'67-'72 Lower Control Arms - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Yellow '67 · 06-30-2014, 02:07 PM

Are the C10 1/2 ton control arms the exact same configuration ie, measurements, thickness, shafts & ball joints as a C20 3/4 ton? If not, what's different?

**67 cst swb** · 06-30-2014, 05:15 PM

Ball joint hole is larger on the 3/4 ton

JointTech · 06-30-2014, 05:16 PM

the shaft that attaches the LCA to the crossmember is bigger on C20.

Yellow '67 · 06-30-2014, 06:54 PM

Thanks for the reply guys! So am I to understand that by using the larger C20 parts, one can adapt the C20 arms to a C10 suspension?

**lolife99** · 06-30-2014, 07:03 PM

Quote:

Originally Posted by Yellow '67

Thanks for the reply guys! So am I to understand that by using the larger C20 parts, one can adapt the C20 arms to a C10 suspension?

No.
C10 spindles require C10 balljoints,... and they only fit C10 a-arms.

You could convert your C10 to a C20 8-lug truck,... by using C20 lower a-arms.

Yellow '67 · 06-30-2014, 09:02 PM

Gotcha!

06-30-2014, 02:07 PM	#1
Yellow '67 Registered User Join Date: May 2013 Location: Albuquerque, NM Posts: 13	'67-'72 Lower Control Arms Are the C10 1/2 ton control arms the exact same configuration ie, measurements, thickness, shafts & ball joints as a C20 3/4 ton? If not, what's different?

06-30-2014, 05:15 PM	#2
67 cst swb Senior Member Join Date: Nov 2001 Location: Rapid City, SD Posts: 2,281	Re: '67-'72 Lower Control Arms Ball joint hole is larger on the 3/4 ton __________________ My Trucks: 1967 Chevrolet Short Wide Box 327 TH350 9" w/3.90 gears paint will be White - Current Project 1967 Chevrolet Custom LWB 283 TH400 3.73 Posi, no-AC, no-PS, no-PB, bench-seat, small-window - mostly orig driver 1967 Chevrolet CST LWB originally a 327 TH400 3.73 Posi AC PS PB, had Buddy Buckets, Small Window - parts truck 1967 Chevrolet CST LWB, 283 MT 3.73 had Buddy Buckets, Panoramic Window - parts truck 2001 Chevrolet 3500 2WD Crew Cab Dually 8.1L Allison White 2002 Chevrolet 1500HD 4x4 Crew Cab 6.0L 4L80E Red

06-30-2014, 05:16 PM	#3
JointTech Registered User Join Date: Feb 2012 Location: Mission Viejo, CA Posts: 1,856	Re: '67-'72 Lower Control Arms the shaft that attaches the LCA to the crossmember is bigger on C20. __________________ 72 C20 Long Bed SB350 TH400 14 bolt rear end Extremely boring build thread

06-30-2014, 06:54 PM	#4
Yellow '67 Registered User Join Date: May 2013 Location: Albuquerque, NM Posts: 13	Re: '67-'72 Lower Control Arms Thanks for the reply guys! So am I to understand that by using the larger C20 parts, one can adapt the C20 arms to a C10 suspension?

06-30-2014, 09:02 PM	#6
Yellow '67 Registered User Join Date: May 2013 Location: Albuquerque, NM Posts: 13	Re: '67-'72 Lower Control Arms Gotcha!



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