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Master Cylinder -19 or 23 mm??
I know they designate Master Cylinder's as 17, 19, or 23mm, but what exactly are they measuring? I have one I am going to sell and it is marked as 19mm by previous owner, but when I double checked it measure ~23mm on the ID? Any help is appreciated!
Here is a photo ...  
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Vance '83 SC Cabriolet - The "Matrix" '73 914 - "Spicy Mustard" - SOLD |
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09-03-2005, 04:56 AM
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what's the PN?
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Donnie Currently Porsche-less..... 
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09-03-2005, 05:53 AM
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the cylinder bore is the spec, it is not visible for tthe outside. There should be a # embossed on the casting
These are 25mm and 23mm respectively  in addition the non boosted 19 and 23 look very different 
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Bill Verburg '76 Carrera 3.6RS(nee C3/hotrod), '95 993RS/CS(clone) | Pelican Home |Rennlist Wheels |Rennlist Brakes | |
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09-03-2005, 06:41 AM
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Join Date: May 2001
Location: San Diego
Posts: 940
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Quote:
Last edited by scca_ita; 09-03-2005 at 08:23 AM.. |
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09-03-2005, 07:10 AM
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1983 Porsche 911 SC Cabriolet 3.0
'74 Porsche 911 2.7
1976 Porsche Carrera 3.0
1995 Porsche 993 Carrera Coupe
