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Old 04-22-2013, 04:47 PM   #1
EPS3
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Purpose of screw near upper ball joint '85 C20?

I'm considering upgrading to ball joints using upper & lower control arms from a newer C10, C20 or Suburban.
I noticed that the 108585 C20 has a a mount screw near the ball joints, C10 & some earler do not have it.
1) Can someone tell me what attaches to this screw?
Thanks
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Old 04-22-2013, 08:41 PM   #2
y5mgisi
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Re: Purpose of screw near upper ball joint '85 C20?

Brake line?
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Old 04-22-2013, 09:17 PM   #3
Koffer
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Re: Purpose of screw near upper ball joint '85 C20?

ABS wire mount on newer trucks and full sized G vans easier to have just one part# and just not use the mount if uneeded
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Old 04-22-2013, 09:25 PM   #4
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Re: Purpose of screw near upper ball joint '85 C20?

on the 3/4 ton upper A arms the studs that the arm mounts to are larger and the ball joints have a larger tapered stud to the spindle .
Don't ask as how I know since I have 2 brand new upper control arms sitting in my garage that didn't fit my P10
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Old 04-23-2013, 10:48 AM   #5
EPS3
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Re: Purpose of screw near upper ball joint '85 C20?

Thanks to all for your help
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