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Duster disc brake parts #1600358 03/29/14 11:43 PM 03/29/14 11:43 PM
Joined: Mar 2003 Posts: 710 Harrisburg Pa. 17112 M moparmikethree OP super stock
moparmikethree OP super stock M Joined: Mar 2003 Posts: 710 Harrisburg Pa. 17112	Want to convert my 75 Duster to disc brakes.Can I use brakes from a Volare or a St Regis or New Yorker. What parts will work properly

Re: Duster disc brake parts [Re: moparmikethree] #1600359 03/30/14 12:50 AM 03/30/14 12:50 AM
Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska R RapidRobert Circle Track
RapidRobert Circle Track R Joined: Nov 2003 Posts: 36,040 Lincoln Nebraska	The volare spindles will fit & iirc the horizontle spindle height is 3/8" taller than the A spindles but people have sucessfully used them. EDIT If you do have the smaller UBJ, Doc has sleeve spacers so you can keep the same UCA/UBJ. Last edited by RapidRobert; 03/30/14 01:23 AM. live every 24 hour block of time like it's your last day on earth

Re: Duster disc brake parts [Re: RapidRobert] #1600360 03/30/14 01:18 AM 03/30/14 01:18 AM
Joined: Jun 2005 Posts: 5,102 Western Md. skicker "The Champ"
skicker "The Champ" Joined: Jun 2005 Posts: 5,102 Western Md.	Quote: The volare spindles will fit & iirc the horizontle spindle height is 3/8" taller than the A spindles but people have sucessfully used them Robert is correct the F body spindles will bolt right in place. Make sure your old drum brakes were 10" (big ball joint) otherwise you may have to change upper control arms. You also want to double check the bolt pattern as some bodies did receive the 4" drum brakes up into the middle 70's. The only ones I've seen were 4 doors. ...FAFO...

Re: Duster disc brake parts [Re: skicker] #1600361 03/30/14 01:37 AM 03/30/14 01:37 AM
Joined: Dec 2003 Posts: 16,844 Phoenix - surface of the sun nomore65BelvJim I Live Here
nomore65BelvJim I Live Here Joined: Dec 2003 Posts: 16,844 Phoenix - surface of the sun	Quote: Quote: The volare spindles will fit & iirc the horizontle spindle height is 3/8" taller than the A spindles but people have sucessfully used them Robert is correct the F body spindles will bolt right in place. Make sure your old drum brakes were 10" (big ball joint) otherwise you may have to change upper control arms. You also want to double check the bolt pattern as some bodies did receive the 4" drum brakes up into the middle 70's. The only ones I've seen were 4 doors. 75 A's all had the large ball joint uppers from the factory. Typically all A's from 73 up had large upper ball joints, drum or disc brakes, didnt matter. There were some "use up the parts in stock" hold overs so some 73's reportedly got the small ball joint uppers. Parts books show the availability. ALL A bodies with 4 wheel drum brakes were small bolt pattern and had a 7-1/4 rear. F, M, J and late B's make great disc brake donors. Spindles out plus master/dist-prop valve.

Re: Duster disc brake parts [Re: moparmikethree] #1600362 03/30/14 03:22 PM 03/30/14 03:22 PM
Joined: Jan 2003 Posts: 31,034 Oregon A AndyF I Win
AndyF I Win A Joined: Jan 2003 Posts: 31,034 Oregon	For drag racing you can put disc brake rotors right on the'75 Duster drum brake knuckles. Just need a caliper bracket to hold the caliper. That combo makes a nice lightweight setup. For street driving it is better to swap in disc knuckles. The late model drum knuckles are worth some money so don't toss them. I used to use those knuckles for my Viper conversion since they were lightweight but had the large bearings.

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