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Was just thinking about this today. Would anyone here be interested in a AWD version of the Cayman a la Carrera 4/4S? Would there be any benefit to adding AWD to the Cayman?
My 996 turbo had AWD, and for a car with a rear-mounted engine with that kind of HP and even more torque (425#) it does make sense, but it also made the car a little strange to drive in competition because of the way it shifted the drive between wheels that had grip and wheels that didn't.
I also read someplace that because of the mid-chassis motor placement, it would be mechanically very difficult to do an AWD Cayman or Boxster.
I'm not a car expert, but why do you need 400+HP for AWD to make sense? Many cars today have AWD and they don't have 400+HP: Subaru, Suzuki, BMW, etc. You know...coupes and sedans alike. I thought they offered some performance improvements over their 2WD counterparts.
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2006 Porsche Cayman S, Lapis Blue
I think the added weight would do more harm than good. Just gimme a LSD, and I'll be happy!
LSD - Limited Slip Differential
A limited slip differential (LSD) is a modified or derived type of differential gear arrangement that allows for some difference in rotational velocity of the output shafts, but does not allow the difference in speed to increase beyond a preset amount. In an automobile, such limited slip differentials are sometimes used in place of a standard differential, where they convey certain dynamic advantages, at the expense of greater complexity.
The main advantage of a limited slip differential is found by considering the case of a standard (or "open") differential where one wheel has no contact with the ground at all. In such a case, the contacting wheel will remain stationary, and the non-contacting wheel will rotate freely– the torque transmitted will be equal at both wheels, but will not exceed the threshold of torque needed to move the vehicle, thus the vehicle will remain stationary. In everyday use on typical roads, such a situation is very unlikely, and so a normal differential suffices. For more demanding use however, such as driving off-road, or for high performance vehicles, such a state of affairs is undesirable, and the LSD can be employed to deal with it. By limiting the velocity difference between a pair of driven wheels, useful torque can be transmitted as long as there is some friction available on at least one of the wheels.
To see the installation of a LSD style unit Click Here -> Article Forthcoming Stay Tuned
Nine. 4WD is best employed in snow or to overcome weight distribution problems. With the engine amidship, it is really not necessary. For snow, drive your Cayenne. Better yet, light a fire and stay home.
It would be very hard to engineer as you have to run the drive for the front wheels either around or under the engine. Around would intrude into the passenger space and under would raise the ride height which would hurt handling. It will never bee done unless you go for a electric or hydraulic hybrid and run the front wheels with motors.
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Is that 35mph corner 45, 55 or a ..... corner?
You can't do it, the engine is pointing the WRONG way.
However, not to say there won't be one..............If Cayman went Hybrid...Battery pack in the front eletric power to the front wheels petrol to the rear.
