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02-09-2019, 11:11 PM
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#1 |
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Registered User
Join Date: Oct 2018
Location: Sioux center, IA
Posts: 81
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Proportioning valve placement
Hey I'm just checking to see where everybody is placing their proportioning valve on a C10 pickup with disc front drum back brakes I'm looking for some ideas any input would be much appreciated
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02-10-2019, 01:49 AM
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#2 |
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Registered User
Join Date: Sep 2010
Location: Lake Tahoe, Nevada
Posts: 755
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Re: Proportioning valve placement
The original mounting should be a bracket attached to the booster, right next to the master cylinder.
My truck is almost 100% original, but it's not the best pic because I took this a few days ago, focused on the valve itself, not the mounting. But those are all original brake lines.
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I know a little about cars, but if you have a question about electricity or sport quads, I'm your man!!! |
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02-10-2019, 02:40 AM
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#3 |
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Senior Member
 
Join Date: Aug 2004
Location: Centennial, CO
Posts: 2,988
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Re: Proportioning valve placement
I’ve considered mounting mine to the frame just below the master.
Really, it can go just about anywhere
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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02-10-2019, 10:37 AM
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#4 |
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Moderator
 
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,204
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Re: Proportioning valve placement
As an FYI...
If the original truck was a drum/drum system, the original valve block near the master cylinder is not a proportioning valve...its a simple brake circuit valve to alert of a hydraulic circuit leak. Most proportioning valves are located close to the master, mainly to keep the pipe layout simpler. Most square body trucks have their prop valves located on the front chassis cross member...making it difficult to access for us old guys! Have fun ! 
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Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox 
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02-10-2019, 10:56 AM
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#5 |
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Registered User
Join Date: Oct 2018
Location: Sioux center, IA
Posts: 81
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Re: Proportioning valve placement
Hey really appreciate the feedback to clarify things I have a 67 C10 I changed the front disc drum in the back will wear of metering block the proportioning valve difference.
Was just wondering if placing the proportioning valve in a different spot would make it easier to Plum the front brakes since each caliper gets a line to itself whereas the back gets one line to the T & T's off. Just trying to see if anybody had any need ideas out there if placement for ease of rePlumbing the lines. Once again thanks for the feedback guys appreciate it |
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02-10-2019, 11:03 AM
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#6 |
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Registered User
Join Date: Oct 2018
Location: Sioux center, IA
Posts: 81
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Re: Proportioning valve placement
Ha...yah hear ya Aussiein NC. It was a lot easier crawling around these things when I was 18.
How long have you been playing with electricity wilkin250r? Ive been from '89. |
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02-10-2019, 11:04 AM
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#7 | |
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Moderator
Join Date: Jun 2017
Location: Cherryville, NC
Posts: 2,204
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Re: Proportioning valve placement
Quote:
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Family and country before all others... 2006 Chevy Silverado (Daily Driver) 2012 Chevy Equinox
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02-10-2019, 01:15 PM
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#8 |
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Registered User
Join Date: Apr 2010
Location: So Cal
Posts: 1,466
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Re: Proportioning valve placement
Use the '73-up brake lines and under the radiator mounting location for the Combination Valve. It's a bolt-up conversion with salvaged hard lines and direct replacement square body flex lines.
http://67-72chevytrucks.com/vboard/s...es#post6686402 
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'67 GMC 2500, 292, 4spd, AC |
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02-10-2019, 04:41 PM
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#9 |
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Registered User
Join Date: Oct 2009
Location: port robinson ontario canada
Posts: 400
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Re: Proportioning valve placement
Just did this on the last truck , down on the frame. Didn't make anything easier ,I just didn't need to see it.
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02-12-2019, 12:20 PM
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#10 |
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Registered User
Join Date: Oct 2018
Location: Sioux center, IA
Posts: 81
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Re: Proportioning valve placement
Wow love how cleaned up that engine compartment looks that's an interesting spot for the proportioning valve does look better nice work
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02-12-2019, 03:42 PM
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#11 | |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: Proportioning valve placement
Quote:
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68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs 67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive 58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white 69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive |
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02-12-2019, 04:32 PM
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#12 |
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Registered User
Join Date: Aug 2009
Location: St. Paul MN.
Posts: 1,996
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Re: Proportioning valve placement
stock look on mine
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Fuzzy |
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02-12-2019, 08:32 PM
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#13 |
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Registered User
Join Date: Apr 2015
Location: East Tn (In the heart of the Smoky Mtns)
Posts: 1,887
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Re: Proportioning valve placement
Sub’d
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02-13-2019, 03:20 PM
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#14 |
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Senior Member
 
Join Date: Oct 2015
Location: Brownsburg, IN
Posts: 1,103
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Re: Proportioning valve placement
Went with the stock look and set up on mine. Wasn't real sure if the original proportioning valve was good, took awhile to bleed system but brakes work well now. I didn't have the tool that service manual said was necessary to hold prop valve open during bleeding process, but they bled ok, nice firm brake pedal.
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1972 Blazer Highlander 1971 GMC K1500 SWB (sold) 2004 Corvette Z06 CE |
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