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Crew Chief
Join Date: Nov 2001
Location: Wilkesboro, NC
Posts: 1,678
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Adjustable Proportioning Valve Help
Where can i get the adapters to put a adjustable Proportioning valve ( 1/8 NPT )
to the stock Brake line ( bubble flare ) ? What size are the stock brake fittings ?
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Herbert B. GruppeB #093 Carolinas Region PCA Member National PCA Driving Instructor _______________ '71 911 RSR look '74 914 2.0 '76 911S Targa '83 930S Slantnose (13000 miles) '86 951 Prototype Testcar built in '84 (56000 miles) Serial #00014 '86 951 '87 944 "Life is short , drive Fast" |
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07-23-2008, 07:14 AM
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Registered
Join Date: Jun 2006
Location: O.C. CA
Posts: 4,587
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adaptors in brakes systems are a bad idea - i would change the proportioning valve to one that has the ratings you want - porsche makes several - one of these might work:
5/18bar 951 355 305 01 5/33bar 928 355 305 01 5/45bar 964 355 305 00 5/55bar 930 355 305 01 5/60bar 965 355 305 01 |
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07-23-2008, 09:16 AM
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Crew Chief
Join Date: Nov 2001
Location: Wilkesboro, NC
Posts: 1,678
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Not if you want adjustability on a Racecar
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Herbert B. GruppeB #093 Carolinas Region PCA Member National PCA Driving Instructor _______________ '71 911 RSR look '74 914 2.0 '76 911S Targa '83 930S Slantnose (13000 miles) '86 951 Prototype Testcar built in '84 (56000 miles) Serial #00014 '86 951 '87 944 "Life is short , drive Fast" |
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07-24-2008, 12:35 PM
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Registered
Join Date: Jun 2006
Location: O.C. CA
Posts: 4,587
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it seems to work fine for everybody i know racing these cars - most of them have gone to either the 5/33 (or 5/45 if they really wanted aggressive rear braking) - i am running the 5/33 and am very happy with the balance - fit right into the oem location - no muss no fuss - no real chances of leaks
have you tried porsche motorsport? |
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07-24-2008, 01:33 PM
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Crew Chief
Join Date: Nov 2001
Location: Wilkesboro, NC
Posts: 1,678
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What about if you run Big Reds on the front ?
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Herbert B. GruppeB #093 Carolinas Region PCA Member National PCA Driving Instructor _______________ '71 911 RSR look '74 914 2.0 '76 911S Targa '83 930S Slantnose (13000 miles) '86 951 Prototype Testcar built in '84 (56000 miles) Serial #00014 '86 951 '87 944 "Life is short , drive Fast" |
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07-30-2008, 05:11 AM
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