 19mm Master Cylinder Question, What do I have here? |
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| Rich Bontempi |
 Dec 7 2003, 12:07 AM
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#21
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914 Road Racer  Group: Members Posts: 167 Joined: 5-February 03 From: Redwood City Ca. 94063 Member No.: 239 Region Association: Northern California  |
Hi Scott, yea I know I should post more often, but somehow I never seem to have enough time to get everything done on my plate as it is. And the times that I do get on the clubsite, there usually isn't too many questions that are not answered correctly! So I try to fill in with help when it's needed! (IMG:style_emoticons/default/ar15.gif) (IMG:style_emoticons/default/boldblue.gif)
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| jonwatts |
Dec 7 2003, 12:14 AM
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#22
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no rules, just wrong Group: Benefactors Posts: 2,321 Joined: 13-January 03 From: San Jose, CA Member No.: 141  |
QUOTE(Rich Bontempi @ Dec 6 2003, 10:07 PM) Hi Scott, yea I know I should post more often, but somehow I never seem to have enough time to get everything done on my plate as it is. That never stops Brad from posting here. We need a "ducking for cover" smilie. |
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| Rich Bontempi |
Dec 7 2003, 12:18 AM
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#23
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914 Road Racer Group: Members Posts: 167 Joined: 5-February 03 From: Redwood City Ca. 94063 Member No.: 239 Region Association: Northern California |
Hi Jon! Yea but I work for a living!!! LOL (IMG:style_emoticons/default/mueba.gif)
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| AZ914 |
Dec 7 2003, 06:18 PM
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#24
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914 Dumbass Group: Members Posts: 1,459 Joined: 6-January 03 From: Sunny Tucson Member No.: 98 Region Association: Southwest Region |
Thanks for all of the suggestions.
We decided to pull the old master out and install the new one. As predicted by some, it was a '17mm', not a '19'. Please see the source of my confusion below. Why the hell would Porsche do this?... (IMG:style_emoticons/default/headbang.gif) Attached image(s) 
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| ArtechnikA |
Dec 8 2003, 07:56 AM
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#25
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
QUOTE(AZ914 @ Dec 7 2003, 04:18 PM) Why the hell would Porsche do this? well - Porsche doesn't make anything - they just build cars from parts. i haven't seen enough Ate master cylinders to know, but i bet the 'little' number is just the production sequence - and yours happened to be made in the 19th week of the year... |
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| davep |
Dec 8 2003, 09:03 AM
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#26
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914 Historian Group: Benefactors Posts: 5,151 Joined: 13-October 03 From: Burford, ON, N0E 1A0 Member No.: 1,244 Region Association: Canada |
Looks to me to be a casting number. Mold 19 out of? That is ATE's doing, not Porsche. Enjoy the 19. BTW, the 411 got a 19 with the same front calipers as the 914, but used rear drums. Exactly why the 914 did not get the 19 as did the 411 and the 914/6 is not known. No cost savings I can see.
DaveP |
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| ArtechnikA |
Dec 8 2003, 09:17 AM
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#27
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rich herzog Group: Members Posts: 7,390 Joined: 4-April 03 From: Salted Roads, PA Member No.: 513 Region Association: None |
QUOTE(davep @ Dec 8 2003, 07:03 AM) Exactly why the 914 did not get the 19 as did the 411 and the 914/6 is not known. /6's were assembled on the 911 line at Zuffenhausen, where there were no 17's stocked. why the Karmann-assembled cars got 17 if otherwise identical 19's were available, i donno - other than all things being equal, the smallest suitable MC will provide better modulation and lighter pedal (more hydraulic advantage). /6's had larger front and rear pistons, so my guess is 17mm just wasn't adequate considering racing use - may have been a homologation factor too... |
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| AZ914 |
Dec 8 2003, 10:39 AM
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#28
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914 Dumbass Group: Members Posts: 1,459 Joined: 6-January 03 From: Sunny Tucson Member No.: 98 Region Association: Southwest Region |
Righto on the Porsche vs. ATE thing.. I was just venting... (IMG:style_emoticons/default/ar15.gif) Regardless, new 19 is installed, new turbo tie-rods, 911 struts ON. Should be back on the ground this week....
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