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Drum vs Disc UCA's question
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Author:  textoad [ Fri Sep 03, 2004 8:08 am ]
Post subject:  Drum vs Disc UCA's question

I'm in the middle of a disc brake conversion on my '74 Scamp and I was planning on reusing my Upper Control Arms but now I'm reading that I need the UCA's from a disc brake car. For some reason I thought the drum and disc UCA's were the same. Is this correct? I have the steering knuckle and sliding caliper adapters from a '74 Scamp.

Thanks

Author:  Matt Cramer [ Fri Sep 03, 2004 9:31 am ]
Post subject: 

I'm pretty sure the control arms are the same. The ball joints may not be.

Author:  Dart270 [ Fri Sep 03, 2004 9:46 am ]
Post subject: 

73-76 A-body UCAs are all the same. Pretty sure BJs are too, but check rockauto.com to verify.

Lou

Author:  relic-lover [ Fri Sep 03, 2004 5:27 pm ]
Post subject:  drum ball joints will work ..

The references I have specifically say the 73-76 a body Disc
brake knuckles will bolt up to the ball joints that were stock on the
73-76 a body drum brake cars. You use the UCAs and the
LCAs from any 73-76 abody including the ball joints.

That said there is only one set of ball joint numbers listed for
the 73-76 abody. k 772 upper (both sides), k 781 lower right side,
and k 783 lower left side.

That sure is simple compared with the 72 and earlier As :!:

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