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New Viper brake kit #2469983
03/21/18 08:42 PM
03/21/18 08:42 PM
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Oregon
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AndyF Offline OP
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I'm working with Cass (DoctorDiff) to build a Viper based front disc kit for my Duster. Plan is to test it out on my car and if it all looks good then Cass might put it into production. Here are a couple of photos showing the first prototype mounted on the bench. This setup uses a DoctorDiff hub, Baer rotor, Viper caliper and an AR Engineering caliper bracket. Looks to me like it is going to work just fine. Should have it mounted up on the car in a few weeks.

DSC_2236 (Large).JPGDSC_2237 (Large).JPG
Re: New Viper brake kit [Re: AndyF] #2469999
03/21/18 09:17 PM
03/21/18 09:17 PM
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Texas
GoodysGotaCuda Offline
5.7L Hemi, 6spd
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Looks great!


1972 Barracuda - 5.7L Hemi, T56 Magnum 6spd - https://www.facebook.com/GoodysGotaHemi
2020 RAM 1500
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Re: New Viper brake kit [Re: GoodysGotaCuda] #2470009
03/21/18 09:36 PM
03/21/18 09:36 PM
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Colorado
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MoparCar Offline
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I agree. That looks great! Is that a disk or drum spindle that it mounts to?
Wes

Re: New Viper brake kit [Re: AndyF] #2470098
03/21/18 11:13 PM
03/21/18 11:13 PM
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AndyF Offline OP
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Disc knuckle. I used a FMJ knuckle in the picture but the kit will also fit on A body knuckles if you want to use a short knuckle for some reason.

Re: New Viper brake kit [Re: AndyF] #2470112
03/21/18 11:24 PM
03/21/18 11:24 PM
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Reno, Nevada
NV69B7RR Offline
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I'm liking what I see!! I Hope to see it made into a kit form.
What year Viper calipers is it designed for?
13" rotor?

Re: New Viper brake kit [Re: AndyF] #2470130
03/21/18 11:52 PM
03/21/18 11:52 PM
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SoCal
MuuMuu101 Offline
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Nice! I haven't been too keen on the drilled Mercedes rotors deal on my current brake kit. I was going to go for a 2-piece hat rotor when they needed to be changed out.

Re: New Viper brake kit [Re: AndyF] #2470179
03/22/18 01:28 AM
03/22/18 01:28 AM
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Granite Bay CA
Kern Dog Offline
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What kind of braking force improvement can you expect with this as compared to a 2.75" single piston caliper with a 12" Cordoba rotor ?

Re: New Viper brake kit [Re: AndyF] #2470187
03/22/18 01:45 AM
03/22/18 01:45 AM
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So Cal
autoxcuda Offline
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What’s the availability on the Viper rotor?:

-Used only?

-Can you buy new or used without a core? Typical Price?

-what is typical rim diameter needed?

Re: New Viper brake kit [Re: AndyF] #2470194
03/22/18 02:10 AM
03/22/18 02:10 AM
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Polson, MT
DoctorDiff Offline
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That 2 piece 13" Baer rotor will interchange with the 1 piece Mercedes rotor supplied with my Stage 4 front brake kit.

Matching 2 piece 11.7" rotors are also available for my 11.7" rear brake kits.

Re: New Viper brake kit [Re: autoxcuda] #2470198
03/22/18 02:29 AM
03/22/18 02:29 AM
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AndyF Offline OP
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Originally Posted By autoxcuda
What’s the availability on the Viper rotor?:

-Used only?

-Can you buy new or used without a core? Typical Price?

-what is typical rim diameter needed?


That is a Baer rotor. The Viper calipers are available new from any Dodge dealer. I just bought a set of them for my car. They were $481 each at my local dealer. Not sure how much longer they'll be available but no problem buying them at the moment.

Re: New Viper brake kit [Re: Kern Dog] #2470199
03/22/18 02:33 AM
03/22/18 02:33 AM
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Oregon
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AndyF Offline OP
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Originally Posted By Frankenduster
What kind of braking force improvement can you expect with this as compared to a 2.75" single piston caliper with a 12" Cordoba rotor ?


I don't know but I suppose there is a reason the Mopar engineers didn't use the Cordoba rotors on the Viper.

