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Old 08-24-2001, 01:48 AM   #1
jes
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Member#: 8394
Join Date: Jul 2001
Location: Silicon Valley, CA
Exclamation Legacy GT alignment

I took my 1998 Legacy GT in for an alignment today because:
1) inside right front wear
2) understeer

This is a reliable shop run by racers that does race car and autox setups... What surprised me was the feedback I got. It seems all tires were worn more on the inside than the outside. The reason explained that the factory camber spec does not take into account the optional tires and wheels on the GT. The result it too much negative camber. There was also significant variation from left to right on all settings...

I assume the sedans may be even worse since it's spec is -1 degree camber on the rear.

As far as the understeer goes, I've done all I can with the alignment (which will have little effect) and adjusting the tire pressure. If I want less understeer, I have to look at the rear bar...
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Old 08-24-2001, 10:27 AM   #2
Patrick Olsen
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Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
Vehicle:
1997 Legacy 2.5GT
QuickSilver Metallic

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Understeer is not due to alignment problems, understeer is due to the fact you're driving a production car built for the American public. If you really screw with toe at each end of the car you can make the car more neutral or even tail-happy, but if you're already worried about uneven tire wear then lots of toe is not a good idea. Other than that, the easiest way to adjust the cornering attitude of the is to add a bigger rear sway bar - you'll like it, trust me!

As for the shops comments about "too much negative camber from the factory" I beg to differ. Even with the adjustments maxed out up front I could only get like -1.2deg, and the rear is fixed at somewhere between -0.75 and -1.0deg. With the DMS Golds, now I run -2.25deg up front and -1.66deg in the rear, and my tire wear is pretty even on the inner and outer shoulders. Extended highway driving with these specs is not a good idea, but my normal driving (pretty even mix of highway and backroads) works out fine.

Perhaps someone isn't driving his car hard enough?

Pat Olsen
'97 Legacy 2.5GT sedan
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Old 08-24-2001, 10:41 AM   #3
froggert
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Member#: 768
Join Date: Jan 2000
Chapter/Region: Tri-State
Location: nj
Vehicle:
OB, legacy, 911,
ram 1500, 1098s, m620

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jes, just curious. do you have the before and after alignment specs? i've been running -1.5 degree of camber up front and zero toe and noticibly wearing the outer edges.

pat - how did you get that much negative camber in the back, camber bolts or some other way?
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Old 08-24-2001, 12:56 PM   #4
Patrick Olsen
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Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
Vehicle:
1997 Legacy 2.5GT
QuickSilver Metallic

Default

The top strut mounting hole on the rear Golds is enlarged, and accepts one of three different offset washers. I actually have the smallest offset - you can get washers with about twice as much I think.

Pat
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