Talk:Porsche 997
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[edit] Performance figures
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I'm not sure why the numbers were changed, but I'm correcting them. The 4.0 second 0-60 time for the Carrera S came directly from Car and Driver's road test, so it's not a made up number, and 4.7 seconds for the non-S model is taken from road tests of the outgoing 996, which had the same motor.
I'm re-chaning the accleration numbers AGAIN. Those of you who seem to feel that they're wrong need to consult the Car and Driver road tests before simply reverting to Porsche's factory numbers.
- Is there a reason that we aren't using the factory numbers? In the absence of some authority on performance evaluation (which, despite claims by Car & Driver et al., I don't think exists) then the factory numbers are probably the most relevant ones to post. In the event that they're misleading or flat-out wrong (inflated or deflated, for whatever reason) then it's probably worthwhile to mention that the manufacturer claims a certain value, but that independent tests place the figures elsewhere. --Milkmandan 03:00, July 10, 2005 (UTC)
I generally try not to use Porsche's factory numbers because they are intentionally deflated in order to protect the company from the wrath of poor drivers who would not be able to reproduce the quick times. Car and Driver's test numbers are more accurate, they are recorded using precise digital equipment and under controlled conditions where experienced drivers are at the helm of each car. I prefer to see the C & D test numbers because they are indicitive of the car's actual performance rather than the deflated performance figures provided by the factory. If you would like to add a notation to the artcile about why the numbers here deviate from Porsche's factory figures, please be my guest.
- You have to consider that no number is gonna be correct; acceleration depends on so many things, you can't just say 'this is correct, the others are wrong'. I'd suggest using the factory numbers for consistency, because any magazine's test depends on tires used, surface condition, temperature, type of petrol in the tank, factory specifications, etc. Joffeloff 16:44, 10 March 2006 (UTC)
[edit] 997 GT3's engine weight
Please verify and correct the engine weight stated in the GT3 section. The engine does not weigh 3075 lb (1395 kg); this figure is either a typo or intended originally for the whole car's curb weight. --911fan 02:04, 31 January 2007 (UTC)
The entire car (US version) weighs approximately 3075-3150 pounds depending on options. --Max Power —Preceding unsigned comment added by 68.162.87.191 (talk) 23:27, 27 February 2008 (UTC)
[edit] Maintenance
Would it be reasonable to add a section regarding estimated maintenance fees, frequency of service intervals, and types of service required to keep a new Porsche 997 vehicle in tip top shape? I don't have such information handy however perhaps someone can begin to add it. 68.175.118.95 08:18, 5 May 2007 (UTC)
[edit] Dry / Wet sump?
The technical details section states against all of the 997 engine variants that a dry-sump system is used. This may be because the official Porsche literature state that their non-GT cars (ie Carrera 2, 2S, 4 & 4S) use an "integrated Dry Sump" lubrication system. However, this system appears to be, by definition, a wet sump system. (Dry-sump engines pump oil from the crank case into a reservoir outside of the engine whereas as these engines do not). To be honest I'm not 100% sure whether this is a point of view or fact, but I'm sure that someone with more expertise would be able to judge this. I'd say Porsche market these as "integrated" dry-sump engines to side-step critisism of the 996 wet-sump engines causing oil starvation under hard cornering etc. I believe it's misleading to quote these engines as being dry sump. My first wikipedia contribution so apologies in advance if I've not correctly followed convention - CR 19 Dec 2007 —Preceding unsigned comment added by 193.235.128.1 (talk) 16:25, 19 December 2007 (UTC)
[edit] External links in the text
Please make them formatted citations or don't insert them at all. Squash Racket (talk) 16:19, 9 March 2008 (UTC)
