Originally posted by: Marshallj
Originally posted by: MachFive
Fact: The extra weight on the powered wheels allows greater friction between the tires and the road, increasing power transfer there as well.
This is completely incorrect.
Power transfer is used for accelerating a vehicle. When you accelerate, the weight distribution shifts to the rear. Hence, having power at the rear wheels is a benefit. The faster you accelerate, the more weight falls on the rear wheels. This is why front wheel drive cars peel out so easily, because the weight is shifting onto the rear of the car.
It's a temporary weight transfer, caused by the shifting of the center of gravity due to the alignment of the vehicle, and the greater amount of weight is still on the front wheels. This effect can be negated, if desired, by stiffening up the rear suspension.
This weight transfer is only an issue at the starting gate. And since people don't drag race 24/7, it's not freaking relevant to a daily driver, who's slipping and sliding along on snow and ice covered roads in his butt-ugly 4th gen Camaro.