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Thanks! That's what I thought so....

Anyway the reason why I ask is I plan to upgrade my mk1's flywheel to a single mass flywheel since I'm due to change my clutch. Unfortunately I can't get much info from the service adviser (from the one and only Porsche dealer in the country) since he is quite lazy. I know this modification has been done by numerous gt3 owners, but he insists it can't be done! :blink:

If anyone can give me info on how this mod is done, such as proceedure, the parts I have to replace and part numbers, I would really appreciate it! :)

Thanks and Godspeed!

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The GT3 Mk1 and Mk2 both use the same dual-mass flywheel.

The Cup Cars use a single mass flywheel.

Almost...

The GT3 Mk1 came in 2 versions: Comfort and ClubSport.

The Mk1 Comfort came with a dual mass flywheel.

The Mk1 Clubsport came with a single mass flywheel.

All versions of the Mk2 came with a dual mass flywheel.

The RS came with a single mass flywheel.

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Please explain your conclusion?

Your PET doesn't cover all the car models. The Mk1 was never Federalised for the North American market. I was merely clarifying the difference between the Mk1 CS and Mk1 Comfort - that they had different flywheels as standard.

The Mk2 came as 2 models: Comfort or Clubsport spec. Both had the DMFW.

The 996 GT3 RS (which I don't believe was Federalised for the US either) came with the LWFW.

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I'm not sure what you are saying...

All I see in that picture of your PET is that the "M002" and "M003" both had the DMFW (which is what I said that the Mk2 Comfort and Clubsport both had the DMFW). Your PET doesn't indicate the 1999-2001 Mk1 GT3 which is what I was clarifying for the OP. The 996 GT3 RS definitely came with a LWFW as standard. If you don't believe me, ask any of the 996RS owners here in the UK or feel free to call any of the specialist dealer garages.

Cheers -

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Hi,

It looks like the PET you have does not cover all the models :unsure: . Namely, it doesn't seem to account for the Mk1 Clubsport as a separate model on the 99-01 model years. The PET you have is correct in that it seems to cover (using your interpretation of the '-01') the Mk1 Comfort as having the DMFW, but following that logic the PET also omits the standard Mk2 Comfort model... :unsure: and also the RS... :unsure: what is the M004 "Street" version?

Edited by polarexpress
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  • 2 weeks later...
The Cup flywheel is 964.102.239.80. The one listed above for ClubSport (M003 and M004) cars is 964.102.239.31.

The CS might, as you say, have a different flywheel than the cupcars.

Here is qoute from a british site:

The Clubsport version comes with a bolt-in roll cage, fire extinguisher, bucket seats and single mass flywheel (notice the noise when depressing the clutch whilst stationary).

Emergency cut-off switches, one under the bonnet and one in front of the gear lever. These are for track use only and the external red pull loop is normally stored under the luggage compartment lid.

Found here: http://www.titanic.co.uk/GT3/GT32e.htm

Edit: More info in this buying guide: http://www.parr-uk.co.uk/parr-media/996-gt...-compressed.pdf

Edited by turbo10
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  • Admin

I think you folks are losing site of the original posters question - "Did the mk1 come with a single mass flywheel?" and I think we have shown here the answer is no and yes. No in the standard version and yes in the ClubSport version.

Is this not true?

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...and I think we have shown here the answer is no and yes. No in the standard version and yes in the ClubSport version.

Is this not true?

This pretty much sums it up, yes!

Nice site you guys got here by the way! So much technical info to catch up, that i think I will be busy for the next few days! :thumbup:

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  • 9 months later...
The Cup flywheel is 964.102.239.80. The one listed above for ClubSport (M003 and M004) cars is 964.102.239.31.

The CS might, as you say, have a different flywheel than the cupcars.

Here is qoute from a british site:

The Clubsport version comes with a bolt-in roll cage, fire extinguisher, bucket seats and single mass flywheel (notice the noise when depressing the clutch whilst stationary).

Emergency cut-off switches, one under the bonnet and one in front of the gear lever. These are for track use only and the external red pull loop is normally stored under the luggage compartment lid.

Found here: http://www.titanic.co.uk/GT3/GT32e.htm

Edit: More info in this buying guide: http://www.parr-uk.co.uk/parr-media/996-gt...-compressed.pdf

This is exactly what my MK1 clubsport has

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