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doc hopper
Samba Member
Joined: December 08, 2006
Posts: 588
Location: California
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 Posted: Wed Sep 12, 2007 3:06 pm Post subject: Dual Circuit Master Cylinder: Why NOT a 67? |
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| I've read the technical articles for the conversion of an early bus to a dual circuit master cylinder using the 71 MC, but the one question I never found an answer to is: why not just install a 1967 dual circuit MC in my 1964 bus? Is there a mounting problem? Something I'm not considering?(since I don't have one of each in front of me for comparison). |
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VWAdam
Samba Member
Joined: February 14, 2002
Posts: 3351
Location: Birmingham, Alabama
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| Posted: Wed Sep 12, 2007 3:09 pm Post subject: |
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It's not so much a mounting problem as it is that the '67 master cylinders are crazy expensive
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'59 Euro Beetle ragtop
'63 Standard Microbus
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Looking for badge/sticker/frame from Western Motors in Great Falls, Montana |
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Culito
11010101
Joined: December 07, 2006
Posts: 5881
Location: Columbia Missourah
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| Posted: Wed Sep 12, 2007 6:44 pm Post subject: |
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Yep -- one year only part. Also the pushrod is also '67 only, I think.
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© CJ Industries, Inc.
'64 standard w/2.0L type 4
'62 bug
| johnnypan wrote: |
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Andrew
Samba Member
Joined: October 27, 2000
Posts: 5865
Location: Who in the what now?
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| Posted: Wed Sep 12, 2007 8:54 pm Post subject: |
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| Culito wrote: |
| Yep -- one year only part. Also the pushrod is also '67 only, I think. |
Yep, it is. It's longer than the earlier ones.
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ajitaw
Samba Member
Joined: February 18, 2006
Posts: 94
Location: Oahu
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| Posted: Thu Sep 13, 2007 3:35 am Post subject: |
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The 71's are newer. 
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doc hopper
Samba Member
Joined: December 08, 2006
Posts: 588
Location: California
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| Posted: Thu Sep 13, 2007 5:25 am Post subject: 67 Master Cylinder |
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| I found a source for the 67 master cylinders (Old Volks) at $240. They are "ATE Germany" although it is unknown if they were actually made in Germany. Is ATE a reliable manufacturer? |
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runderwood
Samba Member
Joined: July 17, 2007
Posts: 274
Location: near philadelphia, pa
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| Posted: Thu Sep 13, 2007 7:07 am Post subject: |
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| I'm also looking to do the dual circuit MC swap... has anyone located a source for those old volvo MC reserviors that fit so nice? |
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Andrew
Samba Member
Joined: October 27, 2000
Posts: 5865
Location: Who in the what now?
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| Posted: Thu Sep 13, 2007 10:14 am Post subject: Re: 67 Master Cylinder |
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| doc hopper wrote: |
| I found a source for the 67 master cylinders (Old Volks) at $240. They are "ATE Germany" although it is unknown if they were actually made in Germany. Is ATE a reliable manufacturer? |
Wolfsburg West carries them for $225
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Culito
11010101
Joined: December 07, 2006
Posts: 5881
Location: Columbia Missourah
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| Posted: Thu Sep 13, 2007 10:17 am Post subject: |
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| runderwood wrote: |
| I'm also looking to do the dual circuit MC swap... has anyone located a source for those old volvo MC reserviors that fit so nice? |
Any year Rabbit MC reservoirs work perfectly on the '71 and up MC. Your local junkyard or VW dealer probably has a few used ones. I got mine with a low brake fluid sensor in the cap.
_________________
© CJ Industries, Inc.
