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Old 06-18-2006, 11:16 AM   #1
Nima
Blue 67
 
Join Date: Apr 2004
Location: Western WA
Posts: 1,179
MC for 4 disc brakes

Hello all:
Happy fathers days to all fathers out there.
If I go with 4 disc brake what kind of master cylinder should I use? Any year model of trucks? How about the power booster? I know I need 4 disc brake proportioning valve.
Thanks.
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1953 GMC 3/4 ton: current project
1967 C20: 5.3 voretc with T5 conversion, 4 wheel 8 lug disc brake
1972 Nova: my 4 door sport sedan! 5.3 voretc + T5 conversion. drivable project, FUN!!
1979 Camaro Z28: 5.3 vortec conversion with build TH350: drivable project, Fun to drive
1992 Camaro RS convertible (Z28 clone): 5.3 conversion with build T5: on going project
2005 Silverado 2500, 4x4 Duramax, original owner
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Old 06-18-2006, 11:31 AM   #2
BobbyK
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Re: MC for 4 disc brakes

Some have used the factory M/C with good results.
I put on one from a 78 Corvette,Corvette had 4 wheel disc's
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Old 06-18-2006, 11:49 AM   #3
Nima
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Re: MC for 4 disc brakes

BobbyK, Do you know if they are a bolt on on my67 style booster? And also I have 3/4 ton truck, does that matter in the size of MC?
Thanks.
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1953 GMC 3/4 ton: current project
1967 C20: 5.3 voretc with T5 conversion, 4 wheel 8 lug disc brake
1972 Nova: my 4 door sport sedan! 5.3 voretc + T5 conversion. drivable project, FUN!!
1979 Camaro Z28: 5.3 vortec conversion with build TH350: drivable project, Fun to drive
1992 Camaro RS convertible (Z28 clone): 5.3 conversion with build T5: on going project
2005 Silverado 2500, 4x4 Duramax, original owner
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Old 06-18-2006, 12:12 PM   #4
cornutz
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Re: MC for 4 disc brakes

I recently did this...four wheel disc

I went from a 3/4 ton burb to 1/2 ton and used all stock lines out of the master cylinder but put a manual prop valve for the rears right out of the stock prop valve...

The guys at ECE told me that this would be best.

Bill
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Old 06-18-2006, 01:07 PM   #5
timamin
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Re: MC for 4 disc brakes

is there a 4 wheel disc set for 8 lug?
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'72 custom 20
Current mods
race built chevy 400 engine. over carbed =/
Powder coated bumpers
Progressive Wheels
Future mods
single windows.
alum. fuel cell under bed, sidemarker fuel cap mod.
All white and yellow interior.
leather bucket seats.
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Old 06-18-2006, 04:05 PM   #6
Nima
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Re: MC for 4 disc brakes

Yes, I bougt a set for the front from Brothers which is late 70 early 80 parts and then Black bird has set for the rear which I am thinking about. At this point I am just investigating the different parts specially MC which I am not clear about it.
__________________
1953 GMC 3/4 ton: current project
1967 C20: 5.3 voretc with T5 conversion, 4 wheel 8 lug disc brake
1972 Nova: my 4 door sport sedan! 5.3 voretc + T5 conversion. drivable project, FUN!!
1979 Camaro Z28: 5.3 vortec conversion with build TH350: drivable project, Fun to drive
1992 Camaro RS convertible (Z28 clone): 5.3 conversion with build T5: on going project
2005 Silverado 2500, 4x4 Duramax, original owner
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Old 06-18-2006, 05:28 PM   #7
timamin
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Re: MC for 4 disc brakes

let me know where and if u get any 8 lug disc conversion kit for the rear. I have a '72 c20 and I want to keep my mag 8 lug wheels and I want disc brakes all around.
__________________
'72 custom 20
Current mods
race built chevy 400 engine. over carbed =/
Powder coated bumpers
Progressive Wheels
Future mods
single windows.
alum. fuel cell under bed, sidemarker fuel cap mod.
All white and yellow interior.
leather bucket seats.
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Old 06-18-2006, 09:35 PM   #8
Misled
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Location: Nashport, OH
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Re: MC for 4 disc brakes

Here ya go......

One of the members (Rainfade) here has a good write-up.....
http://www.off-road.com/chevy/reviews/tsm/

There's also one at....
http://www.off-road.com/chevy/reviews/tsm/

I have done the axle part as Rainfade said.....hope to get the rest done someday!!!

Misled
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Old 06-18-2006, 11:47 PM   #9
wibilly
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Re: MC for 4 disc brakes

i used the 14 bolt brackets and spacers on my eaton from off road designs,[ i think thats where i got them $61 ] 4wd front roters 76 eldorodo calipers and parking break cable. you could acualy modify front caliper brackets and weld them on if you are carful with your alignment i haventgot the rest of the truck done to know what i will need to do wit the proportioning valve yet. from what i've been told you just have to try it, some work as is some don't. as far as mc most people i talked to use the origanil but i like the idea of the corvette unit because the resivoirs are sized for the larger volume of fluid required for the calipers as the break pads wear
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Last edited by wibilly; 06-18-2006 at 11:53 PM.
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