Re: Please: need help with 1966 lower control arm questions.
My suggestion is to use some 73-82 upper and lower a-arms, they are much stronger, cheaper parts and completely rebuildable. Also much more heavy duty. Also upgrade to the larger a-arm bushing u-bolts.
63-70
71/72
73-82
These are all different sizes, small to larger.
The only way to tell the difference is by the size of the ball joint I believe
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