'64 standard w/2.0L type 4
'62 bug
| johnnypan wrote: |
| ...dont pay no attention to Culito,he's a cornhole.. |
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cdennisg
Samba Member
Joined: November 02, 2004
Posts: 20885
Location: Sandpoint, ID
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| Posted: Thu Sep 13, 2007 9:15 pm Post subject: |
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| I thought that the rabbit reservoir sat at a funky angle on the bus MC and the fill hole did not line up with the access hole on the bus floor. The pics I have seen of the Volvo reservoir made it looked like it was meant to fit the bus. |
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BarryL 
Samba Member
Joined: November 01, 2004
Posts: 15312
Location: Casa de Oro, California
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| Posted: Fri Sep 14, 2007 8:27 am Post subject: |
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doc hopper
| Quote: |
| They are "ATE Germany" although it is unknown if they were actually made in Germany. Is ATE a reliable manufacturer? |
Yes they are the best and OE. They will last a looooooooooog time if you bleed them through every 2 or 3 years. They also come with 2 new brake light switches already installed. |
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runderwood
Samba Member
Joined: July 17, 2007
Posts: 274
Location: near philadelphia, pa
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| Posted: Fri Sep 14, 2007 8:29 am Post subject: |
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I found new master cylinder reservior's made for the 71-79 MC (cheap $20)... but looks like it doesn't have a cap - maybe a tube attaches to the top for a remote fill elsewhere... has anyone used one of these?
OR - what about using a beetle MC reservior? would the little hose flanges that attach to the MC fit the bus MC? and use a beetle remote tank?
OR - can someone post a photo of their rabbit reservior mounted up and in place? I'm just wondering how much fluid it holds since the top will be at an angle... |
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Krustybus
Samba Member
Joined: February 16, 2004
Posts: 442
Location: SE Michigan
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| Posted: Fri Sep 14, 2007 12:51 pm Post subject: |
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| runderwood wrote: |
I found new master cylinder reservior's made for the 71-79 MC (cheap $20)... but looks like it doesn't have a cap - maybe a tube attaches to the top for a remote fill elsewhere... has anyone used one of these?
OR - what about using a beetle MC reservior? would the little hose flanges that attach to the MC fit the bus MC? and use a beetle remote tank?
OR - can someone post a photo of their rabbit reservior mounted up and in place? I'm just wondering how much fluid it holds since the top will be at an angle... |
I don't know where you could mount a remote resevior high enough in a split bus to gravity feed the cylinder. I'm sure if it was easy a lot of people would have done it. I ran a Rabbit resevior for a while without problems. Was lucky enough to find a 67 later.
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Culito
11010101
Joined: December 07, 2006
Posts: 5881
Location: Columbia Missourah
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| Posted: Fri Sep 14, 2007 4:15 pm Post subject: |
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The rabbit reservoir does sit a little funky, but it works fine and the filler cap does line up with the hole in the floor.
_________________
© CJ Industries, Inc.
'64 standard w/2.0L type 4
'62 bug
| johnnypan wrote: |
| ...dont pay no attention to Culito,he's a cornhole.. |
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BarryL
Samba Member
Joined: November 01, 2004
Posts: 15312
Location: Casa de Oro, California
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| Posted: Fri Sep 14, 2007 6:50 pm Post subject: |
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| Wonder why no one's making the '67 reservoir. Sheesh. ATE should make it. |
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spiderjames
Samba Member
Joined: October 30, 2004
Posts: 358
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| Posted: Sat Sep 15, 2007 5:09 am Post subject: |
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| Don't some Volvo reservoirs mate up? |
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Krustybus
Samba Member
Joined: February 16, 2004
Posts: 442
Location: SE Michigan
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Peter - Belgium
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Joined: December 22, 2003
Posts: 765
Location: Brussels - Belgium
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Major Woody
Samba Enigma
Joined: December 04, 2002
Posts: 9016
Location: Portland, OR
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| Posted: Wed Sep 26, 2007 11:33 am Post subject: Re: dual circuit |
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That's excellent. Where? |
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Peter - Belgium
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Joined: December 22, 2003
Posts: 765
Location: Brussels - Belgium
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