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oiler 12-17-2008 01:52 PM

In search of
 
Trying to find out if someone makes adjustable rear control arms for a 83 300 SD to correct rear camber problems.

duxthe1 12-17-2008 09:54 PM

Without doing any research on the topic, I'm going to go ahead and say no, nobody offers an aftermarket arm. It's a complicated stamping that has two attachment points to the subframe, is the carrier for the wheel bearing, is the lower spring perch, and lower shock mount, is the lower sway bar link mount, as well as the mounting for the rear brakes. Unlike some other suspensions that have adjustable links that adjust camber, yours has no such links. Camber is corrected by correcting the ride height.:o

oiler 12-17-2008 10:35 PM

Is ther a rear chassis pic some where to show what your describing? I'd like to see the differences between say a W124 and W126....
Thanks for your reply...BTW,maybe I should have said,aftermarket :o

duxthe1 12-17-2008 11:34 PM

I don't know of a handy pic but it is a COMPLETELY different setup compared to a 124. The 124 has a 5 link rear suspension. The 126 is a single trailing arm.

wis 12-18-2008 09:12 AM

no arms are available to the best of my knowlege, your best bet would be to try and find some offset bushings, they will allow some camber adjustment but not much. are you having tire wear problems? my 123 has the same setup in the rear and is really slammed with over 2.5 degreess negative camber and no excessive wear. i do mostly low speed city driving though.

oiler 12-18-2008 01:59 PM

Wasn't to sure if they were available or not. I'm ready to lower my 300SD & was reading all the rear camber issues so I thought while I was under there I would change the arms.
Now know the 126 is a different animal,I'll go for the KMAC camber bushings. Thanks for the imput:D

Dee8go 12-19-2008 01:47 PM

Does lowering tend to cause camber problems like you describe?

wis 12-19-2008 02:44 PM

it depends on how low you go. lowering 123/126's pushes the rear toe in as well and that will give you maore tire wear than the camber but my 123 is lowered a lot (about 3") and my camber/toe is acceptable. so cars dont take it so well though i suspect the condition of the control arm bushings has a lot to do with it.


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