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1968 Fury Disc Brake Swap from a 1975 Newport
#810027
09/21/10 06:03 AM
09/21/10 06:03 AM
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Joined: Mar 2005
Posts: 296
Germany
1964Polara
OP
enthusiast
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OP
enthusiast
Joined: Mar 2005
Posts: 296
Germany
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Facing dilemma of a 1968 Fury III with Power Brakes but Drums on all 4 corners I'm looking to upgrade to a Disc Brake Setup with lots of stopping power. Scarebird & SSBC Setup seems to be unsificient Braking power for german Autobahn with a 2,76 rear... Following this article http://www.moparaction.com/Tech/archive/disc-main.htmlit shall be possible to swap the complete Disc Brakes from a 1973 C-Body....but can I use also some from a 1975 Newport donor car which I have access to?
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: Andrewh]
#810029
09/21/10 10:26 AM
09/21/10 10:26 AM
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Joined: Jun 2004
Posts: 220
Iron Station, NC
furygt
enthusiast
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enthusiast
Joined: Jun 2004
Posts: 220
Iron Station, NC
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You need the disc brake set up from a '70 - '73 C Body to do this swap. The '73 set up is preferred by many but only because new rotors are less expensive than for the '70 - '72 rotors, however the '70 - '72 rotors have come down in price. There are other aftermarket kits out there. You may want to do some seaching or posting on www.cbodydrydock.comBill
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: Andrewh]
#810031
09/21/10 03:20 PM
09/21/10 03:20 PM
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Joined: Jan 2003
Posts: 5,357
Rancho Cordova, California (Sa...
hemi71x
master
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master
Joined: Jan 2003
Posts: 5,357
Rancho Cordova, California (Sa...
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Quote:
The spindles and such won't work from a 75.
About the only thing that might be usable is the booster and master, but then you won't be able to down shift from drive into 2 or 1 if you have a column shift car.
What's different in the design of lets say, a 74-75 spindle, and a 73 and earlier spindle.
In what way are they different, and why won't they work? 
I would like to know, as people always ask about this swap, and i don't know the answer to the spindle question.
RF-4C Phantom 69-370 Zweibrucken, Germany
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: Andrewh]
#810035
09/22/10 01:13 AM
09/22/10 01:13 AM
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Joined: May 2008
Posts: 1,131
Thigh-Gap Junction
@#$%&*!
New user name, Same old jerk!
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New user name, Same old jerk!
Joined: May 2008
Posts: 1,131
Thigh-Gap Junction
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Quote:
there was however a person that found that late model van spindles, the ones that use the 73 rotors, turned out to bolt up too. but I don't have the exact details on that.
I guess that would be me, but there are other issues to deal with that make it a hard swap. One thing is that the '74-up C's/trucks used a larger upper ball joint than the earlier C's. The '74 C's and trucks also used a screw-in type lower ball joint that moves the lower attach point of the knuckle outward about 1/2". The nice thing about the swap is the big calipers, my '67 New Yorker stopped as well as the Honda Accord hatchback I used to drive around, and that's saying something. 
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: @#$%&*!]
#810036
09/22/10 07:35 AM
09/22/10 07:35 AM
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Joined: Mar 2005
Posts: 296
Germany
1964Polara
OP
enthusiast
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OP
enthusiast
Joined: Mar 2005
Posts: 296
Germany
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Quote:
Quote:
there was however a person that found that late model van spindles, the ones that use the 73 rotors, turned out to bolt up too. but I don't have the exact details on that.
I guess that would be me, but there are other issues to deal with that make it a hard swap. One thing is that the '74-up C's/trucks used a larger upper ball joint than the earlier C's. The '74 C's and trucks also used a screw-in type lower ball joint that moves the lower attach point of the knuckle outward about 1/2". The nice thing about the swap is the big calipers, my '67 New Yorker stopped as well as the Honda Accord hatchback I used to drive around, and that's saying something.
Hmm lets say I would have a complete 1974 Chrysler Town & Country with 440cui...... May I swap the full braking system including Upper & Lower Control Arms? Anybody tried this?
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: 1964Polara]
#810037
09/22/10 08:51 AM
09/22/10 08:51 AM
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Joined: Mar 2007
Posts: 9,336
South-Central (Sebring), FL
Commando1
master
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master
Joined: Mar 2007
Posts: 9,336
South-Central (Sebring), FL
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Quote:
May I swap the full braking system including Upper & Lower Control Arms? Anybody tried this?
