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alignment setting for road racing [3]

Old 07-11-02, 02:19 AM
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alignment setting for road racing [3]

a recent "off track excursion" at thunderhill has left me in need of an alignment. just curious what others are running, especially in camber front and rear.

running a fd with 245/17 front and 265 rear. GAB shocks/M2 coilover/RB swaybars. corner weighed. near stock ride height.

tia
fabian
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Old 07-11-02, 04:19 PM
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No help on 3rd gens, but I"m running -2.5* cam, +6* cas, 0 toe up front, and -1.0 cam, 0 toe in back..
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Old 07-11-02, 08:28 PM
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I have always used the Pettit recommendations on their site. They have settings for various wheel sizes and types of driving.

-Mark
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Old 07-12-02, 05:56 PM
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Re: alignment setting for road racing [3]

Originally posted by foko
a recent "off track excursion" at thunderhill has left me in need of an alignment. just curious what others are running, especially in camber front and rear.

running a fd with 245/17 front and 265 rear. GAB shocks/M2 coilover/RB swaybars. corner weighed. near stock ride height.

tia
fabian
Fabian,

I've some alignment suggestions on my website:
http://www.purplemantis.com/RX-7/gab_super_r.htm. I recommend keeping toe at zero, particularly if you drive you car on the street.

I use M2's suggestions with 18s to good effect.

Gene
www.purplemantis.com
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Old 07-14-02, 11:46 PM
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thanks guys!!

fabian
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Old 07-15-02, 02:09 PM
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I'd ask what's your driving style? If you're comfortable with the rear stepping out a bit, then I would recommend being more aggressive with the alignment. If you tend to over-react when the car oversteers, then I'd say be a little more conservative.

Pettit's website is a little conservative, if you ask me. They recommend 1/16" toe out (F) for autocross ... if you're really competitive, you'd want something more aggressive; like 1/8" toe out (F). If I had your setup and my FD was strictly a track car, this is what I would run:

Toe: 1/8" out (F), 1/32" in (R)
Camber: -2.2 (F), -2.0 (R)
Caster: +5.5 - 6.0

If your FD is street driven, you might want to back off the toe out.
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Old 07-15-02, 03:23 PM
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Have you checked Pettit Racing's website? They have a section that gives you alignments settings for road racing. www.pettitracing.com
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