 Calling for a 17mm Master Cylinder, Don't like the 19mm!! |
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| Artfrombama |
 Jun 17 2025, 11:32 AM
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#1
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Member  Group: Members Posts: 314 Joined: 21-January 24 From: Alabama Member No.: 27,870 Region Association: South East States 
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Replaced the OE 17mm that came on my 74 because it was leaking out of the rear. Replaced it with the 19mm that is currently offered as a replacement.
Not happy with the increased pedal pressure required to stop the car, almost scary in a panic situation. No pedal modulation. I would like to return to a 17mm unit but there seems to be no more out there, does anyone have a source? Is someone in the parts supply chain able to reproduce these parts reasonably? Thanks! |
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| Jack Standz |
Jun 17 2025, 01:45 PM
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#2
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Senior Member Group: Members Posts: 504 Joined: 15-November 19 From: Happy Place (& surrounding area) Member No.: 23,644 Region Association: None
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We have at least two failed 17mm master cylinders/cores and 1 NOS 17mm one (for our '72 project).
Agree that it would be best if a rebuild kit could be offered by one of our sympathetic vendors. Because there is a difference between the 17mm and 19mm and other sizes. And we do prefer 17mm on a stock 914. Don't know if it's possible, but type 1, early ghias, etc. used 17mm master cylinders and they are available still. Maybe a rebuild kit could be sourced from a parts from one of these? (Haven't really done any research yet) |
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| 914werke |
Jun 17 2025, 02:05 PM
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#3
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"I got blisters on me fingers" Group: Members Posts: 11,287 Joined: 22-March 03 From: USofA Member No.: 453 Region Association: Pacific Northwest
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QUOTE(Jack Standz @ Jun 17 2025, 12:45 PM)  Agree that it would be best if a rebuild kit could be offered by one of our sympathetic vendors. Because there is a difference between the 17mm and 19mm and other sizes. And we do prefer 17mm on a stock 914. Dont know why the 19mm rebuild kits are readily available but the 17 mm kit evaporated Attached image(s)   
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Posts in this topic
Artfrombama Calling for a 17mm Master Cylinder Jun 17 2025, 11:32 AM
rjames
Replaced the OE 17mm that came on my 74 because i... Jun 17 2025, 11:40 AM Shivers I did the 19 mm M/C and some of Eric Shea’s stic... Jun 17 2025, 11:54 AM mepstein I’m with you. I’ve tried both and prefer a 17m... Jun 17 2025, 11:55 AM
Artfrombama
I’m with you. I’ve tried both and prefer a 17... Jun 17 2025, 01:07 PM StratPlayer Getting ready to install a 23mm MC, recommended by... Jun 17 2025, 12:53 PM bdstone914
Getting ready to install a 23mm MC, recommended b... Jun 17 2025, 10:17 PM mepstein 17mm rebuild kits are a thing of the past. Im surp... Jun 17 2025, 02:08 PM 914Sixer My car has a one year only 1969 911T 20mm MC used ... Jun 17 2025, 04:40 PM porschetub
My car has a one year only 1969 911T 20mm MC used... Jun 17 2025, 09:40 PM 914xr75 I just purchased a fresh 17mm ATE mc at Pelican la... Jun 17 2025, 06:23 PM 904svo
Replaced the OE 17mm that came on my 74 because i... Jun 17 2025, 06:27 PM bkrantz The 17 mm MC has a cross section area of about 227... Jun 17 2025, 08:50 PM Jack Standz
I just purchased a fresh 17mm ATE mc at Pelican l... Jun 18 2025, 02:12 AM Jack Standz
17mm rebuild kits are a thing of the past. Im sur... Jun 18 2025, 02:17 AM bdstone914
Replaced the OE 17mm that came on my 74 because i... Jun 18 2025, 03:23 AM Artfrombama
Replaced the OE 17mm that came on my 74 because ... Jun 18 2025, 11:55 AM 930cabman somebody has the technology to fabricate these :i... Jun 18 2025, 12:07 PM Artfrombama
somebody has the technology to fabricate these :... Jun 18 2025, 12:37 PM rjames
somebody has the technology to fabricate these ... Jun 18 2025, 01:56 PM 930cabman
[quote name='Artfrombama' post='3210825' date='Ju... Jun 18 2025, 05:02 PM Artfrombama
[quote name='Artfrombama' post='3210825' date='J... Jun 19 2025, 09:39 AM mepstein
[quote name='930cabman' post='3210849' date='Jun ... Jun 19 2025, 11:01 AM 914xr75 Call pelican. They actually took a week to get my ... Jun 18 2025, 01:09 PM pfreiburger Here, try this, a brand new ATE 17mm cylinder (cle... Jun 19 2025, 12:27 AM 914Sixer Another ebay idiot LISTING THE WRONG PART. Jun 19 2025, 08:25 AM |
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