Need help with upper control arm problems.

[William Collins]

I don’t know if you can see the pictures but I need help. My truck is a 1989 c1500 with a 4.5in rough country spindle lift. I am having problems with my camber I’ve been to 4 different alignment shops and no one can get it aligned. They say that my control arms are maxed out and I have no idea what to do. Any thoughts or suggestions on what to do? I don’t know if I need different control arms or what. Any information would be helpful thank you.

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[Jwalk3r]

Do you know if the knockouts have been removed for the upper control arms? They would limit the adjustment a lot

check out this thread
https://www.gmt400.com/threads/obs-camber-caster-knock-outs-how-to-tell-if-you-have-them.22124/

 

[454cid]

I can't help, but wanted to say that I think your truck really looks nice. What is that hood ornament?

 

[William Collins]

I can't help, but wanted to say that I think your truck really looks nice. What is that hood ornament?

Thank you I really appreciate it. And the hood ornament says Chevrolet. I think it’s the same one the older square bodies used to have

 

[William Collins]

Do you know if the knockouts have been removed for the upper control arms? They would limit the adjustment a lot

check out this thread
https://www.gmt400.com/threads/obs-camber-caster-knock-outs-how-to-tell-if-you-have-them.22124/

Yes I had the knockouts removed. The camber caster bolts on the upper control arm are completely maxed out and I’m still having positive camber.

 

[Stillruns]

Companies like SPC and others offer offset upper control arm bushing that can allow for up to 4° additional...

 

[William Collins]

Companies like SPC and others offer offset upper control arm bushing that can allow for up to 4° additional...

Can you put a link for it? Thanks for the help man

 

[Stillruns]

Sorry... no time to hunt but just Google offset control arm bushings... you will get plenty of hits.
Just make sure you get 2wd bushings... they are 41mm OD where 4wd bushings are 43mm

 

[Schurkey]

First thing is to figure out why you have so much positive camber.

BENT PARTS? Including bent frame.

Worn lower control arm bushings--common as dirt
Worn upper control arm bushings--also common.

Screwing-up the ride height can't have helped.

 

[1996*GMC*SHORTBED]

general question: when you punch out the "knockouts" for the upper control arms & buy the encentric bolts that are needed for the extra camber they provide, do you buy & install two of those bolts per upper a-arm, or just one per side? thanx