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Grand Sport pfadt alignment on c6 grand sport

For discussions related to a Grand Sport Corvette.

danno1400i

Active member
Joined
Aug 9, 2015
Messages
41
Location
hiram,ohio
Corvette
2011 grand sport arctic white
:)had my car aligned to the pfadt racing specs I read about for good tire wear, but It seems to wander. has anyone else experienced this?
 

danno1400i

Active member
Joined
Aug 9, 2015
Messages
41
Location
hiram,ohio
Corvette
2011 grand sport arctic white
pfadt align

I had the specs and had it done at a chevy dealer. gave them the specific for daily driver. and have the report in hand.
 

Toms007

Moderator
Joined
Sep 24, 2004
Messages
6,408
Location
Southwest Kansas
Corvette
2007 Atomic Orange Coupe
Well, mine isn't a GS or Z, but, I think, those are the specs (performance street) I used and don't have any wandering.
 

danno1400i

Active member
Joined
Aug 9, 2015
Messages
41
Location
hiram,ohio
Corvette
2011 grand sport arctic white
pfadt

time for service, so I will take it to another dealer, and have it checked out
 

GS Diva

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Joined
Nov 1, 2000
Messages
2,309
Location
Conway, SC
Corvette
2016 Daytona Sunrise Orange Metallic Z06
I had the specs and had it done at a chevy dealer. gave them the specific for daily driver. and have the report in hand.


I don't see any specs for Daily Driver??

Elaine
 

Zrracer

New member
Joined
Oct 23, 2016
Messages
3
Location
Fl
Corvette
LPE bodied zr1, callaway c6 tc challenge vette.
It just may be that without all the camber the car will wander. If u went below gm camber spec. That is what is causing the problem.
easy fix.
:thumb
 

catbert

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Joined
Aug 26, 2004
Messages
3,487
Location
Tobacco Road, NC
I took out the camber on all my C6s after I stopped doing track days, and did the same for the Stingray. It handles fine on the street without the negative camber. It doesn't roam, plow or oversteer. The tires lasted an easy 25K miles on the C6s. The avatar pic under my name was taken at VIR with zeroed camber. Still did everything a Vette should do.
 
Last edited:

Zrracer

New member
Joined
Oct 23, 2016
Messages
3
Location
Fl
Corvette
LPE bodied zr1, callaway c6 tc challenge vette.
Now I wonder why all race cars are concerned about camber.
;LOL
 

mikeCsix

New member
Joined
Dec 11, 2011
Messages
4
Location
Mill Creek, Wa
Corvette
2012 Crystal Red Metallic Grand Sport
I don't see any specs for Daily Driver??

Elaine

The pfadt street specs are basically same as factory with tighter tolerances. The alignment tech will pull up the specs for your car and will typically adjust until he sees green boxes for all 4 corners. The factory specs are quite wide for tolerance, hence the varying tire wear issues people claim. The pfadt specs are closer in tolerance, the additional camber on the more aggressive alignments won't hurt tire wear nearly as much as toe settings. Since I track my car, I set the camber more aggressively but with 0 toe in front and slightly negative in rear (less than 1/8th total toe-in).

The combination of wide tires, square shouldered tires, and stiff walled tires all contribute more towards wandering on the freeway than alignment settings do. My settings help minimize wandering but also give good track performance, and you still have to pay attention when driving.
 

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