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-   -   BDR Ride Height & Alignment? (http://www.clubcobra.com/forums/backdraft-racing/49814-bdr-ride-height-alignment.html)

Cobra75 01-28-2004 08:52 AM

BDR Ride Height & Alignment?
 
The manual that came with the Roadster suggests some BMW alignment settings. But there is no mention of the ride height. Using the 15" tire/wheel combination, and assuming mostly street (vs track) use, what is the preferred front and rear ride heights? Also, please indicate where on the frame you are taking these measurements.

Is everyone using the BMW alignment specs, or have you found better settings?

Finally, has anyone experienced any coil spring "settling" after they set up the suspension originally?

Thanks in advance.

Boudy 01-28-2004 09:00 AM

The changes we suggest for the alignment are as follows. If you intend racing the car please contact your dealer to get a different spec.
1. Rear Camber to be set between 0 and -0.7
2. Rear toe to be set at 0.25(Toe in as far as spec allows)
3. Front toe to be set at 0.22(Toe in as far as spec allows)

Ride height is preference. Two fingers on the front wheels works well and you may want to pick up the rear a little. The rear of some of the cars has softer springs than the newest cars.(I don't know the build number deviding line) If you have softer springs, a pair of coil-over shocks to replace the stock rear units is a perfect fix. You'll never really notice unless your under hard acceleration and hit a big bump, then is bottems out.

Boudy

Cobra75 01-28-2004 09:19 AM

Thanks Boudy,

The car I'm working on is #101 (Farhood's)

Do you know what "two fingers" translates to inches at the frame?
I assume that your camber # is in ° degrees, and toe is in inches?

Boudy 01-28-2004 09:34 AM

Sorry, I don't know the frame height. I'll measure it when I get into the shop tonight.

Yes on degrees and inches.

Robert

Cobra75 01-28-2004 08:06 PM

Sorry...more questions:
Is the front camber also 0 to -7°? This is quite a range & I can't imagine a street car having over -2° or -3°.
Is caster adjustable front or rear?
Thanks again for the advice.

Cobra75 01-29-2004 04:29 PM

BOUDY,
Thank you for the specs.


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