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Old 06-07-2012, 05:49 AM   #1
taosracer
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Member#: 131108
Join Date: Nov 2006
Chapter/Region: NESIC
Location: the DRS zone
Vehicle:
2002 TS/WRX wagon
Blue ridge pearl

Default Actual alignment specs from BRZ

I got my car on the alignment rack today (hunter) and got the factory set specs. There is a distinct lack of -camber up front and and the "right" amount in the r/r only. I'm guessing that the difference from the l/r is somehow supposed to counter road crown.

I'm surprised how much my weight affects the static alignment specs, as I though it was sprung stiffer. The top printout is from the car empty and the bottom with me in it. I'll be using either concentric bolts or plates to get camber adjustment in the fronts, and will equal out the rear. I prefer zero cross/camber and zero cross caster, both front and rear, with zero toe in front and a touch of toe-in in the rear for braking stability.

I've got some inquiries out to see if anyone is developing a camber plate. I will be checking to see if the old Noltec camber/caster plates I have on my wagon will fit. I remember reading somewhere that the top hats are the same parts # as Impreza, but haven't been able to find it.

Still searching, guess I'll find out for myself if I can get a rain free evening to work on it.
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Old 06-08-2012, 01:43 AM   #2
taosracer
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Join Date: Nov 2006
Chapter/Region: NESIC
Location: the DRS zone
Vehicle:
2002 TS/WRX wagon
Blue ridge pearl

Default

Update....

Part # for the BRZ front strut mount (top) is 20320AA111 which comes up in online part searches as the mount for Impreza and Forester, including WRX. This tells me that camber/caster plates already made will fit the BRZ.

Why am I so interested to know this ? Well.....automakers engineer initial under steer tendencies into all new cars so that the "average" driver doesn't get into trouble in slippery situations. Push, as it's known, is not exactly the fastest way to turn in.

While the BRZ doesn't under steer as much as say, a WRX or any other AWD car, it does "push" at turn in. Being rear wheel drive, it rotates much easier with throttle application, but this doesn't allow carrying as much speed into corner entry.

From looking at the stock alignment specs, it's apparent that the BRZ engineer's solution to create under steer is to eliminate negative camber up front (no concentric adjustment) By adding negative camber up front the outside tire will maintain a larger contact patch at turn in thus achieving more grip, curing the under steer.

Concentric bolts first and then camber/ caster plates with a proper alignment will be my first mods to the suspension.
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Old 06-08-2012, 11:07 PM   #3
Splash
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Join Date: Feb 2004
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Location: Columbus, OH
Vehicle:
04 WRX STi
PSM

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GD camber plates should have the correct orientation.
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Old 06-10-2012, 02:56 AM   #4
Scooby South
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Join Date: Sep 1999
Chapter/Region: MWSOC
Location: 2013 Limited SWP BRZ and a
Vehicle:
99 Ver6 Recreation
JDM Speedwagon 3 LSDs..:)

Default

Heres mine from tonite....very interesting for sure

Interesting tho is the Stock alignment settings..
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