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SINGLE MASS FLYWHEEL ON A GT3 TOURING

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Old 08-12-2019, 01:22 PM
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sterno
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Default SINGLE MASS FLYWHEEL ON A GT3 TOURING

Why didn't Porsche offer a Single Mass flywheel option on the GT3 Touring.
Why isn't there anyone making a single mass flywheel? Isn't there enough interest?
Old 08-12-2019, 01:24 PM
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krell
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IIRC Andreas Preuninger said on the GT3 intro video with Harry Catchpole that a single mass won't work, and in fact told people not to try it.
Old 08-12-2019, 01:27 PM
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sterno
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Why won't it work? That does't make any sense. Explain why it won't work.
Old 08-12-2019, 01:33 PM
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carbondan
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Something about the new crankshaft makes it not work on the .2
Old 08-12-2019, 01:50 PM
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Jrtaylor9
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I'm thinking once warranties roll off I'm confident we'll see some LWFW solutions pop up.
Old 08-12-2019, 01:50 PM
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Jimmy-D
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Regardless if it would work you can kiss any warranty work associated to this Mod good bye especially since he warned everyone upfront.
Old 08-12-2019, 01:51 PM
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GrantG
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New stiffer crankshaft is said to transfer vibrations enough to damage main bearings....
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Old 08-12-2019, 01:58 PM
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Jbravo23
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Thought about this until I saw the above mentioned video.
Old 08-12-2019, 02:01 PM
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Petevb
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There are people trying it, very light flywheels (lighter than Porsche’s solution) my be survivable. That said I would not want to risk it without lots of data.

A better solution in my opinion is the lighter dual mass flywheel that Porsche debuted in the Speedster. I may look at fitting one...
Old 08-12-2019, 02:16 PM
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Jrtaylor9
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Good idea for any of the manual-3's.
Old 08-12-2019, 02:21 PM
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unotaz
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Sure, it's lighter......by 80g

I'm not sure if will be worth the hassle. It still won't give you the sound of a true SMFW.

Originally Posted by Petevb
There are people trying it, very light flywheels (lighter than Porsche’s solution) my be survivable. That said I would not want to risk it without lots of data.

A better solution in my opinion is the lighter dual mass flywheel that Porsche debuted in the Speedster. I may look at fitting one...
Old 08-12-2019, 02:38 PM
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GrantG
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Originally Posted by unotaz
It still won't give you the sound of a true SMFW.
Who wants a SMFW for the coffee can full of coins sound? I would be thrilled with a silent flywheel that has the low inertia of a SMFW, as I suspect most would.
Old 08-12-2019, 02:39 PM
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mooty
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I find it fascinating
if it came with LWFW peechee...
if not, no biggie
LWFW MAKE NOISE NOT SPEED
I coached many ppl on track most ppl's feet are just too slow to benefit fo LWFW
by the time you blipped and shifted, RPM dropped so much it wont be smooth.
my suggestion to my student is put the heavy flywheel on.
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Old 08-12-2019, 05:53 PM
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evilfij
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I may not be as fast, but autoblip might be. Also, weight saving alone could be worth it especially if you are doing a clutch. Do tell about the speedster lighter flywheel?
Old 08-12-2019, 06:38 PM
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Jrtaylor9
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Heavier flywheel definitely hangs up the rpms longer but doesn't it also make it a little harder to blip? I agree something as lw as CGT flywheel can make it challenging to be fast enough. But seems like my 997 Rs LWFW are easier to rev match than 991 with the dual mass. Feels like you can literally just tap the throttle on 997 LWFW to get th desired blip but 991 takes pushing the throttle in a fair bit more deliberately?


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