I'm changeing from drum to disc brake's on my 63 valiant. I was wondering if I had to change my lwoer control arms as well as the upper?
I Know the upper control arms and ball joint have to from 73-76 Abody but what about the lower

I'm not entirely sure about the ball-joint; but newer LCAs have provision for an anti-sway bar....



-but then weather an anti-sway bar will work with a 63 K-member is a mystery to me...

You can use your '63 lower control arms, if you like. I put '74 Duster disks on my '64, and am using my original LCA's.

Aftermarket sway bars for early A-bodies like yours are available, with various means of attachment.

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"When you find a big kettle of crazy, it's best not to stir it." - Pointy-haired Boss

1964 Valiant V200, 225/Pushbutton 904
BBD, CAI, HEI, LBP, AC, AM/FM/USB, EIEIO

Not all LCA's have provisions for the sway bar. I just saw my first A body with a swayb ar yesterday.

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'72 Duster 198 stock cam, 3:23's Hookers on jack stands for 8 years in the driveway
'79 Maxivan 360 Offy Qjet Comp RV cam/rusting in the driveway.
93 D350 160HP Cummins Auto Dually Clubcab needs a injector pump
2005 Golden Couch Buick

Sway bars were relatively rare on early a-bodies but several aftermarket options existed and still exist. They typically use some sort of bolt-on bracket in place of the factory welded-on tab. In fact, "Just Suspension" has them for $99.00. Whether they're any good or not I don't know.

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David Kight
'62 Valiant Signet, White
'98 Dodge Dakota
'06 Jeep Liberty

Growing older is unavoidable but growing up is strictly optional.

I have a 1 1/8" bar from them on my Satellite...an Addco piece. It does what its supposed to do very well! Even got poly bushings with it.

I have an Addco bar on both my 60 Val and 63 Dart and they both work great.I just ordered a $99 bar for the front of my Daughters 72 Val and it looks like a an Addco peice.You can also order Addco bars through your local Napa store in the Balkamp line but they are about a $100 more than going through Just Suspension.

HyperValiant

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1960 Hyper-Pac Valiant(rolling test-bed)
1963 Valiant V2OO(Son's summer project,- he just turned 15 )
1972 Valiant 4dr(Daughter Kelly's repair in progress)
1974 Valiant (v8) daughter Kelly's work in progress