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abed
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Joined: November 06, 2005
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John M.
Samba Member
Joined: July 22, 2005
Posts: 3833
Location: Boulder, CO
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 Posted: Sat May 05, 2007 10:07 pm Post subject: |
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Proportioning valve or a line lock maybe?
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Current: 1972 Beetle - 96V EV
Previous:
1966 Beetle - Sea Blue - 1300SP
1966 Beetle - Sea Blue - 1600SP
1974 Beetle - African Red - 1914CC
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67texan
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Joined: December 24, 2006
Posts: 101
Location: Dallas, TX
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| Posted: Sat May 05, 2007 10:44 pm Post subject: |
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| I'd hate to check the fluid level in one of those. |
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abed
Samba Member
Joined: November 06, 2005
Posts: 9
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| Posted: Sat May 05, 2007 11:00 pm Post subject: |
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I have never seen this before, is it an upgrade for the breaks? It is dual circuit MC so what is it for?
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67texan
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Joined: December 24, 2006
Posts: 101
Location: Dallas, TX
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| Posted: Sat May 05, 2007 11:07 pm Post subject: |
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That's only a reservoir for a dual circuit master cylinder. Up to '66, Beetles only had single circuit brake systems. If you lost one wheel cylinder, you essentially lost your whole brake system. In '67 they upgraded to a dual circuit system (front brakes are one circuit, rear are the other), so that if something went wrong on one end, the other end could get you stopped.
You can upgrade an older bug to dual circuit, and this is just a reservoir that will mount on top of the mc to hold the fluid. |
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abed
Samba Member
Joined: November 06, 2005
Posts: 9
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| Posted: Sat May 05, 2007 11:14 pm Post subject: |
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I am not talking about the reservoir, the other polished part below left on the photo
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Looking for a 2004 vw sedan Ultima Edition |
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bugntjw
Rants Lurker
Joined: February 11, 2004
Posts: 698
Location: Purgatory
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| Posted: Sat May 05, 2007 11:26 pm Post subject: |
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It's got to be a line lock. Contact the person with the ad? Bet he knows.
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67texan
Samba Member
Joined: December 24, 2006
Posts: 101
Location: Dallas, TX
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| Posted: Sat May 05, 2007 11:45 pm Post subject: |
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| Ok - yeah, that's probably a line lock. Looks like some wires running to a solenoid there on the backside of it. |
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Hotrodvw
Samba Member
Joined: July 06, 2004
Posts: 6327
Location: Orygun
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| Posted: Mon May 07, 2007 7:20 am Post subject: |
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Little black thing is a proportioning valve, shiny thing is a line lock, blue thing is a residual valve.
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78x94 with IDA's....oober fun
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Gary
Person of Interest
Joined: November 01, 2002
Posts: 17069
Location: 127.0.0.1
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| Posted: Mon May 07, 2007 7:27 am Post subject: |
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This sentence from the ad just makes me chuckle:
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| Items are USED and must be completely cleaned before use for best results. |
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dog_jr911
Swamp Donkey Assistant
Joined: May 17, 2006
Posts: 2439
Location: 2.0.9
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| Posted: Tue May 08, 2007 1:18 pm Post subject: |
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its for doing sick burnouts. just hit a button on the dash, and it locks the front wheels.....
draggers use it. looks likt that one may be set up for the rears as well.
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ROCKIN a ESP LTD F2E |
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ivsamhell
Samba Member
Joined: June 12, 2006
Posts: 858
Location: hesperiaCA
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| Posted: Tue May 08, 2007 1:29 pm Post subject: |
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| 67texan wrote: |
| I'd hate to check the fluid level in one of those. |
pull the wheel, do routine maintenace maybe some cleaning while its off....if you've got a leak you'd know it. |
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krlang
Samba Member
Joined: October 16, 2004
Posts: 228
Location: Commonwealth of Massachusetts
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| Posted: Wed May 09, 2007 10:28 am Post subject: |
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| Hotrodvw wrote: |
Little black thing is a proportioning valve, shiny thing is a line lock, blue thing is a residual valve. |
The black piece with the knob is a Wilwood brake proportioning valve.
It reduces the amout of fluid sent to the rear wheels
The blue part installed into it is a check valve
It slows return fliud to the MC
The part on the firewall is the line lock solenoid mounted into the line that tees into the two front brakes.
Burnout stuff!
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"Then I landed on the water, Just about my favorite thrill....." -JB |
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