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03-03-2009 05:57 PM #1
What should I do for my autocross setup this year?
Hi, I just recently found this forum. I hope you can help me with my dilemma. I have been autocrossing for 10+ years and I recently moved from a highly prepared Miata to a highly volatile e46 M3 Convertible. Mainly because I needed the back seats for the new kids and I enjoy racing with the top down too much to get a coupe, so this as the best compromise with my SO...
I have driven the e46 M3 Vert for two seasons now. The first year I drove it completely stock, that was a huge change from my Miata... Last year I added UUC swaybars and that tamed the side to side lateral body roll a lot.
This season I am going to move up one class in my clubs points based system.
I miss my double adjustable dampers that I had on my Miata. My M3 bucks and dives way too much on acceleration and braking and I think a good set of DA dampers can help control that and help me speed up the weight transfer of this beast.
The problem is that with my clubs points system I only have enough room to add either Shocks and Springs without Camber Plates OR Shocks and Camber Plates with OEM Springs...
I cannot add all three or it pushes my car up two classes, and I don't want to do that.
So the question comes down to which would be better for autocross with my DA dampers with Stiffer aftermarket Springs or Camber Plates?
The surface we race on is pretty smooth concrete.
Can I get enough camber in front from lowering the car down an inch all around to 13.5F/13.0R with aftermarket springs?
Can I get enough camber with OEM springs and aftermarket (probably Volshlag) camber plates?
03-04-2009 12:41 AM #2
- Sunnyvale, CA, United StatesMember No: 24397
- Join Date
- Jan 2002
- Rep Power
Lowering doesn't buy you much.
You can, however, swap the strut hat's left to right (and give them both a 60 degree turn). There used to be a DIY, but it is gone now. They will only fit in one way to give more camber. Technically still stock, but it will NOT be at stock settings (do your club rules specify stock equipment, or stock settings?). That can give you a degree or more camber.
Also Madrussian has some good DIY.
Another Camber adjustment
If you are allowed to stay stock on parts, and make adjustments outside of stock range without it counting against you in the rule book, then this might allow you to get adjustable shocks and new springs.
03-04-2009 03:06 AM #3
03-05-2009 01:50 AM #4
03-07-2009 11:26 AM #5
03-09-2009 12:16 PM #6
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