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#1069897 - 03/15/21 10:51 AM Disc Brakes  
Joined: Aug 2016
Posts: 124
Wilson Offline
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Wilson  Offline
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Joined: Aug 2016
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Brighton il
Currently building a 9" and researching disc brake setups. What are the do's and don't setups? I have read about caliper to frame issues. What are the go to brands and stay away from. I haven't bought a housing just yet. Going to be purchasing in next few months thanks.


1987 Monte Carlo SS. 355 SBC 2004R non lock up PTC converter
UMI front and rear control arms. Strange 9 Inch, 31 Spline Axles, 3.89 TruTrac.
#1069923 - 03/16/21 02:24 AM Re: Disc Brakes [Re: Wilson]  
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200kSS Offline
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200kSS  Offline
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Bloomsdale, MO
I've been warned to stay far away from the cheap kits that have the parking brake included in the caliper. I prefer the drum style parking brake inside the rotor hat.


88 SS Black/Oxblood. Power Tour car
80 Malibu 2dr. Drag Week car
#1069934 - 03/16/21 10:50 PM Re: Disc Brakes [Re: Wilson]  
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Posts: 124
Wilson Offline
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Wilson  Offline
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Posts: 124
Brighton il
So looking at kits. GM metric calipers vs the explorer brakes. Which is the preference?


1987 Monte Carlo SS. 355 SBC 2004R non lock up PTC converter
UMI front and rear control arms. Strange 9 Inch, 31 Spline Axles, 3.89 TruTrac.
#1069935 - 03/16/21 11:49 PM Re: Disc Brakes [Re: Wilson]  
Joined: Jul 2000
Posts: 2,739
200kSS Offline
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200kSS  Offline
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Joined: Jul 2000
Posts: 2,739
Bloomsdale, MO
Explorer brakes IMO.


88 SS Black/Oxblood. Power Tour car
80 Malibu 2dr. Drag Week car
#1069949 - 03/17/21 06:30 PM Re: Disc Brakes [Re: Wilson]  
Joined: Mar 2000
Posts: 5,652
upflying Offline
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upflying  Offline
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Reno, NV
No problem with my 9" swap with explorer brakes. Just the caliper/frame issues, fixed by clocking the calipers on the backing plate down and away from the frame.
If I did it again, I'd go with drums.

Last edited by upflying; 03/17/21 06:32 PM.

86 MCSS Notchback coupe, LS3, 4L65E, QP 9", Eaton Truetrac, 4 wheel disc, column shift, Dakota Digital, silver with maroon bench interior

#1069951 - 03/17/21 10:36 PM Re: Disc Brakes [Re: Wilson]  
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Posts: 124
Wilson Offline
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Wilson  Offline
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Joined: Aug 2016
Posts: 124
Brighton il
That is my biggest concern is the fit of the caliper to the frame with the space that is given which isnt much.


1987 Monte Carlo SS. 355 SBC 2004R non lock up PTC converter
UMI front and rear control arms. Strange 9 Inch, 31 Spline Axles, 3.89 TruTrac.
#1069955 - 03/18/21 02:43 AM Re: Disc Brakes [Re: Wilson]  
Joined: May 2007
Posts: 1,641
MattsMonte Offline
10+ Year
MattsMonte  Offline
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Posts: 1,641
Johnston, Iowa
80% of brake stopping power is in the front discs. We spent the money on the front and upgraded to 12" ls1 brakes. On the rear we made a slight improvlement to the rear drum cylinders (Raybestos 37644 wheel cylinders, 7/8"), from 85 S10 2.8L pickup, plus new wheel cylinder clamps, new springs and holder pins along with new shoes.

Last edited by MattsMonte; 03/18/21 02:44 AM.

[Linked Image]

1988 MCSS T-Tops. Frame off restoration, 330HP 350 crate engine, 700R4 transmission.
#1069974 - 03/19/21 01:45 PM Re: Disc Brakes [Re: Wilson]  
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Posts: 124
Wilson Offline
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Wilson  Offline
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Joined: Aug 2016
Posts: 124
Brighton il
Hey there Upflying. How far did you have to clock the calipers?


1987 Monte Carlo SS. 355 SBC 2004R non lock up PTC converter
UMI front and rear control arms. Strange 9 Inch, 31 Spline Axles, 3.89 TruTrac.
#1070014 - 03/22/21 09:45 PM Re: Disc Brakes [Re: Wilson]  
Joined: Aug 2008
Posts: 153
aeroocoupe Offline
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aeroocoupe  Offline
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Posts: 153
Lindenhurst, NY
I did the explorer rear disc brakes. My car is lowered 2in. In the rear 1 1/2 in the front.The ebrake hit the frame rails. Hope that this helps you.
Rob

#1070042 - 03/23/21 08:51 PM Re: Disc Brakes [Re: Wilson]  
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Tunedss86 Offline
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Tunedss86  Offline
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Posts: 2,435
Eastern Virginia
Kore 3 makes a few kits for the Ford 9" using GM parts. Used to be you could buy just the brackets from them, maybe still can. Can use this & if you need parts you can get them from your local GM dealer.

http://www.kore3.com/products.php?cat=12

They still have just the brackets:
http://www.kore3.com/proddetail.php?prod=10350-01



Last edited by Tunedss86; 03/23/21 08:54 PM.
#1070907 - 06/01/21 12:30 AM Re: Disc Brakes [Re: Wilson]  
Joined: Aug 2016
Posts: 124
Wilson Offline
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Wilson  Offline
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Joined: Aug 2016
Posts: 124
Brighton il
Has anyone used Willwood rear disc brakes on their 9" build?


1987 Monte Carlo SS. 355 SBC 2004R non lock up PTC converter
UMI front and rear control arms. Strange 9 Inch, 31 Spline Axles, 3.89 TruTrac.
#1071039 - 06/12/21 01:29 AM Re: Disc Brakes [Re: Wilson]  
Joined: Nov 2010
Posts: 832
the_merv Offline
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the_merv  Offline
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Posts: 832
Northern, Florida
over 10 years ago when I built my SS I used LT1 Fbody Rear Disc Brakes, cleared 15" drag wheels perfectly. My front brakes are the C5 Z06 setup, and they work excellent. As mentioned above the front is where the stopping power is, rear isn't that much.


1984 MONTE CARLO SS 6spd
6.HO | LS6 INTAKE | CUSTOM CAM | BUILT T56 | CUSTOM 9" REAR | 3.89 GEARS
2002 EBM C5 Z06 | FREE MODS | BOLTONS WITH TUNE
#1071046 - 06/12/21 08:45 PM Re: Disc Brakes [Re: Wilson]  
Joined: Aug 2016
Posts: 124
Wilson Offline
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Wilson  Offline
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Joined: Aug 2016
Posts: 124
Brighton il
I have ordered a Strange Engineering 9 inch woth big Ford housing ends with 31 spline axles. It is transit now. I was going to do drum brakes but think the 11" are somewhat overkill. Hearing stories of clearance issues probably going with a wilwood setup.


1987 Monte Carlo SS. 355 SBC 2004R non lock up PTC converter
UMI front and rear control arms. Strange 9 Inch, 31 Spline Axles, 3.89 TruTrac.

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