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Hello AAJ or SSBC or what?
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1960 des
Posted 2016-07-14 7:38 PM (#516711)
Subject: Hello AAJ or SSBC or what?



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Hello AAJ or SSBC or what? Ok after having sought information concerning conversion from drums to disc brakes. Well the more I read the more puzzled I become. Previously, I was very confident that AAJ kit for my 57 300c cars would be the best choice, as a bolt on kit. However, I have received information that the braking AAJ's (front) would be inadequate, to such an extent that the front wheels had difficult or even impossible to lock up.
 In my case I want to use my Kelsey Hays unit for originality. Know that it is more like an assistant can not compare with modern monsters diagrapher.
 Something that made me particularly concerned about is the GM calipers used in the AAJ, are they too small? , not well adapted for the weight on my car?...
Well, I glanced against other kits Wilwood calipers and SSBC 4piston kit...
For brakes and safety I do not find that money can be a hindrance ....
 Please share your experiences, the choice of the master cylinder, etc.
Thanks Michael
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BigBlockMopar
Posted 2016-07-15 5:23 PM (#516783 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?



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I have yet to encounter someone who had a positive experience with SSBC kits.
From years of forum-reading I got the impression SSBC brakekits come with mismatched parts. I think they don't seem to bother or care about possible different brake-pedal ratio's in certain cars and models.
SSBC also uses generic (GM) parts.
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rebel
Posted 2016-07-15 9:25 PM (#516801 - in reply to #516783)
Subject: Re: Hello AAJ or SSBC or what?


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Michael,
If you try to go with disc brakes, you will run into major issues with clearance problems on the master cylinder.
I purchased the kit from AAJ for my 58 New Yorker wagon. After numerous tries to make tapered shims to tilt the M/C up to clear the back of the spark plug wire cover on the back of the hemi, I gave up. I had even tried milling/grinding most of the M/C casting to gain clearance with no success.
I have not seen anyone have success putting a dual chamber M/C on one of our cars with the 392 hemi, without getting away from the original booster.
I finally gave up and purchased all new components to put my system back to the original brakes, and that included using the previously posted asbestos linings.
Bob
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5wndwcpe
Posted 2016-07-17 11:59 AM (#516899 - in reply to #516783)
Subject: Re: Hello AAJ or SSBC or what?



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BigBlockMopar - 2016-07-15 5:23 PM

I have yet to encounter someone who had a positive experience with SSBC kits.
From years of forum-reading I got the impression SSBC brakekits come with mismatched parts. I think they don't seem to bother or care about possible different brake-pedal ratio's in certain cars and models.
SSBC also uses generic (GM) parts.


I have the SSBC kit on my '57 and have had no issues whatsoever. It bolted right up, can use the stock 14 " wheels and was a major improvement over the drums. My car is a manual set up and the only thing I did different was swap the supplied 7/8" bore master for a 15/16" bore for a higher/firmer pedal. Maybe my experience was an outlier or they changed their kit in recent years, but overall I'm happy with it.
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Powerflite
Posted 2016-07-17 7:29 PM (#516931 - in reply to #516801)
Subject: Re: Hello AAJ or SSBC or what?



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The SSBC and AAJ are practically the same thing. Both use 11" rotors and both will work with your original rims. Of these two, I prefer AAJ because you can just purchase the conversion and get the rest of the parts from other sources. These brakes work, but are a bit small for a large hemi car. The Scarebird kit uses 12" rotors with better calipers from a Dodge truck and stops better. But you must use 15" wheels with it. If you are planning to run 15" wire wheels anyway, this is a great way to go. I have put the Scrarebird kit on my '57 Chrysler & '58 DeSoto and am very pleased with it. The first pic is of them on my Desoto. I am also running the AAJ kit on my '56 Plymouth and it works OK as long as the car isn't fully loaded down.

The second pic is of the master cylinder that I am planning to run on my New Yorker. These masters are available on Ebay. This one clears everything but requires a remote reservoir. I am using a reservoir from Classic Performance Products that fits on the side of the booster. You can purchase this through Summit or directly from CPP. I am going to anodize it black first to make it look better. This makes filling the master much easier than otherwise with the stock booster. However, believe it or not, I am running the original master cylinder on my Desoto with disc brakes and it works fine. I was worried that it might cause the disc brakes to drag from a residual pressure valve, but that hasn't been a problem.

