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Adjusting Four Link

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Adjusting Four Link Empty Adjusting Four Link

Post  79Puller March 27th 2014, 8:29 am

My right rear tire needs moved back about 1/2 a inch to be center. Do I just do this by turning the links on that side. Seems to be the correct way but figured I would ask as this is my first car such as this. Thanks Guys.

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Post  IDT-572 March 27th 2014, 9:27 am

I would get 1/4 on one side and a 1/4 on the other
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Post  whatbumper March 27th 2014, 9:28 am

The easy answer is yes but...

There is lot that goes into setting up a 4 link rear. It could have rear steer built in and some other factors. Is there a way you can post a picture and or video to help us understand?

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Post  cool40 March 27th 2014, 9:39 am

Just be sure the joints are still threaded in at least halfway. You'll be surprised how much one turn of the bar moves the wheelbase.
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Post  79Puller March 27th 2014, 9:55 am

Dont know how to post pics..lol but one tire is about 3/4 in away from body and the other is about a 1/8. Didnt notice until I just put 31s on over the weekend

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Post  cool40 March 27th 2014, 1:15 pm

First you should establish a central measurement to reference from. Use it for squaring the rearend to the chassis.
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Post  jbozzelle March 27th 2014, 4:34 pm

Does it drive straight? Have the wheelwells been trimmed an uneven amount?

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Post  79Puller March 27th 2014, 7:56 pm

Only drove the car a short distance, just bought it before winter and haven't had it out since. The wheel wells appear never to have been touched.

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Post  bosshoss March 27th 2014, 8:03 pm

As a general rule of thumb, body panels are not a good reference point for chassis adjustments. Even stock they can be off by a lot.

YOu need to establish a center line on your vehicle and use that as your reference point.

dkp
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Post  DILLIGASDAVE March 27th 2014, 8:47 pm

X2 on what they are saying.

Squaring the housing by centering the tires in their wheel openings isn't the best idea IMO because factory sheetmetal can be off by a bunch. Doing it this way you can unknowingly adjust in some rear housing stagger if the body is tweaked any.

Square the housing off the nose-to-tail centerline & then trim, fudge, or BFH the wheel openings if you need more tire clearance.
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Post  79Puller March 31st 2014, 6:49 pm

Ok, that was easy....lol Got it clear the tires with very little turning. I am going to take it to an alignment shop and make sure all the measurements are ok. thanks for all the advice.

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Post  steven gregoire April 3rd 2014, 8:48 am

100% agree.  square the chassis to itself.   the body is just that. A shell for decoration. Never adjust suspension for aesthetic value. If you are having a hard time squaring your car, contact a local Chassis shop. They wont charge you an arm/ leg for that service
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