Alignment question
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Joined: Nov 2011
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From: British Columbia
Alignment question
Are the alignment setup specs different for a 2005 with Z51 suspension compared to a non Z51? I did try searching for threads but didnt find any. Excuse my naivety with this as I am in my first year of ownership and am trying to keep on top of any and all maintenance issues with the car.
Cheers
Sorry thought I was posting this under Tech & Perf
Cheers
Sorry thought I was posting this under Tech & Perf
Last edited by driver71; Aug 8, 2012 at 12:12 AM.
Team Owner
Joined: Sep 2000
Posts: 25,033
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From: Far NW 'burbs of Chicago
St. Jude Donor '13
If there is any difference in alignment specs between the Z51 and base cars, it will be fairly small. And you can use what YOU want anyway.
Many people use the Pfadt Street specs (use the Search feature to get a copy if no one posts them for you), and use the slight amount of toe-IN they recommend also. I use them and am happy.
Those specs are very precise and within the very broad GM specs, so you won't hurt anything.
Just find someone who will set the numbers accurately, not +/- a foot.
Many people use the Pfadt Street specs (use the Search feature to get a copy if no one posts them for you), and use the slight amount of toe-IN they recommend also. I use them and am happy.
Those specs are very precise and within the very broad GM specs, so you won't hurt anything.
Just find someone who will set the numbers accurately, not +/- a foot.
Racer
Joined: Apr 2006
Posts: 486
Likes: 2
From: The Villages FL
All allignment specs. are the same for F55, F51 and base. The only difference is Z06 camber front and rear which is -1.00 degree instead of -0.45 degree. For least tire wear, toe frt&rr should be +0.02 degree with frt camber at -0.2 degree and rear camber at -0.1 degree. Unlike factory specs, there is no +/- values on the above.
Team Owner
Joined: Sep 2000
Posts: 25,033
Likes: 2,722
From: Far NW 'burbs of Chicago
St. Jude Donor '13
All allignment specs. are the same for F55, F51 and base. The only difference is Z06 camber front and rear which is -1.00 degree instead of -0.45 degree. For least tire wear, toe frt&rr should be +0.02 degree with frt camber at -0.2 degree and rear camber at -0.1 degree. Unlike factory specs, there is no +/- values on the above.
The Pfadt camber numbers are more than what you show, but still within the very broad GM specs. I've had good tire wear with negative camber according to Pfadt, but I corner the car hard. A gentle driver might be better off with less negative camber.
Pro
Joined: Oct 2007
Posts: 679
Likes: 4
From: TremontonUT UT
All allignment specs. are the same for F55, F51 and base. The only difference is Z06 camber front and rear which is -1.00 degree instead of -0.45 degree. For least tire wear, toe frt&rr should be +0.02 degree with frt camber at -0.2 degree and rear camber at -0.1 degree. Unlike factory specs, there is no +/- values on the above.
Last edited by fnsblum; Aug 8, 2012 at 10:27 PM.
Racer
Joined: Apr 2006
Posts: 486
Likes: 2
From: The Villages FL
Agree, but for some reason Pfadt shows toe-In as a "-" number. You definitely want toe-in, not toe out.
The Pfadt camber numbers are more than what you show, but still within the very broad GM specs. I've had good tire wear with negative camber according to Pfadt, but I corner the car hard. A gentle driver might be better off with less negative camber.
The Pfadt camber numbers are more than what you show, but still within the very broad GM specs. I've had good tire wear with negative camber according to Pfadt, but I corner the car hard. A gentle driver might be better off with less negative camber.
Team Owner
Joined: Sep 2000
Posts: 25,033
Likes: 2,722
From: Far NW 'burbs of Chicago
St. Jude Donor '13
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