Disc Brake Conversion: Master Cylinder Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**KyleSeal** · 07-20-2016, 10:10 PM

Planning on putting a set of CPP 2.5" drop spindle disc brakes on my '70 C10 soon, and I know I need a Proportioning Valve, but as far as the MC I've hit a wall.

I cannot seem to find a manual brake disc/drum (keeping rear drum) master cylinder. I see there's one on CPP for a 71-72, will this one fit my C10? I'd imagine so, but there's a lot of things I assumed on this truck and came up wrong.

Also, how do I remove the parking brake line from the rear drum backing plate? Mines frozen and needs to be replaced.

**KyleSeal** · 07-20-2016, 10:14 PM

Also - are there any vendors who may be able to get me a good deal on the disc kit? The one I've currently got my eye on is 599.00 and looking to save wherever.

Z10 · 07-20-2016, 10:17 PM

I was using an 81 corvette master on mine, worked fine. I will tell you I had nothing but problems with CPP's master cylinder and boosters. After 2 masters and 3 boosters I gave up. I am now using a Wildwood set up and love it.

Search CPP in this forum and you will find many issues with products and customer service. (Now I can sleep tonight by sharing) lol

**KyleSeal** · 07-20-2016, 10:23 PM

Quote:

Originally Posted by Z10

I was using an 81 corvette master on mine, worked fine. I will tell you I had nothing but problems with CPP's master cylinder and boosters. After 2 masters and 3 boosters I gave up. I am now using a Wildwood set up and love it.

Search CPP in this forum and you will find many issues with products and customer service. (Now I can sleep tonight by sharing) lol

Thats too bad. Any good inexpensive disc swap kits? I mainly liked this kit because it accepts stock ball joint and TRE and is rather inexpensive.

Z10 · 07-21-2016, 09:02 PM

Quote:

Originally Posted by KyleSeal

Thats too bad. Any good inexpensive disc swap kits? I mainly liked this kit because it accepts stock ball joint and TRE and is rather inexpensive.

Check with Travis at Pro Performance. He's a vendor on this site.

**Dustmaker65** · 07-20-2016, 10:47 PM

Call Stan at ECE... he will set you up with what you need and very reasonable!

07-20-2016, 10:10 PM	#1
KyleSeal Senior Member Join Date: Mar 2014 Location: Toano, VA Posts: 893	Disc Brake Conversion: Master Cylinder Question Planning on putting a set of CPP 2.5" drop spindle disc brakes on my '70 C10 soon, and I know I need a Proportioning Valve, but as far as the MC I've hit a wall. I cannot seem to find a manual brake disc/drum (keeping rear drum) master cylinder. I see there's one on CPP for a 71-72, will this one fit my C10? I'd imagine so, but there's a lot of things I assumed on this truck and came up wrong. Also, how do I remove the parking brake line from the rear drum backing plate? Mines frozen and needs to be replaced. __________________ "Sometimes I do serve as a good bad example. Glad to be of service." My Build Thread (1967 C10, lowered, EFI, daily truck): http://67-72chevytrucks.com/vboard/s...d.php?t=830809

07-20-2016, 10:14 PM	#2
KyleSeal Senior Member Join Date: Mar 2014 Location: Toano, VA Posts: 893	Re: Disc Brake Conversion: Master Cylinder Question Also - are there any vendors who may be able to get me a good deal on the disc kit? The one I've currently got my eye on is 599.00 and looking to save wherever. __________________ "Sometimes I do serve as a good bad example. Glad to be of service." My Build Thread (1967 C10, lowered, EFI, daily truck): http://67-72chevytrucks.com/vboard/s...d.php?t=830809

07-20-2016, 10:17 PM	#3
Z10 Registered User Join Date: Aug 2012 Location: Midland, TX Posts: 1,267	Re: Disc Brake Conversion: Master Cylinder Question I was using an 81 corvette master on mine, worked fine. I will tell you I had nothing but problems with CPP's master cylinder and boosters. After 2 masters and 3 boosters I gave up. I am now using a Wildwood set up and love it. Search CPP in this forum and you will find many issues with products and customer service. (Now I can sleep tonight by sharing) lol __________________ 1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i

07-20-2016, 10:47 PM	#6
Dustmaker65 Senior Member Join Date: Jan 2015 Location: Marquette Heights, IL. Posts: 1,135	Re: Disc Brake Conversion: Master Cylinder Question Call Stan at ECE... he will set you up with what you need and very reasonable! __________________ Jimmy Hoelzel

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