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Guido
Unregistered guest
Posted From: 90.147.34.12
Posted on Wednesday, 01 February, 2017 - 08:05 pm:   Edit PostDelete PostView Post/Check IP

does anybody know the threading of the system's connections?

To make a restrictor I used the 3/8 die and tap good for the brake system, but the threading seems too coarse, the lube ones are more fine. It does not connect well.

This seams strange as the workshop manual gives only one 3/8 UNF size.

My drill has written the following on it:
3/8 UNF
PD, 3509"/19"
GF 3715, ST
GWS / 3946

Flying Spares is not able to help.
Thank all for help!
Guido

(Message approved by david_gore)
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Brian Vogel
Grand Master
Username: guyslp

Post Number: 2211
Registered: 6-2009
Posted on Thursday, 02 February, 2017 - 10:24 am:   Edit PostDelete PostView Post/Check IP

I have to presume that this is the "end of the line" for the Bijur system on these cars.

Take a look at http://www.fluidlinesystems.net/Bijur-FT-s/1899.htm and see if the fittings available there, and the notes they have regarding thread size, help you out.
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gordon le feuvre
Prolific User
Username: triumph

Post Number: 155
Registered: 7-2012
Posted on Thursday, 02 February, 2017 - 07:58 pm:   Edit PostDelete PostView Post/Check IP

a shot in the dark, lots of 50's things used cycle thread which in most applications is 26 to inch. when looking at bolt etc, appears very fine thread?
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Mark Aldridge
Grand Master
Username: mark_aldridge

Post Number: 393
Registered: 10-2008
Posted on Thursday, 02 February, 2017 - 08:35 pm:   Edit PostDelete PostView Post/Check IP

Is it BSP ?
Mark
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Brian Vogel
Grand Master
Username: guyslp

Post Number: 2212
Registered: 6-2009
Posted on Friday, 03 February, 2017 - 01:02 am:   Edit PostDelete PostView Post/Check IP

Mark,

It appears to be 1/8 NPT at least if the supplier of Bijur parts is to be believed. Here's a cap from the one-shot lube system on at least one S1:

Tecalemit Bijur Cap

Brian
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Chris Browne
Prolific User
Username: chrisb

Post Number: 267
Registered: 2-2010
Posted on Friday, 03 February, 2017 - 06:01 am:   Edit PostDelete PostView Post/Check IP

Hi all,

Here is a clearer photo of the wording on the cap for those who are interested.


Kind regards,

Chris
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Guido
Unregistered guest
Posted From: 90.147.34.12
Posted on Tuesday, 07 February, 2017 - 11:50 pm:   Edit PostDelete PostView Post/Check IP

Gordon, thanks, the thread actually seams very fine to me, it is more fine than the brake 3/8 threading.

Brian: thanks, the site says 1/" NPT and googling this I actually did finde an 3/8 27 thread/" indication ... maybe thats the right one!

(Message approved by david_gore)

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