73 Disc Brake Spindles

[Blairboy3]

I know this is going to probably be a dumb question.. but I'm trying to see if I can put a front disc brake kit together for my '68 Fury. I located some spindles & caliper brackets off a 73 Imperial at a local yard... but when I look for rotors, nothing comes up for the Imperial. If I change the search to a 73 New Yorker, I find rotors & other components. Are the spindles different, or are autoparts websites just not setup well? Lol.

Also... I've got a set of disc brake spindles, calipers, & brackets off a 71 Newport... but when I checked for rotors (about 8 years ago - 2 piece rotors) they were crazy expensive. Did I read correctly in the Disc Brake Conversion sticky thread that those rotors have dropped in price?

 

[twostick]

The Imperial spindles are different and won't work.

The pre 73 rotors were repopped in unicast and are much cheaper than the original 2 piece ones were, IF you can find them.

Kevin

 

[Blairboy3]

The Imperial spindles are different and won't work.

The pre 73 rotors were repopped in unicast and are much cheaper than the original 2 piece ones were, IF you can find them.

Kevin

Ok... so I'm better off using my '71 parts if I can find the rotors... which I see Rock Auto has several options between $70 & $160.

Why are did they use different spindles on the Imperial?

 

[Ross Wooldridge]

71 C body rotors should be used on 73 C body spindles due to a bearing difference. Some say that a spacer or shim can be used, others say don't do it.

I don't believe the 73 Imperial spindles are the same as 73 C body spindles, and won't fit a 68 C body, or if they do, the geometry is incorrect.

 

[Blairboy3]

Ok... thoroughly confused now. I have 71 spindles, calipers, & caliper brackets off a Newport. (Thought they were paperweights due to the cost of the rotors at the time I pulled them off the donor car)
1. Can I just use those with the now cheaper 71 rotors?
2. Will they bolt onto my 68?
3. I need to rebuild the front end on top of converting the brakes... do I use the same components as I would for the drum setup? I read through 70_NPORT's stickied thread, but I'm not clear on which - if any - steering components are different other than the spindles.

I know I need a new mc & booster, as well as a proportioning valve.

Thanks!

 

[traintech55]

Yes, if you use everything for the 1971, they will fit your 1968.

 

[volksworld]

(1) yes (2) yes (3) yes, ball joints tie rod ends same from 68 drum to 71 disc....use the wheel bearings for 71 disc ( but I think they are the same too, an a2 outer and a6 inner)....use the 71 C body 1 1/32 diameter disc brake master...I have 2 cars converted that still have the drum boosters ( midland with the band clamp around them) and " proportioning valve" that stop fine...its not an actual proportioning valve, its a distribution valve to turn on the warning light if the front or rear circuit has a hydraulic failure...some folks swear you need the dual diaphragm booster, I think you do if you use the larger 1 1/8 68 disc master instead of the 71...if you already have a good booster try it (idk about Bendix boosters, they may not be as strong as the Midlands)

 

[1970FuryConv]

Why are did they use different spindles on the Imperial?

Different front subframe than c-body

Ok... thoroughly confused now. I have 71 spindles, calipers, & caliper brackets off a Newport. (Thought they were paperweights due to the cost of the rotors at the time I pulled them off the donor car)
1. Can I just use those with the now cheaper 71 rotors? YES
2. Will they bolt onto my 68? YES, DIRECT BOLT ON
3. I need to rebuild the front end on top of converting the brakes... do I use the same components as I would for the drum setup? I read through 70_NPORT's stickied thread, but I'm not clear on which - if any - steering components are different other than the spindles. YES, FRONT END COMPONENTS ARE SMAE

I know I need a new mc & booster, as well as a proportioning valve. DISAGREE. I USE DISC BRAKE MASTER CYLINDER, BUT DRUM BRAKE BOOSTER AND PROPORTIONING VALVE (ACTUALLY SAFETY SWITCH BLOCK FOR BRAKE WARNING LIGHT). ALSO USED DRUM BRAKE LINES.

Thanks!

 

[Blairboy3]

Ok, thanks guys... that cleared it up for me. I appreciate all the info!