Re: New Viper brake kit [Re: DoctorDiff] #2470200
03/22/18 02:34 AM
03/22/18 02:34 AM
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NorCal
RylisPro Offline
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Originally Posted By DoctorDiff
That 2 piece 13" Baer rotor will interchange with the 1 piece Mercedes rotor supplied with my Stage 4 front brake kit.

Matching 2 piece 11.7" rotors are also available for my 11.7" rear brake kits.

Cass does your 2 piece 13" Baer and 11.7" rotors come with solid discs without any holes?

If so, then I need a set!
Thanks!


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Re: New Viper brake kit [Re: AndyF] #2470204
03/22/18 03:06 AM
03/22/18 03:06 AM
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So Cal
autoxcuda Offline
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Originally Posted By AndyF
Originally Posted By autoxcuda
What’s the availability on the Viper rotor?:

-Used only?

-Can you buy new or used without a core? Typical Price?

-what is typical rim diameter needed?


That is a Baer rotor. The Viper calipers are available new from any Dodge dealer. I just bought a set of them for my car. They were $481 each at my local dealer. Not sure how much longer they'll be available but no problem buying them at the moment.


Thanks. I meant to write caliper, my bad.


I prefer the Dr Diff forged aluminum hubs. And they fit large bearing spindles (Willwood doesn’t have a kit for that).

I perfer the idea of a production caliper.

I’m going to run ET minilite rims. They said the Brembo calipers tend to have tighter clearance between caliper and backside of wheel/spokes.. What is the postive or negative distance between the top of the hat to the top of caliper in this new kit?

Re: New Viper brake kit [Re: AndyF] #2470215
03/22/18 03:47 AM
03/22/18 03:47 AM
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Polson, MT
DoctorDiff Offline
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Slotted (only) Baer rotors are also available.

Re: New Viper brake kit [Re: DoctorDiff] #2470216
03/22/18 03:53 AM
03/22/18 03:53 AM
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NorCal
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Originally Posted By DoctorDiff
Slotted (only) Baer rotors are also available.

I'm calling you tomorrow for a set Cass thanks!

Were the 2 piece rotors not available when I bought my spare 1 piece rotors?
Thanks again!


73 `Cuda
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Re: New Viper brake kit [Re: AndyF] #2470218
03/22/18 04:05 AM
03/22/18 04:05 AM
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Polson, MT
DoctorDiff Offline
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The front rotors, rear rotors and rear hats have always been available. Baer made me a small batch of front hats to fit my Stage 4 front brake kit. I just received them today.

Last edited by DoctorDiff; 03/22/18 04:05 AM.
Re: New Viper brake kit [Re: DoctorDiff] #2470219
03/22/18 04:16 AM
03/22/18 04:16 AM
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NorCal
RylisPro Offline
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How much lighter are the 2 piece vs. the 1 piece?
Need to lose more weight haha!


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Re: New Viper brake kit [Re: DoctorDiff] #2470441
03/22/18 03:45 PM
03/22/18 03:45 PM
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USA
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rftroy Offline
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4-1/2" B.C.?

Robert


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Re: New Viper brake kit [Re: AndyF] #2470448
03/22/18 03:52 PM
03/22/18 03:52 PM
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Granite Bay CA
Kern Dog Offline
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Originally Posted By AndyF
Originally Posted By Frankenduster
What kind of braking force improvement can you expect with this as compared to a 2.75" single piston caliper with a 12" Cordoba rotor ?


I don't know but I suppose there is a reason the Mopar engineers didn't use the Cordoba rotors on the Viper.


WEll, yeah....
I understand that weight is a big part of it, right?
I was not criticizing at all, I was wondering about the math of it. I did not see the size of the rotor or the piston configuration of the caliper so...
Thanks though.

Re: New Viper brake kit [Re: rftroy] #2470468
03/22/18 04:33 PM
03/22/18 04:33 PM
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NorCal
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Originally Posted By rftroy
4-1/2" B.C.?

Yes 4.5" bolt circle.

I just talked to Cass and he was trying to get pricing from Baer for my 2 piece rotors
Cass makes some great stuff! I just might have to stock some of it whistle


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