not much better . That will scare the living shit out of you I do no that . We were there for for 4 days . I just parked it . I just installed the 1/4 eliptic on the front , may have been a mistake ? I will add pictures in a little bit but need some help   

Offline Blackwater

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Re: WOBBLE
« Reply #1 on: July 23, 2018, 11:42:50 AM »
The problem is CASTOR!!  You need to see an alignment specialist who knows straight axles.  They can either twist the axle, shim it or adjust your suspension to relieve the problem.  Had to add 6 degrees to Lockjaw when I put it on the road!!
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Re: WOBBLE
« Reply #2 on: July 23, 2018, 01:24:19 PM »
will a stabilizer shock help with the wobble . what degree should it be at

Offline lowboy

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Re: WOBBLE
« Reply #3 on: July 23, 2018, 04:23:32 PM »
Stabilizer will help but not cure the problem. Like blackwater said get the front end aligned properly. What angle is the steering drag link? needs to be almost parallel to the road. That's for bump steer. Is that what may have caused the death wobble to start? Is the tires good? Flat spots will kinda do the same thing.
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Re: WOBBLE
« Reply #4 on: July 24, 2018, 01:45:21 PM »
The castor settings depend on the design of your axle!  You'll need to know from whence it came.  My axle is from a '48 Ford coupe and the settings are listed in manuals used by the industry.  Your alignment specialist will know what's proper!!!
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Re: WOBBLE
« Reply #5 on: July 25, 2018, 11:00:25 AM »
I have found 2 or 3 problems with the steering . to much play in wheel , toe in out not in , axle angle close to 15 degrees not 7 degrees . front axle is out of a 1934 ford truck it is the ORG. I started with

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Re: WOBBLE
« Reply #6 on: July 25, 2018, 11:17:44 AM »
All of those are contributing factors, again the axle angle (castor) being the most critical.  The toe  will effect the directional stability and the tire wear.  The slack in the steering isn't as critical, but it sure does great things for comfort and driving ease.

You can adjust the steering box for the slack issue and the toe can be set after the other issues are corrected. Find a professional front end specialist.  They usually have a reputation among the street rodders and sports car guys.  Most of your tire shops today don't have the knowledge or equipment to do this kind of work, so you'll have to look around if you don't already know someone.
« Last Edit: July 25, 2018, 11:19:26 AM by Blackwater »
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