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Re: DoctorDiff's rear disc kit [Re: Pale_Roader] #783698 08/31/10 11:49 AM 08/31/10 11:49 AM
Joined: Jan 2003 Posts: 31,021 Oregon A AndyF OP I Win
AndyF OP I Win A Joined: Jan 2003 Posts: 31,021 Oregon	Yes, it is a road race car. Those are 10.7 brakes in the picture and they work just fine on a car that goes 150+ mph. The car could probably use more rear brake so we might step it up to the larger rotors.

Re: DoctorDiff's rear disc kit [Re: AndyF] #783699 08/31/10 11:57 AM 08/31/10 11:57 AM
Joined: Jan 2005 Posts: 4,862 the frozen wastes... Pale_Roader Swears too much
Pale_Roader Swears too much Joined: Jan 2005 Posts: 4,862 the frozen wastes...	Quote: Yes, it is a road race car. Those are 10.7 brakes in the picture and they work just fine on a car that goes 150+ mph. The car could probably use more rear brake so we might step it up to the larger rotors. So on a 3200lb E-body with really wide (good) tires the 11.75/11.7" brakes all around would work pretty well at speed...??? Sure wish i could fit the really big stuff under stock rims... I'd like the option ov throwing the stock rims on for a nostalgia night now and then...

Re: DoctorDiff's rear disc kit [Re: Pale_Roader] #783700 08/31/10 01:49 PM 08/31/10 01:49 PM
Joined: Jan 2003 Posts: 31,021 Oregon A AndyF OP I Win
AndyF OP I Win A Joined: Jan 2003 Posts: 31,021 Oregon	Just depends how much power you have and how hard you drive. A powerful 3200 lb car that is being driven hard on a road race course will cook the factory 11.75 rotors really quick. If you're just cruising around the track then they'll last a long time. We use a custom built 13 x 1.250 rotor up front on this Valiant with Baer six piston calipers. Those are $3000 brakes and even those will start to fade after repeated stops from 150. Factory 11.75 rotors up front would be toast in a few laps on a car like this. Last edited by AndyF; 08/31/10 01:50 PM.

Re: DoctorDiff's rear disc kit [Re: AndyF] #783701 09/01/10 07:21 AM 09/01/10 07:21 AM
Joined: Jan 2005 Posts: 4,862 the frozen wastes... Pale_Roader Swears too much
Pale_Roader Swears too much Joined: Jan 2005 Posts: 4,862 the frozen wastes...	Quote: Just depends how much power you have and how hard you drive. A powerful 3200 lb car that is being driven hard on a road race course will cook the factory 11.75 rotors really quick. If you're just cruising around the track then they'll last a long time. We use a custom built 13 x 1.250 rotor up front on this Valiant with Baer six piston calipers. Those are $3000 brakes and even those will start to fade after repeated stops from 150. Factory 11.75 rotors up front would be toast in a few laps on a car like this. You know, i drive my cars pretty hard. Actually no, i should say i drive them pretty fast, all the time, everywhere, but somehow i am just not hard on the brakes. I get crazy mileage out ov brakes compared to others. Even on the girlfriend's 96GT Mustang, with its 4-wheel (but very small) discs, i've only warped two sets (fronts) in 4 years, and those stock GT (not the Cobra brakes) will warp if you look at 'em hard enough... I've got a couple cars i've owned for years and years that still have the brakes on them they came with. Sure, road racing will change the needs drastically, but i still say i'd do better than most, wear-wise. Again, the ONLY reason i wont go with bigger 13 or 14" set-ups, is so i can still use stock rims on occasion. I'm assuming you're doing all the usual tricks with your Valiant like cooling/ducting, SS hoses, etc....??? I haven't gone that far yet, but i will with this project i'm building.

Re: DoctorDiff's rear disc kit [Re: DoctorDiff] #783702 09/05/10 02:46 AM 09/05/10 02:46 AM
Joined: Jan 2003 Posts: 31,021 Oregon A AndyF OP I Win
AndyF OP I Win A Joined: Jan 2003 Posts: 31,021 Oregon	Cass, is the Ford Explorer kit still available? Looks like it isn't in the catalog anymore. There is a replacement kit that has a bigger 11.8 rotor and doesn't look the same. The Explorer kit used a drum parking brake and the new M-2300-G2 kit looks like it uses the caliper for the parking brake. Have you used the new kit?

