Where is rear toe measured?

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Dec 5, 2009 | 04:52 PM

bronzebb

Thread Starter

Instructor

Joined: Feb 2005

Posts: 207

Likes: 13

From: Belmont California

Where is rear toe measured?

Is it at the outside diameter of the tire at the horizontal centerline? Or somewhere else? I understand geometry just where is it measured?

Thanks,

TT

Dec 5, 2009 | 06:47 PM

Jeff78

Melting Slicks

Joined: Apr 2003

Posts: 2,589

Likes: 44

From: Gods Country WI

It does not matter at wht height you measure toe just so that you measure at the same height front and rear of the tires.

Dec 6, 2009 | 01:34 PM

BenUK

Burning Brakes

Joined: May 2005

Posts: 1,145

Likes: 5

From: South of London, Engerland

Quote:

Originally Posted by bronzebb

Is it at the outside diameter of the tire at the horizontal centerline? Or somewhere else? I understand geometry just where is it measured?

Thanks,

TT

According to the AIM for my '76, you measure at the outer diameter of the tyres:

X - Y should = 3/32" per side

Dec 6, 2009 | 01:44 PM

Mike Ward

Race Director

Joined: Jul 2001

Posts: 15,892

Likes: 42

Quote:

Originally Posted by BenUK

According to the AIM for my '76, you measure at the outer diameter of the tyres:

X - Y should = 3/32" per side

Ben is correct. If a setting is mentioned in inches, then the spot where the measurement is taken is important. If it is mentioned in degrees (angle) then it doesn't matter where it's measured from. Interesting that the factory specs have one of each.