Quote:
Originally Posted by 70STOVEBOLT
Keith, thank you for correcting me. I thought 73-87 ball joints were larger than 67-72.
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All the 63-87 c10 control arms have the same size balljoint holes and mounting locations for the upper control arm balljoint bolts.
The only difference is the diameter of the hole on the c20/c30 lower control arms. They are bigger.
The tapers of the balljoints are different through the years.
Divided by these years:
60-62
63-70
71-72
73-87