Edited by Powerflite 2016-07-17 7:50 PM




(Scarebird Disc Conversion.jpg)



(Truck Exhaust & BrakeMC.jpg)



(clp-rr2.jpg)



Attachments
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Attachments Scarebird Disc Conversion.jpg (141KB - 66 downloads)
Attachments Truck Exhaust & BrakeMC.jpg (128KB - 64 downloads)
Attachments clp-rr2.jpg (17KB - 68 downloads)
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Mopar1
Posted 2016-07-20 3:15 PM (#517194 - in reply to #516931)
Subject: Re: Hello AAJ or SSBC or what?



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I used '77 NYer spindles on my '60 Plym & a bolt on dual M/C from a later in the 60s Mopar. No P/B & it fit around the 331 I dropped in.
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1960 des
Posted 2016-07-23 4:10 AM (#517406 - in reply to #516899)
Subject: Re: Hello AAJ or SSBC or what?



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Howdy all thanks all for your input, is welcome!!!

Nathan , thanks for your information, with pictures, what I had hoped for!  I've ordered the cylinder . Where can I buy adaptor 4-2 bolts .. or is it homemade ? How are you doing with rod length, new adjustable rod or ? 

 I intend to try a Magnum Force kit with 4cylinder Wilwood calipers , thinking that four cylinders allows a larger friction surface on what a 2cylindrig can offer while keeping down the size and thus allowing down to 14inch wheels. Do you have any comments on this choice of kit? anything special I should consider ??

Thanks again

Michael

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BigBlockMopar
Posted 2016-07-23 4:59 AM (#517407 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?



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4-to-2 bolt adapters are available but you easily make your own by cutting of the mounting flange of an old/stock 4-bolt MC, grind it flush, drill 2 holes for thread and use it as an adapter.
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Powerflite
Posted 2016-07-25 10:49 AM (#517555 - in reply to #517407)
Subject: Re: Hello AAJ or SSBC or what?



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My adapter was made by Mopar Performance, and came from Summitracing.com. The inlet bore on it was very slightly too small. I had to use sand paper and widen it out a little to get it to fit. I also had to extend the original rod out to work well with the new master + adapter. I welded a large bolt to the end, cut off the head, ground down the threads and rounded the end to mate it with the master cylinder. The original rod is adjustable, but it doesn't have enough extension capability to work well without lengthening it.

One thing to keep in mind with this master cylinder is that it is made for a disc/disc setup and the front port is for the front brakes. So you will need a 10psi residual pressure valve in the line for the rear brakes if you have drums back there. You can get the tube nuts for it from Summit to make your lines with. I have never tried using Wilwood, but it sounds good in principle.
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71charger_fan
Posted 2016-12-05 11:13 PM (#527980 - in reply to #516801)
Subject: Re: Hello AAJ or SSBC or what?


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The offset master cylinder adapters for getting the master cylinder to clear the 426 Hemi in A bodies might be the ticket for getting the master cylinder to clear the 392.

Edited by 71charger_fan 2016-12-05 11:15 PM
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mstrug
Posted 2016-12-06 4:50 AM (#528000 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?



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My offset clears the poly which is wide than a hemi.

 photo 20160331_172044_zpsizwlicx9.jpg

 photo 20160331_172011_zpsyezkpgu8.jpg
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oldhippie
Posted 2016-12-08 5:14 PM (#528222 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?


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might want to look into these guys as well; i intened to use them when i get around to brakes...

http://www.ecihotrodbrakes.com/dodge_plymouth_discbrake_conversions...
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71charger_fan
Posted 2016-12-26 4:36 PM (#529794 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?


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I'm trying to decide which way to go on my '55 Plymouth Plaza Suburban. It's between Rustyhope/Olddaddy, Scarebird, and ECI. I have the 3-bolt spindles carried over from '54. With the Rustyhope kit, I've got to drill and tap my spindles and steering arms. Scarebird looks like it just bolts on. Prices are comparable. Very much up in the air as to which kit to buy. I've tried using the search function on this site, but it keeps erroring out.
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Powerflite
Posted 2016-12-26 5:53 PM (#529805 - in reply to #529794)
Subject: Re: Hello AAJ or SSBC or what?



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There are a lot more choices available now for the '55-'56 than when I did it. Before, AAJ was the only option so I chose them. Since these cars use 15" factory wheels, I would look for the kit that uses the largest rotor. A 12" rotor won't fit with your factory wheels, but you can make 15" muscle car aftermarket wheels look like factory '50's wheels pretty easily. But if they are all the same rotor size, I would probably pick the Scarebird or other kit that doesn't require cutting the spindles. The AAJ kit requires more than just drilling and tapping, it also requires that you remove quite a bit of material off of it to clear the rotors. It was a lot of work when I did it and I didn't like modifying my spindles that much. But afterward, they do work fine.
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hemidenis
Posted 2016-12-26 9:44 PM (#529820 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?