Can't say I have ever heard of anyone that insane. 
Doesn't it get to a point where all the fabrication outweigh the benefits? That's a lot of work.
I had a '66 Fury where I chose to completely rebuild 100% of the manual drum system. Would stop on a dime plus a penny. Close enough for all of my type of driving.
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: Commando1]
#810038
09/23/10 03:26 AM
09/23/10 03:26 AM
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Joined: Mar 2005
Posts: 296
Germany
1964Polara
OP
enthusiast
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OP
enthusiast
Joined: Mar 2005
Posts: 296
Germany
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Quote:
Quote:
May I swap the full braking system including Upper & Lower Control Arms? Anybody tried this?
Can't say I have ever heard of anyone that insane.
Doesn't it get to a point where all the fabrication outweigh the benefits? That's a lot of work.
I had a '66 Fury where I chose to completely rebuild 100% of the manual drum system. Would stop on a dime plus a penny. Close enough for all of my type of driving.
Never had a closer look at a 74 C-Body so maybe you're right if there is too much fabrication I wasn't aware of. The 74 donor car would offer also a nice 440, 727 and 8,75 axle at a decent price...
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: Twostick]
#810041
09/23/10 10:13 AM
09/23/10 10:13 AM
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Joined: Jan 2003
Posts: 4,587
St. John's Newfoundland
440newport
master
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master
Joined: Jan 2003
Posts: 4,587
St. John's Newfoundland
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Quote:
If the pick up points on the 74 frame are the same as the 68 it would be just a matter of swapping old control arms for new. No fab involved. So has anybody actually compared the 2 frames to see if a 74 control arm will fit a 68?
Kevin
I doubt they would fit. 65-73 uses cam bolts on the UCA to adjust them, while 74-78 has a shaft through the UCA that is slotted in the K frame to adjust it like an F/M/J body. 2 totally different setups.
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: Twostick]
#810043
09/23/10 10:32 AM
09/23/10 10:32 AM
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Joined: Sep 2003
Posts: 1,688
Marlboro, NY, USA
Rick_Ehrenberg
top fuel
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top fuel
Joined: Sep 2003
Posts: 1,688
Marlboro, NY, USA
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Here's spec. comparisons for the various C-body discs, factory and Scarebird (from the M.A. article). Note that any larger diameter rotors would require a wheel size increase. Rick E. 
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: not_a_charger]
#810045
09/23/10 11:23 AM
09/23/10 11:23 AM
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Joined: Dec 2006
Posts: 3,533
Indiana
Fury Fan
master
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master
Joined: Dec 2006
Posts: 3,533
Indiana
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Correct, discs run at higher pressure and a drum-brake booster isn't sufficient. Reportedly it will deceptively work for normal driving, but be inadequate for a hard stop (which is believable).
Which booster to use depends on the car. For instance, the large-diameter flat booster that I have seen on 71-73 Cs will interfere with column-shift linkage on a 68 (it will prevent the linkage from hitting 1st). My 2 conversions have been manual disc and PB but 4-speed, so I have no further info.
Also, anyone reading & planning should be aware that, unlike other Mopars, in a C-body the pedal and bracketry are different between PB and MB. Pedal setup must be correct!
Last edited by Fury Fan; 09/23/10 11:30 AM.
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Re: 1968 Fury Disc Brake Swap from a 1975 Newport
[Re: Fury Fan]
#810046
09/23/10 11:36 AM
09/23/10 11:36 AM
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Joined: Dec 2007
Posts: 19,862
Puttin' on the foil in Charles...
not_a_charger
Mr. Big Shot Moparts Moderator
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Mr. Big Shot Moparts Moderator
Joined: Dec 2007
Posts: 19,862
Puttin' on the foil in Charles...
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I've been talking to another Moparts member about buying a car from him (66 Fury wagon), but I can't find anyone who has the correct booster. There's one listed on Ebay that says it fits disc/drum setups "except field installed." I'm not sure what that means...maybe converted from 4 wheel drums, as opposed to factory installed disc/drum? I emailed them, but have yet to get a reply.
Earning every penny of that moderator paycheck.
DBAP
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