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DMS coilovers

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Old Sep 9, 2003 | 10:43 AM
  #2  
dropkick_muppet's Avatar
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From: your friendly neighborhood hairpin
Car Info: '03 PSM Sedan
i'd start here:

http://lachutesubaru.com/
Old Sep 10, 2003 | 08:19 AM
  #3  
chrisw's Avatar
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From: keep santa cruz weird
Car Info: 2003 blue EVO
Are they rubbing in the rear? If the answer is yes, then you need to switch the washers in the rear.

I recommend using the black washers at full positive camber. That should solve the rubbing problem.

If you need the washers, go up to lachute subaru
Old Sep 10, 2003 | 12:46 PM
  #5  
chrisw's Avatar
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From: keep santa cruz weird
Car Info: 2003 blue EVO
On the rear struts there are washers that set the rear camber. the washers are located on the upper bolt connecting the strut to the rear hub. These washers are offset a bit to allow camber adjustment. If you look carefully, you can check the color. Different colors, different amounts of camber.

If the washer is black, you have either -1.8 degrees camber (max negative camber, offset closest to the strut) or -0.5 degrees camber (max positive camber, offset towards the wheel)

If the washer is gold, you have either -1.5 or -1.0

Your wheel offset is also important. I have used a 225/50/16 on the stock rim, but needed to use the black washer at max positive camber because of the clearance issues.

With my 17" rims (rota sub-zeros +48mm offset) I have been able to run a maximum rear camber of -1.5 with a 235/40/17. that was using the gold washer at max negative camber.

With sticky tires the -1.5 camber was causing bad understeer problems so I now run the black washer at max positive camber for a setting of -0.5 degrees in back. The front I run at -2.0 and this creates an excellent balence to the car. With this base alignment, if you need the back end of the car a bit looser, add some toe-out or increase the rebound. If you need better turnin, add toe-out to the front or decrease the rebound...

To make sure your struts are properly setup, you need to make sure the ride height is correct. The DMS 40's can't be run lower than 360mm measured from the lip of the fender to the center of the wheel. To raise/lower the ride height by adjusting the lower spring perch. The higher you raise the car, the more spring preload you will add which implies that you have to adjust the rebound to compensate.

The adjuster tool can be bought from a DMS vendor. I guess you could use

If you need more help, feel free to send me a PM and I will try to help further.

When I get home later this afternoon, I promise to post a couple of pics that should help you solve this problem.
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