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boxkiteflyer Samba Member
Joined: May 22, 2008 Posts: 127 Location: Taylorsville, KY
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Posted: Mon Jan 14, 2013 6:50 am Post subject: Boost Gauge Pipe Route to Supercharger |
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| How do you folks with Judsons et al route your boost gauge pipe? I am going to replace my fuel pipe and thought I might as well route two pipes: one for fuel and other for the SC. Any thoughts or considerations on this? Thanks! |
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John Moxon  Samba Member

Joined: March 07, 2004 Posts: 8627 Location: Southampton U.K.
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Posted: Mon Jan 14, 2013 11:45 am Post subject: |
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I routed my line through the battery area under the rear seat and then under the mats alongside the tunnel. Up against the front baulkhead to the gauge.
You only need to drill one hole in the pan to gain access to beneath the rear seat.
Make sure the mats don't compress the line although I didn't have any problems with this routing. _________________ John.
Posted from my Apple iPhone 6 (Beta)
The VW Judson Register
My '58 Karmann Ghia
1958 Karmann Ghia Postcard Now Available
If I agreed with you we'd both be wrong. |
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boxkiteflyer Samba Member
Joined: May 22, 2008 Posts: 127 Location: Taylorsville, KY
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Posted: Mon Jan 14, 2013 10:05 pm Post subject: |
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| John- nice pics and thanks! I suppose the pipe comes out of carpet at footwell and runs, exposed, vertically to gauge? My gauge has a flush mount portion so it can be attached to any convenient flat area (like under dash). Your car looks as if it is right hand drive for pipe is on right side of tunnel, correct? |
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John Moxon  Samba Member

Joined: March 07, 2004 Posts: 8627 Location: Southampton U.K.
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Posted: Tue Jan 15, 2013 1:19 am Post subject: |
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| boxkiteflyer wrote: | | John- nice pics and thanks! I suppose the pipe comes out of carpet at footwell and runs, exposed, vertically to gauge? My gauge has a flush mount portion so it can be attached to any convenient flat area (like under dash). Your car looks as if it is right hand drive for pipe is on right side of tunnel, correct? |
Yes RHD...I had a nice set of loose fitting coconut mats that covered the lower part of the firewall so the tubing was well concealed and ran to a column Motormeter gauge holder.
 _________________ John.
Posted from my Apple iPhone 6 (Beta)
The VW Judson Register
My '58 Karmann Ghia
1958 Karmann Ghia Postcard Now Available
If I agreed with you we'd both be wrong. |
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D-train Samba Member

Joined: January 08, 2007 Posts: 379
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Posted: Wed Jan 16, 2013 1:52 am Post subject: |
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i ran my gauge line up the roof line instead of chassis, along side the wiring loom in the oval, no drilling then.. _________________ shiny paint doesnt make it worth any more |
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boxkiteflyer Samba Member
Joined: May 22, 2008 Posts: 127 Location: Taylorsville, KY
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Posted: Wed Jan 16, 2013 1:28 pm Post subject: |
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D-train, how did you get the pipe into the passenger compartment?
I'd post a picture of my gauge but, for the life of me, can't figure it out on this site! I've read the instructions but they don't make sense. Other than typing the brackets with 'img' there has got to be an easier way. I post pics all the time on other forums. |
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D-train Samba Member

Joined: January 08, 2007 Posts: 379
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Posted: Wed Jan 16, 2013 3:50 pm Post subject: |
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| boxkiteflyer wrote: | D-train, how did you get the pipe into the passenger compartment?
I'd post a picture of my gauge but, for the life of me, can't figure it out on this site! I've read the instructions but they don't make sense. Other than typing the brackets with 'img' there has got to be an easier way. I post pics all the time on other forums. |
Up through the roof line next to the wiring harness
Out next to the heater demister pipe
Then in through an existing hole
Then to the gauge, sorry about the blurry pic.
Something's there is sound proof stuff in the roofline so might have to run a wire to pull it through.
I use photobucket cause I'm the same an cant figure out the upload pic thing..
I'm a bit special. Haha _________________ shiny paint doesnt make it worth any more |
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boxkiteflyer Samba Member
Joined: May 22, 2008 Posts: 127 Location: Taylorsville, KY
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Posted: Wed Jan 16, 2013 5:12 pm Post subject: |
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Even Everett has tried to help me post pics but I'm too stupid or sump'n! D-train and John- do you use steel pipe or rubber hose pipe? I'm currently putting new wiring harness, fuel pipe and everything in my car so I have quite a few options for routing the boost gauge pipe thanks to your input. Thanks for complicating things Just kidding, dontchaknow! |
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D-train Samba Member

Joined: January 08, 2007 Posts: 379
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Posted: Wed Jan 16, 2013 5:49 pm Post subject: |
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Both runnin rubber hose for it, I'd like to swap to steel line, just cause rubber perishes after a while but it works for now so why change it.
While ur doin everything else run it too saves u havin to do it all later when it's more fiddly.. _________________ shiny paint doesnt make it worth any more |
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kiwi_obecny Samba Member
Joined: October 23, 2010 Posts: 16 Location: Czech Republic
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Suboval Samba Member

Joined: September 15, 2003 Posts: 520
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Posted: Thu Jan 17, 2013 10:00 am Post subject: |
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I agree with D-train - thru the roof (similar to how the wiring is run on the passenger side).
I had an Oval with a Motominder gauge originally installed and the teflon tubing was run the same as D-trains tubing, except on the driver's side. _________________ It all works on paper.
There's two things we learn from history:
1.) History repeats itself.
2.) We don't learn from history. |
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boxkiteflyer Samba Member
Joined: May 22, 2008 Posts: 127 Location: Taylorsville, KY
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Posted: Thu Jan 17, 2013 11:24 am Post subject: |
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Thanks for the comments. I'm leaning toward a thru-the-tunnel route whereupon the fuel and boost pipes can be 'married' together but the driver's side roof route is interesting, too!
kiwi obecny- the flat4 forum posts are awesome! The pics were so good I didn't even need to translate! I like the thru-the-bulkhead pipe connectors and how you made those brass ferrules for the ends of your pipes. |
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