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Old 08-07-2008, 12:31 PM #1  
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Video SharkWerks Single Mass Light Weight Flywheel Demo Video

Hey folks,

We recently installed the lightweight flywheel kit (single mass, 14 lbs.) into another 997.

To give you an idea of how it changes the car, we made a short video showing it in action before and after the installation. You can watch the video here:
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Old 08-07-2008, 01:26 PM #2  
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Great video. Very good comparison. This is the kind of stuff we need on mods.

I have this mod as well, and it does make a good difference. Car feels hyper.
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Old 08-07-2008, 01:32 PM #3  
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Dan,

Excuse my ignorance, but how much work is it to install this fly wheel? Also, I read that the drawbacks are increased vibration, how much vibration? Any other drawbacks?

Ed
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Old 08-07-2008, 01:32 PM #4  
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Great video. Very good comparison. This is the kind of stuff we need on mods.

I have this mod as well, and it does make a good difference. Car feels hyper.
Thanks! I wish I had more time to shoot a better video, but we did the best we could.

And I agree, it's a good mod that really changes the car's personality.
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Old 08-07-2008, 01:36 PM #5  
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Originally Posted by NorthVan997C2S View Post
Dan,

Excuse my ignorance, but how much work is it to install this fly wheel? Also, I read that the drawbacks are increased vibration, how much vibration? Any other drawbacks?

Ed
Hi Ed,
Installing the flywheel takes several hours, as you must remove the transmission and clutch to gain access to it. 2WD cars are faster to install than AWD cars.

Once warmed up and at idle, there is definitely some added transmission noise with the clutch pedal released. Some cars make more noise than others. 996s tend to make more noise than 997s, and the Caymans make less noise than 997s.

If you're lugging the car at low RPMs, you'll have some added vibration.
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Old 08-07-2008, 01:40 PM #6  
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Quote:
Originally Posted by Dan@SharkWerks View Post
Hi Ed,
Installing the flywheel takes several hours, as you must remove the transmission and clutch to gain access to it. 2WD cars are faster to install than AWD cars.

Once warmed up and at idle, there is definitely some added transmission noise with the clutch pedal released. Some cars make more noise than others. 996s tend to make more noise than 997s, and the Caymans make less noise than 997s.

If you're lugging the car at low RPMs, you'll have some added vibration.
Is it wise to replace the clutch when this is being changed out?

How much noise and vibration?
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Old 08-07-2008, 01:49 PM #7  
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Quote:
Originally Posted by NorthVan997C2S View Post
Is it wise to replace the clutch when this is being changed out?
Yes, especially if it's nearly time to do it since you will have to take it apart.

Quote:
How much noise and vibration?
It varies from car-to-car and depending on the set up. It can be as loud as the GT3 RS (with its stock LWF). We typically let a customer hear it in our Cayman or GT3 RS before we install it as some people are more sensitive to the noise than others.

I will shoot some video of the noises in the GT3 RS or Cayman before the weekend if time permits.
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Old 08-07-2008, 02:20 PM #8  
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Thanks to Sharkwerks for making and posting this video. I've been struggling to get an appreciation of the added "chatter" a LFW is supposed to add. Some say it's significant and aggravating, others don't mind.

I didn't hear anything obvious in this video. Should I be listening for anything in particular at any particular times (revs, shifts, etc.)?

This is a mod I really want on my car but have been warned against it with my supercharger kit.
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Old 08-07-2008, 02:26 PM #9  
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I replaced mine at the same time as a race clutch. I don't know which is making the chatter in mine, but there's definitely some noise. It's not as loud as a Ducati though, that's for sure.
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Old 08-07-2008, 02:31 PM #10  
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I had a LWFC setup in my 993 and never minded the extra bit of chatter at all.
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Old 08-07-2008, 02:31 PM #11  
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Quote:
Originally Posted by Darren Sleat View Post

This is a mod I really want on my car but have been warned against it with my supercharger kit.
I have a supercharger and it's fine so far. No worries at all.
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Old 08-07-2008, 03:15 PM #12  
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Very cool video, Dan! I love my LWFW.
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Old 08-07-2008, 03:25 PM #13  
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Why didn't you guys highlight my car??

Is it not good enough???

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Old 08-07-2008, 03:43 PM #14  
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Quote:
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Why didn't you guys highlight my car??

Is it not good enough???

Alan
ROFL! Yours was different since it was still being broken in George the owner actually twisted our arm into doing this since he said it was way more useful than the other video

But I'd absolutely do one on yours anytime! Wouldn't be a bad idea since you hav e a full exhaust etc.... so people can really hear the sound difference too. Plus I guess we could show the idle transmission noise
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Old 08-07-2008, 04:17 PM #15  
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Quote:
Originally Posted by NorthVan997C2S View Post
Dan,

Excuse my ignorance, but how much work is it to install this fly wheel? Also, I read that the drawbacks are increased vibration, how much vibration? Any other drawbacks?

Ed

hey Ed... i have a lightweight flywheel and Sachs clutch in my car... not from Sharkwerks... but you can get an idea for noise levels from mine when i get it back next week.

i dont mind the gear noise at all...well worth it

Rod
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