Rear disc kit & front rotor's score!!!!!!!!!!!!! - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mod58 · 02-02-2010, 09:12 PM

Bought this SSBC rear disc kit with about 400 miles in it and a brand new set of cross drilled front rotor's for $200.00 on Saturday!!!!!!!!!!!

pcmcobra · 02-02-2010, 10:11 PM

give you $201.00

mod58 · 02-02-2010, 10:16 PM

$201.50!!!!!!!!!!!!!!!!!!!!!!!!!!!!

gchemist · 02-02-2010, 10:36 PM

$250.01

bigarmzz · 02-02-2010, 11:16 PM

why is it everyone always finds these deals but me?

STOCKISH · 02-02-2010, 11:39 PM

Hope your truck's a 3/4 or 1 ton. 1 too many lug holes for a 1/2 ton.

*SMiller* · 02-03-2010, 12:02 AM

Last time I checked 3\4 and 1tons were 8-lug, I think he will be ok with a K10...

Hoods69BadBowTie · 02-03-2010, 12:34 AM

Hey damn nice score for sure

mod58 · 02-03-2010, 07:30 PM

Yea,there going on a k10 6 lugger!!!!!!

dan76 · 02-03-2010, 07:41 PM

Will you have to change the proportioning valve to run rear discs? I've read both yea/nea on this.

mod58 · 02-03-2010, 09:13 PM

The guy I bought it from did change it,He said he had problems bleeding the brakes and bought one from Jegs,I also got the proportioning valve to,But I was going to put an ajustable one in the rear insted of changing the one in the front because it's alittle hard to get to!!!!!I have to do some research to see which one is best.

raveer2000 · 02-03-2010, 10:46 PM

You will also need a new master cylinder. The old master cylinder has a residual pressure check valve built into it. If you leave the old master cylinder on there will be approx 10 to 15 PSI left in the brakes to the rear. Normally on drums this keeps the wheel cylinders from leaking. But on a disc setup this small amount of pressure will cause the caliper to drag and overheat and wear the pads rapidly. Many people don't change this when converting to 4 discs and don't understand why the rears keep wearing out so quick.

andrewmp6 · 02-04-2010, 05:02 AM

And good luck with the parking brake on them.

mod58 · 02-04-2010, 08:50 AM

From What year truck will I need a master cylinder from?

STOCKISH · 02-04-2010, 08:59 AM

Quote:

Originally Posted by SMiller

Last time I checked 3\4 and 1tons were 8-lug, I think he will be ok with a K10...

Woops, I'm a big dummy. Guess I need to learn how to count again.

chevyrestoguy · 02-04-2010, 10:29 AM

Quote:

You will also need a new master cylinder. The old master cylinder has a residual pressure check valve built into it. If you leave the old master cylinder on there will be approx 10 to 15 PSI left in the brakes to the rear. Normally on drums this keeps the wheel cylinders from leaking. But on a disc setup this small amount of pressure will cause the caliper to drag and overheat and wear the pads rapidly. Many people don't change this when converting to 4 discs and don't understand why the rears keep wearing out so quick.

Very True. Excellent post. Also, if the rear kit uses a Cadillac caliper, you MUST make sure that you run the rear E-brake set-up and set the initial rotor-to-pad air gap per the factory specs. After that, the gap is set by the usage of the E-brake. If you don't use the E-brake, then the air gap will increase as the pads wear down, and you'll start getting a long pedal. Lots of good info on this subject on this website. The Search feature is your friend on this swap.

Update: I just noticed that you got the SSBC rear calipers. Not sure if they require the E-brake like the Caddy calipers do. For $200, you got a killer deal!

raveer2000 · 02-04-2010, 06:48 PM

Quote:

Originally Posted by chevyrestoguy

Very True. Excellent post. Also, if the rear kit uses a Cadillac caliper, you MUST make sure that you run the rear E-brake set-up and set the initial rotor-to-pad air gap per the factory specs. After that, the gap is set by the usage of the E-brake. If you don't use the E-brake, then the air gap will increase as the pads wear down, and you'll start getting a long pedal. Lots of good info on this subject on this website. The Search feature is your friend on this swap.

Update: I just noticed that you got the SSBC rear calipers. Not sure if they require the E-brake like the Caddy calipers do. For $200, you got a killer deal!

Thanks. Thats good info about the E brake. Some early Chevrolet vehicles have an external residual pressure valve that screws into the master cylinder and the line hooks into it. Later models have this valve internally. With that said the external kind you can drill out the valve and reuse otherwise you must get a new one.

mod58 · 02-04-2010, 09:36 PM

Hey raveer2000,Thanks a bunch for the info!!Any idea what model and or year chevrolet's have this external residual pressure valve that screws into the master cylinder????Thanks!!!!!!!!!!

