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#1 |
Noobie McNoobster
Join Date: Nov 2006
Location: SoAZ
Posts: 68
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Master to Prop valve lines
Anyone know what size the lines are supposed to be that go between the master cylinder and proportioning valve? Truck in question is a 1968 with 1972 brakes. Here is what I have now, the drum side seems to be bigger than the disk side.
![]() Here is a pic of what I have now.
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The Stable: 1968 Chevy K20 w/tilt, working AM/FM, AC and 350/350/205 w/Disk Brakes ![]() 1990 Chevy V2500 Suburban 2005 Kawi KLR650 1983 Honda Goldwing GL1100 Standard (Naked) 1995 Miata M Fortes Fortuna adiuvat |
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#2 |
Registered User
Join Date: Dec 2004
Location: NW, WA.
Posts: 1,421
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Re: Master to Prop valve lines
Thats the way they are, drums need high volume/low pressure (large size lines) and the disk side needs low volume/high pressure (small lines)
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#3 |
Noobie McNoobster
Join Date: Nov 2006
Location: SoAZ
Posts: 68
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Re: Master to Prop valve lines
Thanks, that was what I thinking, I am getting ready to rebuild all the brakes in the truck (Master Cyl, WHeel Cyl, Calipers, soft line and etc) and just wanted to see if I should look at replacing the hard lines as well.
__________________
The Stable: 1968 Chevy K20 w/tilt, working AM/FM, AC and 350/350/205 w/Disk Brakes ![]() 1990 Chevy V2500 Suburban 2005 Kawi KLR650 1983 Honda Goldwing GL1100 Standard (Naked) 1995 Miata M Fortes Fortuna adiuvat |
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#4 |
Licensed to Thrill!
Join Date: Apr 2006
Location: Northwest, GA
Posts: 1,673
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Re: Master to Prop valve lines
Just a question - I knew this before doing my setup - but went ahead with the all 3/16" line to the prop valve anyhow.
Is this going to matter? My line to the prop valve is longer than most...(from there on it is 1/4" just like normal). My prop valve is on the frame, so I have a little more line there. I don't know if it is going to hurt anything, but just wondering if anyone might know for sure. DLB |
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