Front end alignment

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Mar 16, 2011 | 08:31 PM

shelleygraham

Thread Starter

Drifting

Joined: Sep 2010

Posts: 1,254

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From: Hudson Valley Area New York

Front end alignment

Can anyone post the pfadt align specs to be adjusted for longer tire threasd wear. Thanks. Did google it but didn't really get anywhere. I just got new tires and I need an alignment and want to adjust it so my tires will last me longer. Thanks.

Mar 16, 2011 | 08:34 PM

RicK T

Team Owner

Joined: Sep 2005

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From: Ventura County, Calif

http://www.pfadtracing.com/docs/camb...t-settings.pdf

FWIW, I don't completely agree with it but what do I know.

Mar 16, 2011 | 08:50 PM

gunterwalker

Melting Slicks

Joined: Oct 2010

Posts: 2,314

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From: Cape May, NJ; Guntersville, AL; Orange Beach, AL

I would tell them you want 0 camber. I would think that would make the tread wear even. I don't know this for sure but it makes sense to me. Personally I would leave it with the "performance" alignment. It handles better.

Mar 16, 2011 | 08:58 PM

shelleygraham

Thread Starter

Drifting

Joined: Sep 2010

Posts: 1,254

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From: Hudson Valley Area New York

Quote:

Originally Posted by gunterwalker

Is the performance alignment factory settings ?

Mar 16, 2011 | 09:01 PM

gunterwalker

Melting Slicks

Joined: Oct 2010

Posts: 2,314

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From: Cape May, NJ; Guntersville, AL; Orange Beach, AL

Quote:

Originally Posted by shelleygraham

Is the performance alignment factory settings ?

From everything I have read up on the factory allignment they do it so the car performs a little better but the tread wears faster. If I didn't drive the car hard I might have it adjusted to get more tread life. If it was my DD I would probably change it so my tires lasted longer.

Edit: You might want to call Pfadt and see what they say. I'm sure they would be very helpful.

Mar 16, 2011 | 09:30 PM

JoesC5

Team Owner

Joined: Sep 1999

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From: Springfield MO

I'm having mine aligned next week when the new tires are installed. I'm 100% street so I'm going with an alignment that will, hopefully, give me maximum tire life.

Front:

camber -0.6 deg
caster 8.0 deg
toe 0.0 inch

Rear:

camber -o.4 deg
toe 0.0 inch

Mar 16, 2011 | 09:32 PM

shelleygraham

Thread Starter

Drifting

Joined: Sep 2010

Posts: 1,254

Likes: 1

From: Hudson Valley Area New York

Quote:

Originally Posted by JoesC5

Thanks hope so !!!

Mar 16, 2011 | 09:41 PM

Kdurgin

Instructor

Joined: Mar 2011

Posts: 151

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From: Scarborough Maine

With exactly zero toe it may want to wander when going straight. I'm surprised it calls for zero.

Last edited by Kdurgin; Mar 16, 2011 at 09:43 PM.

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Mar 16, 2011 | 09:58 PM

shelleygraham

Thread Starter

Drifting

Joined: Sep 2010

Posts: 1,254

Likes: 1

From: Hudson Valley Area New York

Quote:

Originally Posted by Kdurgin

With exactly zero toe it may want to wander when going straight. I'm surprised it calls for zero.

I hope it doesn't. i hate when it pulls.

Mar 16, 2011 | 10:12 PM

#10

Lubrecon

Instructor

Joined: Jan 2011

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From: Houston TX

Factory Specs

I just got the factory service manuals. Alignment depends on which suspension you have, FE1, 2, 3, 4, or 5. I haven't found out which suspension applies to which car, but my guess is the FE1, 2, or 3, apply to the base car and the GS car. FE4, and 5, probably apply to the Z06 and the ZR1. Here are the caster, camber, and toe. There are also cross caster, steering wheel angle, and thrust angle specs.