Re: DoctorDiff's rear disc kit [Re: AndyF] #783703 09/05/10 03:08 AM 09/05/10 03:08 AM
Joined: Jun 2005 Posts: 793 Utah topbrent super stock
topbrent super stock Joined: Jun 2005 Posts: 793 Utah	Quote: AndyF: Cass, is the Ford Explorer kit still available? Looks like it isn't in the catalog anymore. Have you used the new kit? What catalog?

Re: DoctorDiff's rear disc kit [Re: Pale_Roader] #783704 10/01/10 09:52 PM 10/01/10 09:52 PM
Joined: Sep 2010 Posts: 1 los angeles CA, 90015 M mikoto member
mikoto member M Joined: Sep 2010 Posts: 1 los angeles CA, 90015	Quote: Quote: Yes, it is a road race car. Those are 10.7 brakes in the picture and they work just fine on a car that goes 150+ mph. The car could probably use more rear brake so we might step it up to the larger rotors. So on a 3200lb E-body with really wide (good) tires the 11.75/11.7" brakes all around would work pretty well at speed...??? Sure wish i could fit the really big stuff under stock rims... I'd like the option ov throwing the stock rims on for a nostalgia night now and then... Hi, good day. there's just had happened to my car and ohh, i just had realized that to increase the boost of my ford i need to fix the engine i mean i need to adjust the settings. from my ford parts. ha ha ha cheer up! mikoto \| miyata

Re: DoctorDiff's rear disc kit [Re: AndyF] #783705 10/02/10 07:16 AM 10/02/10 07:16 AM
Joined: Aug 2003 Posts: 2,466 Answering the call of the wild T ThermoQuad top fuel
ThermoQuad top fuel T Joined: Aug 2003 Posts: 2,466 Answering the call of the wild	Alright enough of scaring the kids Stock rotors hold up under road course conditions at least for me...ok so I only go 130 mph with a old muscle car...I think that is plenty fast. The pads typically give out long before the rotors throw in the towel. I use the wilwood calipers/11.75 rotors with a different pad material that holds up very well under duress[long wearing] and the car stops well without much fade ever. There are air ducts on the rotors as well. I have many miles on this set up, it works, the rotors are wearing nicely and are not warped...I ran for years with the stock stock two piece rotor/calipers with carbon metallic pads, no problems with the rotors, just some fade and poor pad life. [hint it's in the bearing preload] On another car I have one of Doc Diffs rear wheel disc brakes kits in use and it is a nice set up. We needed a different mounting bracket to clear the firm feel sway bar and Doc Diff came thru with the fix!!!

Re: DoctorDiff's rear disc kit [Re: ThermoQuad] #783706 10/02/10 01:58 PM 10/02/10 01:58 PM
Joined: Jul 2004 Posts: 1,145 Arizona, USA gsmopar super stock
gsmopar super stock Joined: Jul 2004 Posts: 1,145 Arizona, USA	No issue with mine. They work great!

Re: DoctorDiff's rear disc kit [Re: gsmopar] #783707 10/02/10 02:42 PM 10/02/10 02:42 PM
Joined: May 2004 Posts: 3,210 robin hood country deaks master
deaks master Joined: May 2004 Posts: 3,210 robin hood country	Do these have provision for an emergency brake, also what weight saving is there over 11" drums on my dana. Mick 69 Dart GTS 440 mopar .590 cam, Edelbrock heads, 3200# best et 6.45, 106.78, 10.14, 132.88 mph, 1.47 60ft best 60ft 1.36

Re: DoctorDiff's rear disc kit [Re: AndyF] #783708 10/02/10 05:19 PM 10/02/10 05:19 PM
Joined: Jan 2003 Posts: 8,016 Polson, MT DoctorDiff master
DoctorDiff master Joined: Jan 2003 Posts: 8,016 Polson, MT	Andy, Yes, Ford discountinued the traditional Explorer rear disc brake kit a few months ago. I think Currie Enterprises is now the oly source for that kit. I haven't tried the new Motorsport rear disc brake kit. Deaks, If I remember correctly, my standard 10.7" rear disc brake kit weighs 21 lbs per side. Parking brake cables are included. Contact info

Re: DoctorDiff's rear disc kit [Re: DoctorDiff] #783709 10/03/10 10:03 AM 10/03/10 10:03 AM
Joined: Mar 2005 Posts: 1,550 Michigan K Kiddart pro stock
Kiddart pro stock K Joined: Mar 2005 Posts: 1,550 Michigan	Doctor Diff do you have a web site to review the kits?? Thank you Kiddart

Re: DoctorDiff's rear disc kit [Re: Kiddart] #783710 05/02/11 11:42 PM 05/02/11 11:42 PM
Joined: Oct 2006 Posts: 387 Montreal PQ, Canada 74_360_Cuda enthusiast
74_360_Cuda enthusiast Joined: Oct 2006 Posts: 387 Montreal PQ, Canada	Quote: Doctor Diff do you have a web site to review the kits??

