Want straight acceleration w/o traction control
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Joined: Jul 2019
Posts: 54
Likes: 25
From: Vancouver, British Columbia
Want straight acceleration w/o traction control
I have a 2019 Z06 and when I accelerate (on the street) from low speeds with traction control turned off the back end of the car quickly walks to the right. As we all know there have been a number of guys go off the road from not reacting quickly enough when the rear end starts to pull hard to the right. Is there something that can be done to eliminate this issue? Is this a rear alignment issue? I have seen a number of these cars at the drag strip with traction control turned off and they track straight.
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Joined: Jul 2019
Posts: 54
Likes: 25
From: Vancouver, British Columbia
I am running R888R's and they do not have an affect on the back end from swinging out at low speed, under full throttle and traction control turned off.
Safety Car
Joined: Nov 2011
Posts: 3,714
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From: Norman OK
Have the alignment checked, specifically make sure the alignment shops is capable of and able to adjust the rear caster setting. My 19 C7Z did the exact same thing, it would walk across 2 lanes of the highway on a 40mph hit. Got the alignment fixed and the rear caster setting set to 90° and it stopped all of that nonsense.
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Thread Starter
Advanced
Joined: Jul 2019
Posts: 54
Likes: 25
From: Vancouver, British Columbia
Have the alignment checked, specifically make sure the alignment shops is capable of and able to adjust the rear caster setting. My 19 C7Z did the exact same thing, it would walk across 2 lanes of the highway on a 40mph hit. Got the alignment fixed and the rear caster setting set to 90° and it stopped all of that nonsense.
Burning Brakes
Joined: Mar 2022
Posts: 1,220
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From: Phoenix, Arizona
In addition to pavement crowning, another variable can be air pressure and specifically a difference between right and left. Most Corvette owners are meticulous so likely not a factor here.
Tech Contributor
Joined: Oct 1999
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From: Charlotte, NC (formerly Endicott, NY)
Bill
Safety Car
Joined: Nov 2011
Posts: 3,714
Likes: 343
From: Norman OK
The rear caster spec is 0.0 degrees plus or minus 0.8 degrees. You want as close to 0.0 degrees as you can get on both sides of the car. You also want equal rear camber on each side of the car. Make sure your toe links are fastened tightly and don't have any play in them. Set rear thrust as close to 0.0 degrees as possible.
Bill
Bill
The caster alignment tool will read 90° when set correctly. I have done the alignment twice now, both times the tool showed 90° on the display.. I use the tool that one of the forum members makes for the rear and the digital angle saw blade gauge.