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Post Info TOPIC: 65-70. 2 lower control arm holes. Why. For what?

Poncho Master!

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Posts: 1671
RE: 65-70. 2 lower control arm holes. Why. For what?

cdnpont wrote:


As far as moving the mount back and fourth to the different holes changing the pinion angle? No Idea, but it certainly looks like it would. Bottom hole moves the pinion plane down relative to the top hole position. So when down, in order to equalize it, adding shims to the top mounts would bring it back up?

Anyone know if F41 or wagons had the shims behind the UCA frame mounts that all others did not?

-- Edited by cdnpont on Thursday 2nd of December 2021 03:07:31 PM

 If the rear axle housing bolted directly to the arms, like a coil spring gm truck, then yes if might make a small difference, but seeing as it is bushing/pin mounted, that slight change won't change the pinion angle any noticeable amount if any at all.


Stony Mountain, MB

65 Impala SS 2dr HT
65 Impala convert.
59 Impala 2dr HT
67 Acadian Canso 2dr HT




Canadian Poncho Superstar!

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Posts: 8695

True. The elastomeric bushing negates any real difference. It all moves around some anyway.

65 Laurentian post, 67 Grande Parisienne 4 door HT. 
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