Re: DoctorDiff's rear disc kit [Re: 74_360_Cuda] #783711 05/03/11 01:09 AM 05/03/11 01:09 AM
Joined: Jan 2003 Posts: 31,021 Oregon A AndyF OP I Win
AndyF OP I Win A Joined: Jan 2003 Posts: 31,021 Oregon	His website is in his profile.

Re: DoctorDiff's rear disc kit [Re: AndyF] #783712 05/03/11 02:06 AM 05/03/11 02:06 AM
Joined: Jan 2003 Posts: 8,016 Polson, MT DoctorDiff master
DoctorDiff master Joined: Jan 2003 Posts: 8,016 Polson, MT	Unfortunately, my website is out of date. It does contain links to my eBay listings, which feature the 10.7" rear disc brake kit, however. www.doctordiff.com Contact info

Re: DoctorDiff's rear disc kit [Re: DoctorDiff] #783713 05/05/11 10:26 PM 05/05/11 10:26 PM
Joined: Mar 2008 Posts: 553 Kentucky clovis mopar
clovis mopar Joined: Mar 2008 Posts: 553 Kentucky	This is a pretty cost effective solution Cass put together for me. He supplied the re-drilled GM rotors and bolt on brackets. I supplied the GM Metric calipers and line kit. It requires a few little mods on the calipers but overall this is strictly a bolt on upgrade for around $300. You can get the calipers in a 2 3/8 piston, instead of the normal 2 1/2, which with the small 10.5 rotors makes the bias work out good. 6619495-7614.JPG (418 downloads) Last edited by clovis; 05/06/11 08:09 AM. '75 Plymouth Duster Phase I 451 906/590/2-660 10.75/126 Phase II 451 Stage VI/590/1050 9.82/135 Phase III 383 906/Victor-Pump gas 11.30/119 "For by grace you have been saved through faith. And this is not your own doing; it is the gift of God,"

Re: DoctorDiff's rear disc kit [Re: clovis] #783714 05/05/11 10:32 PM 05/05/11 10:32 PM
Joined: Mar 2008 Posts: 553 Kentucky clovis mopar
clovis mopar Joined: Mar 2008 Posts: 553 Kentucky	more pics 6619506-7612.JPG (296 downloads) '75 Plymouth Duster Phase I 451 906/590/2-660 10.75/126 Phase II 451 Stage VI/590/1050 9.82/135 Phase III 383 906/Victor-Pump gas 11.30/119 "For by grace you have been saved through faith. And this is not your own doing; it is the gift of God,"

Re: DoctorDiff's rear disc kit [Re: clovis] #783715 05/05/11 10:39 PM 05/05/11 10:39 PM
Joined: Mar 2008 Posts: 553 Kentucky clovis mopar
clovis mopar Joined: Mar 2008 Posts: 553 Kentucky	one more 6619528-7651.JPG (278 downloads) '75 Plymouth Duster Phase I 451 906/590/2-660 10.75/126 Phase II 451 Stage VI/590/1050 9.82/135 Phase III 383 906/Victor-Pump gas 11.30/119 "For by grace you have been saved through faith. And this is not your own doing; it is the gift of God,"

Re: DoctorDiff's rear disc kit [Re: clovis] #783716 05/05/11 10:58 PM 05/05/11 10:58 PM
Joined: Aug 2005 Posts: 761 KY J juicedcuda super stock
juicedcuda super stock J Joined: Aug 2005 Posts: 761 KY	What is the weight savings over the big Dana drums? I don't know what they weigh. 1970 Plymouth 'Cuda 1970 Plum Crazy "Gold Duster" 1973 Gold Duster

Re: DoctorDiff's rear disc kit [Re: clovis] #783717 05/05/11 11:33 PM 05/05/11 11:33 PM
Joined: Oct 2006 Posts: 387 Montreal PQ, Canada 74_360_Cuda enthusiast
74_360_Cuda enthusiast Joined: Oct 2006 Posts: 387 Montreal PQ, Canada	Quote: You can get the calipers in a 2 3/8 piston, instead of the normal 2 1/2, which with the small 10.5 rotors makes the bias work out good. Do you have stock front end? Booster?

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