996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Slipping clutch on the turbo S

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Old Feb 11, 2009 | 12:28 PM
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Slipping clutch on the turbo S

Should I look into getting a stronger aftermarket clutch or stick with a stock clutch?

WOT, clutch is slipping. 18k miles. no engine mods aside from a EP stage 2 quiet.

Going to get a stock clutch put in this weekend, but I started thinking ahead a little. I may flash my car this year sometime but that's as far as I'll go in regards to engine mods. I dont track, the car is my DD and I put on about 7k miles per year.
 
Old Feb 11, 2009 | 03:56 PM
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If you're even remotely thinking about modding your car....let's say a Stage 1 flash...nothing major, but around 525 hp or so...usually your first level...then you'd better seriously consider a beefier clutch. Most tuners will warn you that it would be prudent for you to install a heavier clutch....like my tuner did...and I ignored him. Yutta' Hey....I dont' launch the car or race it, I'll be just fine with the stock clutch. Right? WRONG!!....after about two months of driving with a flash and upgraded wastegates, the clutch wouldn't hold in 4th, 5th or 6th when accelerating hard and shifting up. Just too much torque for the stock clutch. You might want to spread out your expenditures and stay with your stock clutch until it goes or starts to slip....but it will eventually go if you mod the car. You also want to try to figure out how far you want to go with mods because there are different flavors of clutches designed to hold certain thresholds of horsepower and torque. Mine will hold 700 but I'm only going to 550...that's enough for me.
 
Old Feb 11, 2009 | 04:16 PM
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excellent advice. With that in mind, what brand of clutch would be best to hold 550-600 hp and feels as close to stock, so I don't sacrifice day to day driving?

Originally Posted by Chuck Jones
If you're even remotely thinking about modding your car....let's say a Stage 1 flash...nothing major, but around 525 hp or so...usually your first level...then you'd better seriously consider a beefier clutch. Most tuners will warn you that it would be prudent for you to install a heavier clutch....like my tuner did...and I ignored him. Yutta' Hey....I dont' launch the car or race it, I'll be just fine with the stock clutch. Right? WRONG!!....after about two months of driving with a flash and upgraded wastegates, the clutch wouldn't hold in 4th, 5th or 6th when accelerating hard and shifting up. Just too much torque for the stock clutch. You might want to spread out your expenditures and stay with your stock clutch until it goes or starts to slip....but it will eventually go if you mod the car. You also want to try to figure out how far you want to go with mods because there are different flavors of clutches designed to hold certain thresholds of horsepower and torque. Mine will hold 700 but I'm only going to 550...that's enough for me.
 
Old Feb 11, 2009 | 05:01 PM
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Todd K suggests a Sachs motorsports pp/gt2 disc with the stock dual mass flywheel to hold my proto 650 kit and be most like stock. He also suggested the ats carbonetics triple disc with lwfw if I was going to do lots of hard launches at the drag strip and I went with that set up for alot more $ but it is far from the stock feel and I have needed to get used to it over time and break in. Sure revs fast though. If I could do it over I would have gone with his first suggestion.
 
Old Feb 11, 2009 | 05:37 PM
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"Todd K suggests a Sachs motorsports pp/gt2 disc with the stock dual mass flywheel"

Excellent recommendation!..do this.
 
Old Feb 11, 2009 | 05:56 PM
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I went with Kevin's UMW setup that uses the dual mass flywheel. I dont see the need (personal opinion based on my driving habits) for a light flywheel. I retain the street feel with more power and torque on a beefier clutch. Everyone has their particular favorite based upon an established relationship with the tuner/dealer or whomever. I based my decision on reputation, performance, and cost. Do your homework but remember...you dont' know any of these folks recommending this or that...so it's up to you to ferret through all the claims that this is better than that and decide what would suit your particular situation. Consider your horesepower threshold, costs for the products, reputation of the vendor, and use the search function here, on Rennlist, and RennTech to see what folks say about the different vendors.
 
Old Feb 11, 2009 | 05:59 PM
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Do the clutch. My clutch lasted a few weeks after my first K16 flash.
 
Old Feb 11, 2009 | 07:25 PM
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Originally Posted by BigBadBen
"Todd K suggests a Sachs motorsports pp/gt2 disc with the stock dual mass flywheel"

Excellent recommendation!..do this.
+1 i have this setup in my car and love it
 
Old Feb 11, 2009 | 07:49 PM
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I also ended up with the Sachs GT2 disc and dual mass flywheel...so far I like it but it o bviously won't respond as fast as the LWFW....but I don't care about 10ths of a second off my 1/4 mile times. For us guys/gals who like the weekend drives to the hills or twisties along the coast, this is acceptable. For the track guys, it wouldn't meet their expectations. I would also have to address the suspension issue.
 
Old Feb 11, 2009 | 08:40 PM
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Sachs motorsports pp/gt2 disc

where can i buy this? also is this kevlar /ceramic ??

I was thinking Clutchmasters stg 3 kit . Thought they use sachs parts too.
 
Old Feb 11, 2009 | 10:18 PM
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Clutch is going south fast. It's starting to feel different in first and 2nd during regular driving now. How much is a sachs clutch, and where should I get it?

btw, thanks for the quick responses everyone, appreciate the help.

-Aaron
 
Old Feb 11, 2009 | 10:45 PM
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Im thinking a stage 1 sachs clutch seen here (unless you guys tell me I NEED a stage 2 sachs clutch):

http://www.evoms.com/marketplace/Vie...2553F318AD6%7D

and possibly what do you guys think about getting one of these while im at it?
http://www.evoms.com/marketplace/Vie...2553F318AD6%7D
 
Old Feb 11, 2009 | 10:46 PM
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Aaron since you're down south get together with someone first that has an upgraded one just so you get a "feel" for the different set ups. With the hydraulic assist still in place a lot of the more elaborate/higher HP kits feel terrible for driving (at least that's the reaction most people have). Generally speaking the Sachs/GT2 stuff is stock-ish in terms of feel. LWF's are fun/nice but do add some transmission noise and sizzle as well as a bit more tricky to take off in 1st. Again just see if you can "feel" one....
 
Old Feb 11, 2009 | 11:02 PM
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Good advice, thanks for the input Alex. With that said, anyone in Irvine with a stage 2 clutch or a lightweight fly wheel want to get coffee sometime soon... like tmrw?

Originally Posted by sharkster
Aaron since you're down south get together with someone first that has an upgraded one just so you get a "feel" for the different set ups. With the hydraulic assist still in place a lot of the more elaborate/higher HP kits feel terrible for driving (at least that's the reaction most people have). Generally speaking the Sachs/GT2 stuff is stock-ish in terms of feel. LWF's are fun/nice but do add some transmission noise and sizzle as well as a bit more tricky to take off in 1st. Again just see if you can "feel" one....
 
Old Feb 12, 2009 | 12:31 PM
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Do it, even if your clutch isn't ****ed, when they take it apart to check, might as well stick a new one in anyway. No sense in waiting till you get flashed as well, pre-empt that ****.
 


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