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120 HP/Liter is all I ask
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964/ 997 GT3 RS Flywheel Comparison
The latest GT3 RS has a lightened version of the 964 RS single mass flywheel, part number 964.102.239.81 which weighs 8.2 pounds
Up to now GT3's equipped with a single mass flywheel (Cup, Clubsport and RS) have used the same flywheel as a 964 RS, part number 964.102.239.31 which weighs 11 pounds. This may be of interest to those who are contemplating what flywheel to use on their 964. I suspect this lighter flywheel will compound the idle issues 964's have with a light flywheel though. With Carbs or alternative FI it would be cool though. Late development, I have been told this light flywheel ".81" part number is the same as 2005 and later 996 Cup racing cars.     
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"It all started when I began looking around and just could not find my dream car. So I decided to build it myself” - Ferry Porsche Last edited by Cupcar; 10-21-2010 at 02:39 PM.. |
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10-21-2010, 01:47 PM
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Registered
Join Date: Oct 2003
Location: London Ont Canada
Posts: 3,120
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If I use the 31 flywheel will a clutch from a 996 GT2/3 work on my 993
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1980 911 SC 3.6 coupe sold 1995 993 coupe 1966 Mustang Shelby clone 1964 Corvair Spyder Turbo gone 2012 Boss 302 |
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10-21-2010, 07:11 PM
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120 HP/Liter is all I ask
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I currently have a .31 flywheel up against a 993 6 speed using a 993 Turbo/3.8 RSR plate and a 993 RS disc and it works fine. I suspect the GT2 unit would work as well.
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"It all started when I began looking around and just could not find my dream car. So I decided to build it myself” - Ferry Porsche |
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10-22-2010, 11:28 AM
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Manassas, VA
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I have the turbo version of the RS single mass flywheel (12 lb), it replaced a perfectly good dual mass flywheel (30 lb) during an engine overhaul. Do you want to buy my dual mass flywheel?
Seriously. Best improvement I have made on my car. No issues at all. Thanks, Mark
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1991 964 Polar Silver Metallic Turbo Coupe |
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10-25-2010, 05:48 AM
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1991 Porsche 964 Turbo 3.3L
