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Old 02-20-2011, 01:13 AM   #1
72gmcshorty
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Lower control arm....

Are the 2wd lower control arms all the same on the 67-72? I am not worried about the ball joints and cross shaft because i have new 1972 ones i will be installing. Truck and blazer are also the same correct?
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Old 02-20-2011, 01:29 AM   #2
lolife99
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Re: Lower control arm....

All the 67-72 1/2 control arms will interchange.
The 71-72 lower ball joint is different than the 67-70 lower ball joint.

Also,... the 3/4 ton lower control arms are different.
(the lower ball joint hole is a larger diameter)
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Last edited by lolife99; 02-20-2011 at 01:29 AM.
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Old 02-20-2011, 01:37 AM   #3
72gmcshorty
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Re: Lower control arm....

so, i can put a new 72 ball joint into any 2wd lca with no issues? Correct?
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Old 02-20-2011, 01:39 AM   #4
lolife99
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Re: Lower control arm....

Yes,... into any 67-72 lower control arm.
(excluding the 3/4-ton version if your balljoints are for a 1/2-ton truck)
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Convert to disc brakes.
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Last edited by lolife99; 02-20-2011 at 01:40 AM.
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Old 02-20-2011, 02:19 AM   #5
72gmcshorty
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Re: Lower control arm....

thank you!! Now to start the search
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