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Correct M/C for disc/disc setup?

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Old Feb 27, 2007 | 06:51 AM
  #1  
Hotrodder's Avatar
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From: Norway
Car: 1934 Ford Roadster
Engine: 350 CSB
Transmission: T56
Correct M/C for disc/disc setup?

Will this Master cylinder work for a front- rear disc setup?

http://store.summitracing.com/partde...104460&FROM=MG
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Old Feb 27, 2007 | 10:50 AM
  #2  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Not according to Summit's application list.
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Old Feb 27, 2007 | 01:06 PM
  #3  
Hotrodder's Avatar
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From: Norway
Car: 1934 Ford Roadster
Engine: 350 CSB
Transmission: T56
I know that, but when I browse other car part stores, the M/C for third gen Camaro has the same stock numbers for both disc/disc and disc/drum setups, so my question is;: Do all Camaro M/C's function on both types of setup?
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Old Feb 27, 2007 | 01:07 PM
  #4  
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
The only difference between the disc rear and drum rear master cylinders is the pedal effort and travel. Either one will work.
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Old Feb 27, 2007 | 01:26 PM
  #5  
Hotrodder's Avatar
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From: Norway
Car: 1934 Ford Roadster
Engine: 350 CSB
Transmission: T56
That's what I thought, but I wanted to hear it from one of you guys to be sure.
Thank you for your reply!

By the way. Do you know if these M/C's have the same bolt pattern as the older "typical hot rod" cast Corvette master cylinders?
Like this:
http://store.summitracing.com/partde...9+&appfilter=1

Because if it does, it will be possible to conect the newer Camaro M/C to hot rod boosters like this one:
http://store.summitracing.com/partde...5&autoview=sku
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Old Feb 27, 2007 | 01:36 PM
  #6  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Even if the bolt pattern is the same, the fluid connections are metric on most thirdgen master cylinders.
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Old Mar 3, 2007 | 11:56 AM
  #7  
chinick's Avatar
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From: Panama, Rep. of Panama
Car: 1985 IROC-Z
Engine: 350 CID (exchanged from a Corvette)
Transmission: 5 speed (stock)
Axle/Gears: 3.73
Recently I was trying to get master cyl. and visited an on-line shop and noted that the kit number change with the type of rear brake system.
ACDELCO PN are different
ACDELCO Part # 18M313 {#18030555}
CYLINDER,BRK MAS DURASTOP; RR DRUM BRAKES-WITH POWER BRAKES; 24.0 & 31.75MM CYLINDER BORE
ACDELCO Part # 18M314 {#18030556}
CYLINDER,BRK MAS DURASTOP; RR DISC BRAKES-WITH POWER BRAKES; 25.4 & 36.0MM CYLINDER BORE
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Old Mar 7, 2007 | 01:53 AM
  #8  
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From: Tulsa, OK
Car: 1989 Formula WS6
Engine: L03 305 TBI
Transmission: T-5
Axle/Gears: 10 Bolt; 3.42 Posi
Originally Posted by Apeiron
The only difference between the disc rear and drum rear master cylinders is the pedal effort and travel. Either one will work.
What is the difference? I'm swapping a 9 bolt with 12" PBR discs into an '89 Formula with rear drum brakes. What differences can I expect to fin in pedal effort and travel?
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Old Mar 7, 2007 | 05:33 AM
  #9  
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Sean, if you currently have drum brakes, you have the correct M/C for the rear disc swap.

This from the mighty Aperion:

https://www.thirdgen.org/forums/susp...fferences.html
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Old Mar 7, 2007 | 06:04 AM
  #10  
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From: Tulsa, OK
Car: 1989 Formula WS6
Engine: L03 305 TBI
Transmission: T-5
Axle/Gears: 10 Bolt; 3.42 Posi
Originally Posted by JamesC
Sean, if you currently have drum brakes, you have the correct M/C for the rear disc swap.

This from the mighty Aperion:

https://www.thirdgen.org/forums/susp...fferences.html
So, if I'm reading that correctly, my current master cylinder will suffice; I'll just have a softer pedal, with less travel than I would with the MC for the front/rear disc combo? Would there be any problems swapping to the front/rear disc MC in the future? Is the brake booster different as well?
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