Respectfully...having the engine so far back is a bad thing??? I guess theoretically, yes, but do you know how many sports car races Porsche has won with that really bad thing?? The 911 series has a near perfect 50/50 weight balance...the engine is so relatively light the format works quite well...to say the least.
1)Lay the crack pipe down, 911s do not have 50/50 weight distribution. Below is just an example to show you that you are wrong, I couldn't find a better place with f/r weight specs.
2009 Porsche 911 Review by Kelsey Maysmagazine article said:On the track, the rear-wheel-drive 911's 38/62 percent front/rear weight distribution becomes apparent, but not unruly. There's a smidge of oversteer coming off hard corners, but the tail untucks itself gradually enough that you can wind it back in with minor steering corrections. At its limits, the 911 lacks the tossable neutrality of Porsche's mid-engined Cayman S, but for most drivers in most situations, I suspect the differences are academic.
2)The polar moment of the 911 because of it's engine being in the back is much worse making the car hard to rotate and hard to control once it is rotating.
Porsche makes awesome cars and won races because they have enough engineering to overcome the inferior layout of the 911.