Brakes - Help Me Choose
#1777162
03/11/15 06:26 PM
03/11/15 06:26 PM
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Joined: Feb 2015
Posts: 30
Norcal
Wildjones
OP
member
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OP
member
Joined: Feb 2015
Posts: 30
Norcal
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Hey guys, I am in the middle of building/rebuilding my '70 Cuda. Originally I was going for straight line fast, but recently decided I wanted to make it a bit of a corner carver, or as much as an old car can anyways. I will have a 496 up front, so it won't be as nimble as some of the small block cars. I have gathered up all the typical handling parts for the front: 1.12 torsion bars, 1.25 sway bars, Welded K, braced LCA, Hotchkis UCAs, etc, but I still have stock 10.95 discs and drums out back. I talked with Cass @ DoctorDiff and he was super helpful, but I am still torn between his Stage 3 and Stage 4 kit. The reality of it is I likely won't make it out to a track or autocross event all that much. Most of my time driving the car will likely be out on the street or on the twisty back roads, which seems like the Stage 3 is more than adequate for my needs. Either way, my 15s won't fit, so I am not held back by wheels. The Stage 4 looks killer sitting behind an 18, but is it worth the extra cash? The difference in price is 2/3 the cost of new rear leafs, which I still need to buy, among a still pretty long list of parts. I know the Stage 3 is likely adequate for my needs, but I figured I would consult the gurus here in this sub before pulling the trigger.  Thanks!
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Re: Brakes - Help Me Choose
[Re: amxautox]
#1777164
03/11/15 06:41 PM
03/11/15 06:41 PM
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Joined: May 2003
Posts: 96,661
On The Boat, On The Lake, Wa. ...
amxautox
Still Retired. Still Posting on Moparts. A Lot.
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Still Retired. Still Posting on Moparts. A Lot.
Joined: May 2003
Posts: 96,661
On The Boat, On The Lake, Wa. ...
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Quote:
The reality of it is I likely won't make it out to a track or autocross event all that much. Most of my time driving the car will likely be out on the street or on the twisty back roads,
The info on the stage 3 shows it to be more than great for your intended use.
BUT! If in the future you get the autocross bug seriously, the stage 3 will be fine, but of course the stage 4 will be better. So, will you ever get 'the bug'?
Tom
"Everyone should believe in something; I believe I'll go fishing."
-Henry David Thoreau
Men and fish are alike. They both get into trouble when they open their mouths
author unknown
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Re: Brakes - Help Me Choose
[Re: amxautox]
#1777165
03/11/15 06:42 PM
03/11/15 06:42 PM
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Joined: Feb 2015
Posts: 30
Norcal
Wildjones
OP
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OP
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Joined: Feb 2015
Posts: 30
Norcal
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This might help: http://www.doctordiff.com/blog/documentation/disc-brake-kit-comparison/The stage 4 kit sounds like a replacement to the viper kit. Both stage 3 and 4 have the same rotor, but they have different calipers. The stage 3 is a Cobra based caliper. The stage 4 caliper sticks out a bit further which could cause headaches when fitting wheels. Seems like most folks here run the stage 4 or Viper or Amg swap. I would just like some advice is all.
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Re: Brakes - Help Me Choose
[Re: Wildjones]
#1777166
03/11/15 07:08 PM
03/11/15 07:08 PM
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Joined: Nov 2013
Posts: 29
Illinois/Tennessee
Murfman1967
member
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member
Joined: Nov 2013
Posts: 29
Illinois/Tennessee
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I'm leaning towards the Viper brackets and 11.75" C body rotors unless someone tells me its a bad idea... I already have 10" drum spindles on the car, so it seems like a viable choice.
99 Ram 2500 QCSB V-10 Stepside
72 Magnum Marine 27' Twin 5.9 Magnums
70 A-100 Sportsman /6
67 Coronet R/T 440
66 Charger 470
53 Plymouth Suburban flathead T-5
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Re: Brakes - Help Me Choose
[Re: 68cuda440]
#1777169
03/12/15 04:49 AM
03/12/15 04:49 AM
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Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101
I got lucky at Woodward!
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I got lucky at Woodward!
Joined: Dec 2010
Posts: 12,375
SoCal
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Quote:
Quote:
The choice was simple for me as I got the biggest brake system I could afford, Cass's Stage 4 non-drilled
With the weight of our cars you can never have too much brakes
Stage 4+ for me.
Where did you get those rotors from? After my drilled rotors get worn out or start to crack, I'm going to be looking for a slotted/non-drilled rotor.
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Re: Brakes - Help Me Choose
[Re: 68cuda440]
#1777170
03/12/15 10:42 AM
03/12/15 10:42 AM
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Joined: Jun 2007
Posts: 2,432
NorCal
RylisPro
top fuel
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top fuel
Joined: Jun 2007
Posts: 2,432
NorCal
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Quote:
Stage 4+ for me.
Hey! Those are the aluminum hat rotors I wanted to buy,
but Cass never sold me a set.
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Re: Brakes - Help Me Choose
[Re: 68cuda440]
#1777173
03/12/15 06:15 PM
03/12/15 06:15 PM
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Joined: Jun 2007
Posts: 2,432
NorCal
RylisPro
top fuel
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top fuel
Joined: Jun 2007
Posts: 2,432
NorCal
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Quote:
I'm sure if you call him and give him your credit card info he can fix that for you.
I have called him enough times that I'm sure he has it memorized haha!
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Re: Brakes - Help Me Choose
[Re: feets]
#1777175
03/12/15 08:41 PM
03/12/15 08:41 PM
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Joined: Nov 2013
Posts: 29
Illinois/Tennessee
Murfman1967
member
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member
Joined: Nov 2013
Posts: 29
Illinois/Tennessee
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What is the consensus on the Dr Diff Viper caliper kit using c body 11.75 x 1.25 rotors?
99 Ram 2500 QCSB V-10 Stepside
72 Magnum Marine 27' Twin 5.9 Magnums
70 A-100 Sportsman /6
67 Coronet R/T 440
66 Charger 470
53 Plymouth Suburban flathead T-5
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Re: Brakes - Help Me Choose
[Re: feets]
#1777178
03/13/15 01:39 AM
03/13/15 01:39 AM
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Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
OzHemi
Penguin-hating Ginger
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Penguin-hating Ginger
Joined: Jan 2003
Posts: 104,346
Garden Grove, CA
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Quote:
Quote:
Seems like most folks here run the stage 4 or Viper or Amg swap. I would just like some advice is all.
Only 2 of us have done AMG swaps.
One of which was on a Holden.. 
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Re: Brakes - Help Me Choose
[Re: dickdale]
#1777180
03/13/15 04:11 PM
03/13/15 04:11 PM
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Joined: Jan 2003
Posts: 28,067
Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,067
Irving, TX
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The disc brake spindle will likely offer better solutions.
Those calipers are going to be tought to mount either way. Luckily, the 8 piston AMG calipers I used had a removable bracket that allowed a radial mount.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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