Alignment Specs Help.
Thread Starter
Burning Brakes
Joined: May 2013
Posts: 930
Likes: 84
From: San Jose CA
Alignment Specs Help.
Hi All, I have an 05 base I just put z51 bars on and it has the F55 suspension. I was going to use PFADTs website for performance street alignment but their toe range for both fronts and rears seems huge. I daily drive the vette but also do a few auto crosses and live off a mountain winding road so it sees frequent twisties. What front and rear toe settings do you like?
Race Director
Joined: Oct 2005
Posts: 14,999
Likes: 200
From: Bay Area Ca.
I have always heard keeping toe near 0 is the best. Total inder .05, for the front and the rear even less.
If you do see a lot of turns and at some speed the camber will be fine it is the toe that will cross scrub for tire wear.
I run the Pfadt street spec to the tee and all is wearing evenly at 30 lbs cold. My toe is total .03 front and zero in the rear as best as I can recall.
If you do see a lot of turns and at some speed the camber will be fine it is the toe that will cross scrub for tire wear.
I run the Pfadt street spec to the tee and all is wearing evenly at 30 lbs cold. My toe is total .03 front and zero in the rear as best as I can recall.
Drifting
Joined: Jul 2011
Posts: 1,826
Likes: 444
From: Boca Raton Florida
Originally Posted by Boomer111
I have always heard keeping toe near 0 is the best. Total inder .05, for the front and the rear even less.
If you do see a lot of turns and at some speed the camber will be fine it is the toe that will cross scrub for tire wear.
I run the Pfadt street spec to the tee and all is wearing evenly at 30 lbs cold. My toe is total .03 front and zero in the rear as best as I can recall.
If you do see a lot of turns and at some speed the camber will be fine it is the toe that will cross scrub for tire wear.
I run the Pfadt street spec to the tee and all is wearing evenly at 30 lbs cold. My toe is total .03 front and zero in the rear as best as I can recall.
Racer
Joined: Jan 2010
Posts: 289
Likes: 13
From: San Jose CA
Total toe: Chevrolet specs front 0.10+ 0.20 degrees.
Rear 0.00 + 0.20 degrees
Pfadt Street Specs: Total Toe Front MIN 0.17 Max 0.0 degrees Rear MIN 0.17 Max 0.0 degrees.
Obviously stricter tolerances in the Pfadt spec, but still within the Chevrolet range.
Rear 0.00 + 0.20 degrees
Pfadt Street Specs: Total Toe Front MIN 0.17 Max 0.0 degrees Rear MIN 0.17 Max 0.0 degrees.
Obviously stricter tolerances in the Pfadt spec, but still within the Chevrolet range.
Advanced
Joined: Jul 2015
Posts: 90
Likes: 25
I always set the toe on any car toward the positive end of the specs (toe in ). It seems to tighten up the steering and it usually has the effect of needing less input to keep the car going straight down the road. I used the Pfadt street specs on mine except for the toe. Pfadt recommends 1/16" (.29 degrees) negative, I set mine to .1 degrees positive. This is the factory toe setting.
Drifting
Joined: Jun 2015
Posts: 1,372
Likes: 53
Damm these threads constantly come up. Just get a good wheel alignment guy who knows what he is doing with a Hunter machine and have him set the specs dead center of what the factory calls for and be done with it. I'm on my third C6 this one a 13' GS and have never used anything but the factory specs set dead center. Never had a wear or handling issue. I really don't see the constant bickering over specs when they are right in front of you in the form of GM!
Safety Car
Joined: Apr 2004
Posts: 3,996
Likes: 77
From: Louisville KY
Damm these threads constantly come up. Just get a good wheel alignment guy who knows what he is doing with a Hunter machine and have him set the specs dead center of what the factory calls for and be done with it. I'm on my third C6 this one a 13' GS and have never used anything but the factory specs set dead center. Never had a wear or handling issue. I really don't see the constant bickering over specs when they are right in front of you in the form of GM!
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