 993 Pedal cluster with Hydralic Clutch, anyone use it yet? |
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| Aaron Cox |
 Nov 26 2006, 08:21 PM
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#41
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Professional Lawn Dart  Group: Retired Admin Posts: 24,541 Joined: 1-February 03 From: OC Member No.: 219 Region Association: Southern California  |
i like the stock look... (964) its sleeper...
but for all this work, check out howard R's racer from ozzie land.. and his tilton setup with a bias bar brake setup and a hydroclutch. |
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| Downunderman |
Nov 27 2006, 01:02 AM
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#42
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Senior Member Group: Members Posts: 852 Joined: 31-May 03 From: Sydney, Australia Member No.: 766 Region Association: Australia and New Zealand |
That was the conclusion I came to. It was easier to replace the lot rather than mess around adapting stuff. I think the cost worked cheaper to do it properly than with all the modifying, but i'm pretty well set up with equipent to do it. But maybe you don't need a proper balance bar setup to drive around the the streets. The throttle linkage took some thought (and messing around) to get right, but in the end was worth the trouble. I was after a balance bar, the hydraulic clutch was incidental, but now I have a clutch with a really short travel (but heavy) which is what I also wanted.
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| Larry.Hubby |
Nov 28 2006, 05:19 PM
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#43
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Member who doesn't post much, but has a long time in 914s Group: Members Posts: 186 Joined: 24-November 04 From: Palo Alto, CA Member No.: 3,172 Region Association: Northern California |
Felix et al,
Here is the correspondence I had with FTE about getting technical info on Porsche clutch master and slave cylinders. Maybe this will be of use to some of you: Dear Mr Hubby Thank you for your below email. I have discussed this matter with our technicians and found out the following: The maximum piston strokes are: KG19074.1.1 = 34 mm KN2393B1 = 21,6 mm -> and the clutch release path is 18,9 mm Hope I was able to assist you. Should you have further questions please let me know. Kind regards Christine Hammer Teamleiterin Export / Sales Manager IAM FTE automotive _______________________________________ FTE automotive GmbH Andreas-Humann-Str. 2 D-96106 Ebern Tel.: +49 9531/81 3642 Fax: +49 9531/81 53642 http://www.fte.de ----- Weitergeleitet von Gabi Heinzel/EBN/FTE am 06.07.2005 07:16 ----- larry.hubby@hp.c om An: Gabi.Heinzel@fte.de Kopie: 05.07.2005 19:07 Thema: FTE-Kontaktformular Nachricht gesendet am Tuesday, 05.07.2005 um 19:07: ---------------------------------------------------------------- Title : Herr Surname : Hubby First name: Larry Street : 985 Harriet St Postcode : 94301 City : Palo Alto, CA Country : USA Telephone : (650) 857-2259 eMail : larry.hubby@hp.com ---------------------------------------------------------------- Message: I am using your part numbers KG19074.1.1 and KN2393D1 in an automotive hydraulic cluth application, but not the one for which it was originally designed. I need to know one additional piece of design information, the maximum stroke for the slave cylinder. I am using a stroke of about 21mm (measured from the neutral position at which the internal spring holds the piston, out to full extension) at present, and this seems to cause the rubber boot which seals around the slave shaft to protrude from the cylinder significantly. I am worried that I am in danger of pushing the piston out of the slave cylinder and causing the unit to fail. If this situation is normal (the protrusion) and the stroke is not excessive, I would like to know. Otherwise I can re-design the system to use less stroke but more pressure. |
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| neo914-6 |
Nov 28 2006, 09:12 PM
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#44
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neo life Group: Members Posts: 5,086 Joined: 16-January 03 From: Willow Glen (San Jose) Member No.: 159 |
I want to try the 964 asm since it's available and I can go ahead and plumb a reservoir and line to clutch cyl as I will have to do anyway. Whether I adapt aftermarket or stock components, both require calculations and/or trial & error (R&D). I believe if I duplicate the Boxster/996 components, I can avoid some of it.
Chris Julian offered his experience with his Tilton after 8 iterations. Here's his formulas: 
Hydraulic_clutch_input_to_output_spreadsheet_1_.xls ( 15k )
Number of downloads: 354 |
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| Solana-Bob |
Nov 30 2006, 12:46 PM
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#45
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Newbie Group: Members Posts: 15 Joined: 9-October 06 From: Solana Beach, California Member No.: 7,018 |
QUOTE(So.Cal.914 @ Nov 23 2006, 11:55 AM)  QUOTE(Brando @ Nov 23 2006, 11:19 AM) I've been contemplating putting a generic hydraulic master cylinder behind the clutch pedal, giving it room to travel, then running a long line under the car, then to the back where i'd have a push slave cylinder (or a pull-type if I could find one...). Master and slave cylinders can be had inexpensively. It's just getting the part at the transmission to work correctly for a stock 914-901 gearbox that has me befuddled. Here's one way. Loved your quote from Word Jazz by Ken Nordine "...we are a fluke of the Universe...". I didnt know anyone else in the Universe knew that album. I just recently added it to my digital library....30 years after ... |
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| pjhaun |
Dec 1 2006, 10:12 AM
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#46
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Member Group: Members Posts: 370 Joined: 21-August 03 Member No.: 1,055 Region Association: None |
Is it possible to use the brake fluid reservoir to feed the hydralic clutch?
Thank You!!!! Phillip J. Haun Oak Harbor, WA. |
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| Eric_Shea |
Dec 1 2006, 10:52 AM
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#47
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PMB Performance Group: Admin Posts: 19,274 Joined: 3-September 03 From: Salt Lake City, UT Member No.: 1,110 Region Association: Rocky Mountains  |
WOW! Excellent thread Felix. Look at all the cool advice. That's what this club is about (IMG:style_emoticons/default/smilie_pokal.gif)
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