02-02-2010, 09:12 PM	#1
mod58 Registered User Join Date: Nov 2007 Location: Hammonton,NJ Posts: 152	Rear disc kit & front rotor's score!!!!!!!!!!!!! Bought this SSBC rear disc kit with about 400 miles in it and a brand new set of cross drilled front rotor's for $200.00 on Saturday!!!!!!!!!!! Attached Images

02-02-2010, 10:11 PM	#2
pcmcobra Registered User Join Date: Aug 2006 Location: Florida Posts: 1,684	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! give you $201.00 __________________ 1986 C10 SWB 6.0/6l90e Miami...Flee it like a native

02-02-2010, 10:16 PM	#3
mod58 Registered User Join Date: Nov 2007 Location: Hammonton,NJ Posts: 152	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! $201.50!!!!!!!!!!!!!!!!!!!!!!!!!!!!

02-02-2010, 10:36 PM	#4
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! $250.01 __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos

02-02-2010, 11:16 PM	#5
bigarmzz Registered User Join Date: Sep 2004 Location: Elkins, West Virginia Posts: 2,542	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! why is it everyone always finds these deals but me? __________________ 1987 350 TBI lowered 5/7

02-02-2010, 11:39 PM	#6
STOCKISH Formerly- 1972SuperCheyenne Join Date: Oct 2008 Location: Wake Forest NC Posts: 5,782	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! Hope your truck's a 3/4 or 1 ton. 1 too many lug holes for a 1/2 ton. __________________ --Josh My Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=799218 A good crossthread is better than Loctite any day. Life is not about what you have, but who you have to share it with.

02-03-2010, 12:02 AM	#7
SMiller Account Suspended Join Date: Jun 2009 Location: Tipton IN Posts: 81	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! Last time I checked 3\4 and 1tons were 8-lug, I think he will be ok with a K10...

02-03-2010, 12:34 AM	#8
Hoods69BadBowTie Chevys Kick A$$ Join Date: Jan 2005 Location: Zootown, MT Posts: 12,699	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! Hey damn nice score for sure __________________ HOODS is what I answer too -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER I would rather push a Chevy then drive a ford!!

02-03-2010, 07:30 PM	#9
mod58 Registered User Join Date: Nov 2007 Location: Hammonton,NJ Posts: 152	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! Yea,there going on a k10 6 lugger!!!!!! Last edited by mod58; 02-03-2010 at 07:32 PM.

02-03-2010, 07:41 PM	#10
dan76 Registered User Join Date: Mar 2008 Location: Salt Lake City UT Posts: 441	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! Will you have to change the proportioning valve to run rear discs? I've read both yea/nea on this.

02-03-2010, 09:13 PM	#11
mod58 Registered User Join Date: Nov 2007 Location: Hammonton,NJ Posts: 152	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! The guy I bought it from did change it,He said he had problems bleeding the brakes and bought one from Jegs,I also got the proportioning valve to,But I was going to put an ajustable one in the rear insted of changing the one in the front because it's alittle hard to get to!!!!!I have to do some research to see which one is best. Last edited by mod58; 02-03-2010 at 09:14 PM.

02-03-2010, 10:46 PM	#12
raveer2000 Registered User Join Date: Dec 2009 Location: South MS Posts: 90	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! You will also need a new master cylinder. The old master cylinder has a residual pressure check valve built into it. If you leave the old master cylinder on there will be approx 10 to 15 PSI left in the brakes to the rear. Normally on drums this keeps the wheel cylinders from leaking. But on a disc setup this small amount of pressure will cause the caliper to drag and overheat and wear the pads rapidly. Many people don't change this when converting to 4 discs and don't understand why the rears keep wearing out so quick. __________________ 1972 K5 CST. Work in progress. 408CI 1980 K10

02-04-2010, 05:02 AM	#13
andrewmp6 Registered User Join Date: Jan 2009 Location: Louisville,Ky Posts: 5,811	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! And good luck with the parking brake on them.

02-04-2010, 08:50 AM	#14
mod58 Registered User Join Date: Nov 2007 Location: Hammonton,NJ Posts: 152	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! From What year truck will I need a master cylinder from?

02-04-2010, 09:36 PM	#18
mod58 Registered User Join Date: Nov 2007 Location: Hammonton,NJ Posts: 152	Re: Rear disc kit & front rotor's score!!!!!!!!!!!!! Hey raveer2000,Thanks a bunch for the info!!Any idea what model and or year chevrolet's have this external residual pressure valve that screws into the master cylinder????Thanks!!!!!!!!!!



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