Alignment requirement
Thread Starter
Burning Brakes
Joined: Aug 2014
Posts: 1,078
Likes: 226
From: San Diego
Alignment requirement
I lowered my Z07 the other day on the stock bolts and was wondering whether one should do an alignment.
Also, I thought I heard something about a free alignment. My dealer was not aware of this. Any feedback would be appreciated
Also, I thought I heard something about a free alignment. My dealer was not aware of this. Any feedback would be appreciated
Burning Brakes
Joined: Jan 2015
Posts: 811
Likes: 177
From: Virginia
Unfortunately yes, theoretically you're shortening the tie rods which will result in toe in & also putting more angle in the tie rods as well which will change bump steer....
Heel & Toe
Joined: Aug 2014
Posts: 21
Likes: 5
From: Miami FL
I had mine lowered on the stock bolts, the alignment was out and the dealership is now saying that because of the changed geometry they cannot set the car to the track settings recommended in the owners manual (they tried and the lowest camber value they could get was -0.5 in the front and -1.0 in the rear). Has anybody else had this issue or is it just the mechanic's incompetence?
Burning Brakes
Joined: Jan 2015
Posts: 811
Likes: 177
From: Virginia
I had mine lowered on the stock bolts, the alignment was out and the dealership is now saying that because of the changed geometry they cannot set the car to the track settings recommended in the owners manual (they tried and the lowest camber value they could get was -0.5 in the front and -1.0 in the rear). Has anybody else had this issue or is it just the mechanic's incompetence?
Burning Brakes
Joined: Sep 2006
Posts: 931
Likes: 96
From: Canyon Country CA
i wonder if this is something you could do yourself. let's say the castor needs to be -2 for the track. using the hash marks on the eccentric washers, you could simply move them to the next line.
this would be a quick and easy way to change between track and steet settings.
this would be a quick and easy way to change between track and steet settings.
Burning Brakes
Joined: Jan 2015
Posts: 811
Likes: 177
From: Virginia
i wonder if this is something you could do yourself. let's say the castor needs to be -2 for the track. using the hash marks on the eccentric washers, you could simply move them to the next line.
this would be a quick and easy way to change between track and steet settings.
this would be a quick and easy way to change between track and steet settings.
Caster/Camber is easy to set, you just have to have a Caster/Camber gauge & a set of turning plates. Newer gauges you don't have to have turning plates.
Bump Steer is a PIA, don't really know how you would set it with the car having the transleaf spring set up. With a coil over setup you just take the coil over out & use a jack to Jack the suspension through its travel with the bump steer gauge bolted up to hub.
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Melting Slicks
Joined: Nov 2005
Posts: 2,074
Likes: 309
If the C7 is anything like the C5 and C6, the front will accept lowering without needing to much, if any adjustment, but the back end toe will need to be reset. Lowering will cause the toe to go "toe out" in the back and can make the handling a bit scary. The static camber should be more negative after lowering.