Front
FE1,2 ,3 Camber: -0.45 degrees +-0.60 degrees
Caster: 7.5 degrees +-0.60 degrees
Total Toe: 0.10 degrees +-0.20 degrees

FE4 Camber: -.95 degrees +-0.60 degrees
Caster: 7.6 degrees +-0.60 degrees
Total Toe: .10 degrees +-0.20 degrees

FE5 Camber: -1.00 degrees +-0.60 degrees
Caster: 7.7 degrees +-0.60 degrees
Total Toe: 0.10 degrees +-0.20 degrees

Rear
FE1, 2, 3 Camber: -0.45 degrees +-0.60 degrees
Total Toe: -0.00 degree +-0.20 degrees

FE4 Camber: -1.20 degrees+-0.60 degrees
Total Toe: -0.00 degrees+-0.20 degrees

FE5 Camber: -1.25 degrees+-0.60 degrees
Total Toe: 0.10 degrees+-0.20 degrees

If anyone wants the other specs just ask and I will post those also.

I don't know what a -0.00 is????

Mar 16, 2011 | 10:53 PM

#11

Lubrecon

Instructor

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From: Houston TX

If all else fails, read my post!!

Mar 16, 2011 | 10:58 PM

#12

Snake.Oiler

Safety Car

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From: F'burg VA

St. Jude Donor '13 thru '20,'22,'24 thru '26

The GS would be the FE3

Mar 17, 2011 | 12:12 AM

#13

saplumr

Race Director

Joined: Oct 2005

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From: Saint Albans, WV

With the factory allowable specs your going to get close...a little close or somewhat close.

Mar 17, 2011 | 12:23 AM

#14

LionGS

Pro

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From: NY

Mar 17, 2011 | 01:21 AM

#15

fnsblum

Pro

Joined: Oct 2007

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From: TremontonUT UT

When I had new tires put on 7K miles back the camber was at -.4 The tires are wearing very evenly. Later! Frank

Mar 17, 2011 | 03:21 AM

#16

hebdog7

Racer

Joined: Mar 2009

Posts: 316

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From: Fort Worth Texas

The toe is what greatly affects the tire wear. The camber not as much BUT if you have a lot of - or + camber it will then factor in a good amount of toe in or toe out and you tires won't last for long.

I went with the street Pfadt settings but left a little more camber in for spirited driving. I have 0 toe at all four corners and it doesnt pull and handles just fine. I dont track it as it is my DD.

Mar 17, 2011 | 09:00 AM

#17

FortMorganAl

Le Mans Master

Joined: Feb 2007

Posts: 8,514

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From: Currently somewhere in IL,IN,KY,TN,MO,AR,MS,AL, or FL

How about spending 5 minutes and become an "expert" on tire alignments. http://www.tirerack.com/tires/tirete...e.jsp?techid=4

Then you can measure what your current settings are http://www.davidfarmerstuff.com/align.pdf and decide how you want to change them.

Last edited by FortMorganAl; Mar 17, 2011 at 09:03 AM.

Mar 17, 2011 | 09:25 AM

#18

Bandit1

Melting Slicks

Joined: Oct 2001

Posts: 2,786

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From: Sun Devil Country

PFADT's Recommended Corvette Alignment Settings:

Pure Street
Front
Camber -0.8deg
Caster 8.0deg
Toe 0.0in

Rear
Camber -0.5deg
Toe 0.0in

Dual Street/Track
Front
Camber -1.2deg
Caster 5 to 8deg
Toe 0.0in

Rear
Camber -0.8deg
Toe 0.0in
Notes: For using street tires and driving to and from the track.
This setting will work for R-compounds at the track.

Mar 17, 2011 | 10:17 AM

#19

G Morse

Advanced

Joined: Nov 2006

Posts: 68

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From: Smithfield Virginia

The inside of my front tires was shot in less than 30,000. I took it to my dealer just before replacing the front tires and told the technician to set up my alignment for maximum tire wear. I don't know the specs he used, but my new front tires have been on for 10,000 miles and they are wearing perfectly.