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Originally Posted by ttrider  This spoiler that i plan to use is a Porsche rear deck spoiler, which is wider and will sit 4 to 5 more inches of the back of the deck lid. And as far as the stability issue's, more surface more down force. Thank's sir and you stay cool as well.  |
If you add too much downforce on the rear, you will have a too light front at higher speed. When Porsche adds a bigger spoiler to its 911 (say a GT3, or back the 930), it also adds a bigger front spoiler and a lip under it to add downforce on the front too and keep the balance of the car... That is why I say that i wouldn't touch it on a car that is quite sensitive on that aspect.
If you have friends with racing backgrounds they must know what they do however.
