Quote:
Originally Posted by j.fro
From what I understand, in a hard turn the force causes the strut towers to move away from each other, leading to loss of negative camber. This is particularly strong on the outside tire, which needs all the negative camber it can get to prevent rolling onto the side wall. The brace keeps the towers from spreading, preserving the negative camber.
On my car, before I had the brace, I noticed that the "caulking" around the strut towers was beginning to crack. Since I've had the brace, the cracking has not worsened.
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Interesting anacdotal evidence but I just looked at my SpecBox and mine (which I'm sure takes a greater beating than any street car) has no cracked caulk. Nor does my GT3 or my 01 996. The 996 was a club racer for 2 years without a full cage (in the days when that legal).