Disc brakes, master cyl - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Ron · 06-28-2003, 12:09 AM

Is this the right master for a 67 C-10 with a 71 C-10 disc set up? Or do I need the big/little resavoir type master? Got a part #? Thanks

jimfulco · 06-28-2003, 03:48 AM

I've seen both types used.

kaycee · 06-28-2003, 10:05 AM

My disc setup has the other master on it I belive these were for the drum setup only.I read a while back that someone was using this type on a disc setup and I don't know why it wouldn't work on either setup.But for a whopping $11.94 you can get a new 1 for disc brakes at Advance Auto and put the mystery to rest,Hope this helps GOOD LUCK

Longhorn Man · 06-29-2003, 12:54 AM

You should have the larger resivour type for discs.
The caliper uses the fluid for adjustment in all basic terms, so you will need quite a bit more in order to adjust them and maintain enough in the master to keep them working.
In all reality, there is a chance of sucking that thing dry when the pads get worn.

jimfulco · 06-29-2003, 02:24 AM

I was under the impression that the different master cylinders were made by different suppliers & they had to be compatible with that supplier's boosters. My 79 Sub has the 2-bail type, & my friend's 75 P/U has the other one. Both work fine.

Longhorn Man · 06-29-2003, 02:32 PM

one bail two bail doesn't matter...it is the size of the resivour I am refering to.

**PICKMUP** · 06-29-2003, 03:57 PM

There were two for DB. That looks like one of them. The overall size is much larger than the one for drum brakes. Is there a bigger chamber on one end under the cap?

06-28-2003, 12:09 AM	#1
Ron Registered User Join Date: Feb 2000 Location: Zillah Wa. USA Posts: 394	Disc brakes, master cyl Is this the right master for a 67 C-10 with a 71 C-10 disc set up? Or do I need the big/little resavoir type master? Got a part #? Thanks Attached Images __________________ '69 SWB '76 International "Terra" "Hooked on holiday beer"

06-28-2003, 10:05 AM	#3
kaycee Registered User Join Date: Jan 2000 Location: Wyoming USA Posts: 2,445	WELL NOW My disc setup has the other master on it I belive these were for the drum setup only.I read a while back that someone was using this type on a disc setup and I don't know why it wouldn't work on either setup.But for a whopping $11.94 you can get a new 1 for disc brakes at Advance Auto and put the mystery to rest,Hope this helps GOOD LUCK __________________ 2001 Silverado K-1500 2005 FXDWG stage3 69 CHEVY Short/Step 327/4L60 373 posi 63 IMPALA 327

06-29-2003, 03:57 PM	#7
PICKMUP "Trucks with Class" Join Date: Jul 2000 Location: OLYMPIA, WA, USA Posts: 8,125	LOOKS RIGHT There were two for DB. That looks like one of them. The overall size is much larger than the one for drum brakes. Is there a bigger chamber on one end under the cap? __________________ Email: frankeham@comcast.net Phone: 360-956-7170

06-28-2003, 03:48 AM	#2
jimfulco Registered User Join Date: May 2003 Location: Shreveport LA Posts: 3,170	I've seen both types used.

06-29-2003, 12:54 AM	#4
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	You should have the larger resivour type for discs. The caliper uses the fluid for adjustment in all basic terms, so you will need quite a bit more in order to adjust them and maintain enough in the master to keep them working. In all reality, there is a chance of sucking that thing dry when the pads get worn.

06-29-2003, 02:24 AM	#5
jimfulco Registered User Join Date: May 2003 Location: Shreveport LA Posts: 3,170	I was under the impression that the different master cylinders were made by different suppliers & they had to be compatible with that supplier's boosters. My 79 Sub has the 2-bail type, & my friend's 75 P/U has the other one. Both work fine.

06-29-2003, 02:32 PM	#6
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	one bail two bail doesn't matter...it is the size of the resivour I am refering to.



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