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07-02-2010, 08:39 PM
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#1 |
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Registered User
Join Date: Mar 2008
Location: summerville, sc
Posts: 93
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lower control arm interchange
I need lower control arm bushings. 1964 c10 1/2 ton
Is a lower control arm from an 84 c10 a straight drop in, or will I have to change the upper too. |
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07-03-2010, 02:08 AM
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#2 | |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,252
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Re: lower control arm interchange
The '84 control arms have rubber bushings versus the steel bushings on the '64. I prefer the later model rubber bushings myself. The '84 arms will bolt up, but i would recommend drilling out the U-bolt holes and using the larger '84 U-bolts. I would also just go ahead and change the uppers for the '84 arms while you're at it
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07-03-2010, 06:34 AM
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#3 |
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UCA63
Join Date: Aug 2005
Location: Lloydminster AB Can.
Posts: 1,637
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Re: lower control arm interchange
I think the ball joints differ as well
Heck, may as well do the disc brake conversion too,lol T
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member#7816 "63 sb ss bbw 350\350 12 bolt rear Pwr Fr Disc PS tilt '61 GMC in progress '63 GMC to use for parts '90 Chevy Ext cab sbfs 5.7l (current d d) |
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07-03-2010, 03:36 PM
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#4 |
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Registered User
Join Date: Mar 2003
Location: San Francisco, CA USA
Posts: 2,454
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Re: lower control arm interchange
Most people do the control arm swap as part of a disc brake conversion. If you want to keep your stock spindles you will need to replace the ball joints with the 63-70 type. Disc brake ball joints have a larger diameter stem (where they fit into the spindles) than the ones for drum brakes.
Ray Last edited by raycow; 07-03-2010 at 03:38 PM. |
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