 914 Master Cylinder, Early VS Later year models? |
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| lsintampa |
 Apr 12 2013, 02:29 PM
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#1
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Senior Member  Group: Members Posts: 520 Joined: 28-January 13 From: Tampa, FL Member No.: 15,441 Region Association: South East States  |
What is the diff between master cylinders for early model 914's (70 - 72) and late models (73 - 76)?
Functionally speaking are they interchangable or not? I'm curious as it seems the 914-6 or early model 914's have ATE masters at a reasonable price. |
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| type47 |
Apr 12 2013, 05:49 PM
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#2
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Viermeister Group: Members Posts: 4,254 Joined: 7-August 03 From: Vienna, VA Member No.: 994 Region Association: MidAtlantic Region |
I'm gonna bet the -6 MC is essentially the same as the 911 MC of the same years. I think the -6/911 MC is a 19mm and the -4 is a 17mm. And most of the vendors sell the 19mm at a lesser price than the 17mm. I bought a 73 911 MC for my car and installed it. There is discussion about pros and cons of each MC; search here for threads on that. Check out Eric Shea's site PBPerformance for optimum brake parts ... (or GPR, Pelican, ....). One difference I've read is if the switch on the MC has a terminal for ground or not; I've seen lots of questions about what to do with the "extra" wire.
Also, check out PET 604-00 for part numbers... |
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| Dave_Darling |
Apr 12 2013, 06:53 PM
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#3
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914 Idiot Group: Members Posts: 15,161 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California 
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AFAIK, the only difference is that the Sixes had the 19mm master cylinder, while all of the four-cylinder 914s had the 17mm one.
--DD |
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