Rear Control arms and sway bar B to A??

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Rear Control arms and sway bar B to A?? Empty Rear Control arms and sway bar B to A??

Post by newmexguy on Sun May 19, 2019 10:26 am

Any experts know if rear control arms and sway bar from '77 - '96 B chassis interchanges with all '73 - '77 A car chassis?  Do not have later (eighties) paper hollander readily available.

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Post by Limey SE on Sun May 19, 2019 10:36 am

Yes the Caprice and Impala sway bars and arm do fit I have a Impala Sway bar from 94 waiting to go on my car

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Rear Control arms and sway bar B to A?? 12527912
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Post by bigredlaguna on Sun May 19, 2019 11:49 am

In theory the trailing arms will, but I have heard of a "fix" to center the wheels in the wheel well openings on the bubble caprice. I'm not sure if the factory length control arms are the same, or if the "fix" is.
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Post by newmexguy on Mon May 20, 2019 1:19 pm

"Bubble" Caprice? Do you mean 71 - 76 Glass house style?
Is the rear end (the corporate 8.5 inch) the same?? Meaning 73 - 77 A versus 77 - 90 B? Have never measured one versus the other backing plate to backing plate.

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Post by bigredlaguna on Mon May 20, 2019 9:04 pm

No. Bubble Caprices are the last generation. I forget the year breaks, but the generation I was referring to includes the 1996 Impala SS.

The 71-76 are a physically larger platform and will not interchange.

73-77 A versus 77-end of production B-body will interchange. Just consider the lug patterns if the wheel selection is important to you. The box body 77-? may also have a physically weaker axle depending on how it was optioned when new.
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