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that last link has a really good prices...
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71charger_fan
Posted 2016-12-30 10:09 PM (#530083 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?


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I spoke with AAJ today. I'm even more confused now. Not sure which way I'll go.
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Chopper John
Posted 2017-01-04 7:37 PM (#530442 - in reply to #528000)
Subject: Re: Hello AAJ or SSBC or what?



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What is the application of this master cylinder? Or its Master Cylinder ID number? Thanks.



(Master Cylinder.gif)



Attachments
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Attachments Master Cylinder.gif (238KB - 47 downloads)
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Powerflite
Posted 2017-01-04 7:49 PM (#530446 - in reply to #530442)
Subject: Re: Hello AAJ or SSBC or what?



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That goes to a '73-'76 Dart. There are 2 bore sizes. 15/16" was used with power brakes and 1.032" was used with manual brakes. Personally, I like the 1.032" version better and I recommend that you don't purchase them new. Get a rebuilt one instead. I have had a lot of trouble with the new ones. Poor quality.
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mstrug
Posted 2017-01-04 8:11 PM (#530447 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?



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http://www.rockauto.com/en/moreinfo.php?pk=309121&cc=1088603&jsn=47...

Professional Grade; New; Bore Size=1-1/32"

Professional Grade NEW Master Cylinders give technicians a NEW part that fits each application as well as the original. Delivers everything you need to get the job done; lessens installation time and ensures fewer comebacks.

Features:

Materials and Design Match OE: Vehicle specific designs (cast iron or aluminum); no stress on the brake booster mounting
Dependable Operation and Leak-free Performance: 100% pressure tested; meet SAE J1153 and J1154 requirements for reliability and performance
All New Parts: New castings, new pistons, new return springs and new components
No Assembly Required: Arrives complete and ready to bench bleed and install
Geometrically Toleranced: Body and plastic reservoir match center to center for a proper fit and leak-free operation
Bore Size and Finish Matches OE: Prevents fluid bypass, which can cause loss of hydraulic pressure; extended service life
New Piston Assembly and Return Spring: Prevents brake drag, which can overheat the caliper and rotor; increased pad life
EPDM and SBR Rubber Components: Meet SAE specs and are compatible with brake fluid; resist heat, corrosion and leakage
Hardened Zinc Dichromate Bleeder Screws: Trivalent coating; extra protection, added durability and longer service life
Reduced Warranty Claims: Passes SAE tests for proper function and leak-free operation at hot and cold temperatures

Material Type: Cast Iron
Number of Outlets: 2
Primary Outlet Size: 9/16"x20
Secondary Outlet Size: 1/2"x20
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Chopper John
Posted 2017-01-05 11:31 PM (#530572 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?



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Thanks. I hadn't realized the four-bolt mounting had been used as late as the mid-1970s.
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samdjr74
Posted 2017-03-29 9:10 AM (#536915 - in reply to #528222)
Subject: Re: Hello AAJ or SSBC or what?


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oldhippie - 2016-12-08 5:14 PM might want to look into these guys as well; i intened to use them when i get around to brakes... http://www.ecihotrodbrakes.com/dodge_plymouth_discbrake_conversions...

 

Have you gotten around to doing your brakes yet? I was looking at ECI as well, escpecially there master cylinder.

 

 

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Beltran
Posted 2017-03-29 7:07 PM (#536974 - in reply to #516711)
Subject: Re: Hello AAJ or SSBC or what?



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I used AAJ on my 55. She stops like a modern car. No issues. However! I went to a 9" Booster after trying a 7" and not having enough boost to stop the car like I wanted. http://www.forwardlook.net/forums/forums/thread-view.asp?tid=55600&...
Entire process is here.
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oldhippie
Posted 2017-03-30 10:25 AM (#537017 - in reply to #536915)
Subject: Re: Hello AAJ or SSBC or what?


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samdjr74 - 2017-03-29 9:10 AM

oldhippie - 2016-12-08 5:14 PM might want to look into these guys as well; i intened to use them when i get around to brakes... http://www.ecihotrodbrakes.com/dodge_plymouth_discbrake_conversions...

 

Have you gotten around to doing your brakes yet? I was looking at ECI as well, escpecially there master cylinder.



No, I don't have a garage to work in so I have to tarp it for the winter. Not sure when I'll get to it, progress is slow. Tarp should come off in the next few weeks though, I hope...



Edited by oldhippie 2017-03-30 10:27 AM
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