Wheel Alignment
Thread Starter
Drifting
Joined: Apr 1999
Posts: 1,667
Likes: 54
From: Brisbane CA
Wheel Alignment
Is the alignment spec the same for a Coupe or a Z06? I have lifetime alignment services from Firestone but they would only do factory spec. I would prefer custom spec but they would not do it.
Pro
Joined: May 2013
Posts: 740
Likes: 82
From: MN
I got the lifetime deal from Firestone as well. I got a factory alignment spec sheet and marked it up to show them which end of the (very loose) factory specs I wanted it aligned to. The result is very close to the Pfadt street specs. My guys didn't have any problem with that.
Race Director
Joined: Jan 2008
Posts: 16,027
Likes: 169
From: oregon
this was done with me sitting in the car at firestone
also it depends on the firestone you go to, mine will set to any spec i want, and, like i said, lets me sit in the car while they align it. this is useful for keeping specs straight.
if you're not in the car, those numbers all go out the window when you sit in it
also it depends on the firestone you go to, mine will set to any spec i want, and, like i said, lets me sit in the car while they align it. this is useful for keeping specs straight.
if you're not in the car, those numbers all go out the window when you sit in it
Melting Slicks
Joined: Jul 2004
Posts: 3,092
Likes: 120
From: orlando florida
St. Jude Donor '15
https://www.corvetteforum.com/wheels...-corvette.html
I posted all factory alignment specs here. Should be a sticky but it's not
I posted all factory alignment specs here. Should be a sticky but it's not
Last edited by mrr23; Nov 17, 2014 at 08:12 AM.
Melting Slicks
Joined: Jul 2004
Posts: 3,092
Likes: 120
From: orlando florida
St. Jude Donor '15
this was done with me sitting in the car at firestone
also it depends on the firestone you go to, mine will set to any spec i want, and, like i said, lets me sit in the car while they align it. this is useful for keeping specs straight.
if you're not in the car, those numbers all go out the window when you sit in it
also it depends on the firestone you go to, mine will set to any spec i want, and, like i said, lets me sit in the car while they align it. this is useful for keeping specs straight.
if you're not in the car, those numbers all go out the window when you sit in it
Did you ever compare with you out of car? Specs will change a little or a lot depending on how stiff the springs are. I do both per customer request.
Race Director
Joined: Jan 2008
Posts: 16,027
Likes: 169
From: oregon
Melting Slicks
Joined: Jul 2004
Posts: 3,092
Likes: 120
From: orlando florida
St. Jude Donor '15
I've done it many times at my shop. Performance cars have stiffer springs. Usually only change camber around .05*. Luxury and average type cars can vary around .20-.30* camber.
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Melting Slicks
Joined: Jul 2004
Posts: 3,092
Likes: 120
From: orlando florida
St. Jude Donor '15
Melting Slicks
Joined: Apr 2002
Posts: 2,631
Likes: 2
From: Clever, MO aka SOMO
Hey MRR23.....I've been reading some of these alignment threads before I take my '98 coupe w/F45 suspension in for an alignment this week. I've read of some forums that using shims or some type of washers is not too uncommon if the tech can't get the camber close to -.20 in front. Are they pulling my leg?? Do you use them yourself?
With my F45 shocks, which setting should it be set to before the alignment starts? I'm a big guy 315# and the only guy ever in my '98 and would like to be in the car during the alignment, so I'm trying to find a shop that will let me be in the car.
Thanks in advance......sure wish you were closer to Springfield, Mo this week to do my car!
Dennis
With my F45 shocks, which setting should it be set to before the alignment starts? I'm a big guy 315# and the only guy ever in my '98 and would like to be in the car during the alignment, so I'm trying to find a shop that will let me be in the car.
Thanks in advance......sure wish you were closer to Springfield, Mo this week to do my car!
Dennis
Melting Slicks
Joined: Jul 2004
Posts: 3,092
Likes: 120
From: orlando florida
St. Jude Donor '15
i don't see why they can't get -0.20 camber without having to shim the upper control arm. no i don't use any shims. i use the factory -0.25 camber with no issues.
shock setting has no bearing on the alignment.
car was designed for that camber number. if they can't get it there, then look for bad control arm bushings.
97-2000
front*
camber -0.25* +/- 0.50*
caster 6.50* +/- 0.50*
total toe 0.10* +/- 0.20*
rear
camber -0.25* +/- 0.20*
total toe 0.00* +/- 0.20*
shock setting has no bearing on the alignment.
car was designed for that camber number. if they can't get it there, then look for bad control arm bushings.
97-2000
front*
camber -0.25* +/- 0.50*
caster 6.50* +/- 0.50*
total toe 0.10* +/- 0.20*
rear
camber -0.25* +/- 0.20*
total toe 0.00* +/- 0.20*
Melting Slicks
Joined: Jul 2004
Posts: 3,092
Likes: 120
From: orlando florida
St. Jude Donor '15
Team Owner
Joined: May 2001
Posts: 87,294
Likes: 1,579
From: Western NY
this was done with me sitting in the car at firestone
also it depends on the firestone you go to, mine will set to any spec i want, and, like i said, lets me sit in the car while they align it. this is useful for keeping specs straight.
if you're not in the car, those numbers all go out the window when you sit in it
also it depends on the firestone you go to, mine will set to any spec i want, and, like i said, lets me sit in the car while they align it. this is useful for keeping specs straight.
if you're not in the car, those numbers all go out the window when you sit in it
Looks like the tech took the extra few minutes to "get it right"!!
Kudos to him!! BUT, I have to ask....how does .02* of toe on each front wheel add up to only .03* total toe, when on the rear, .04* of toe on each wheel add up to .09*.
"New math"??
Burning Brakes
Joined: Mar 2013
Posts: 949
Likes: 34
From: La Junta Colorado
.044 + .044 = .088 rounds to 0.09
It is not new math, it is rounding.
Last edited by 2ooo-C5; Oct 13, 2014 at 10:26 AM.
Burning Brakes
Joined: Mar 2013
Posts: 949
Likes: 34
From: La Junta Colorado
Melting Slicks
Joined: Apr 2002
Posts: 2,631
Likes: 2
From: Clever, MO aka SOMO
Thanks for the info.....I'm looking for the best camber/caster for the best tire wear. I got 50K out of my last set and want that again.
What do I ask for if they won't let me sit in the car? I'm a big guy and seldom ever has a passenger with me.
What do I ask for if they won't let me sit in the car? I'm a big guy and seldom ever has a passenger with me.
i don't see why they can't get -0.20 camber without having to shim the upper control arm. no i don't use any shims. i use the factory -0.25 camber with no issues.
shock setting has no bearing on the alignment.
car was designed for that camber number. if they can't get it there, then look for bad control arm bushings.
97-2000
front*
camber -0.25* +/- 0.50*
caster 6.50* +/- 0.50*
total toe 0.10* +/- 0.20*
rear
camber -0.25* +/- 0.20*
total toe 0.00* +/- 0.20*
shock setting has no bearing on the alignment.
car was designed for that camber number. if they can't get it there, then look for bad control arm bushings.
97-2000
front*
camber -0.25* +/- 0.50*
caster 6.50* +/- 0.50*
total toe 0.10* +/- 0.20*
rear
camber -0.25* +/- 0.20*
total toe 0.00* +/- 0.20*