front tire wear - Team Camaro Tech
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post #1 of 5 (permalink) Old Aug 12th, 06, 07:19 PM Thread Starter
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Jim
 
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Location: Yorkville, Illinois USA
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front tire wear

Today I parked with my wheels turned and just happened to glance at the front rubber at a new veiw.

I have severe wear on the inside edge of both tires, maybe the first inch is worn really bad.

Guldstrand mod suspension has been together and untouched for 4 or 5 years, about 12k miles, front tires are 225-50-16. Car was aligned at this ride ht with these tires when I purchased the tires.

Alignment specs are 3.5 pos caster, 1 neg camber, 1/16" toe.

What can I do to stop this wear?
Take some of the camber out?

I need 1 more season out of these tires. No rotation, unidirectional tread and different sizes front/rear.





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post #2 of 5 (permalink) Old Aug 12th, 06, 08:05 PM
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Harley D
 
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Re: front tire wear

Jim did you recheck the alignment specs. I mean I know you just did the Run to the Rockies and that 1500 mile "test drive" before that. Is it possible something came loose? Maybe you hit a curb or pothole and knocked something out of alignment.


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post #3 of 5 (permalink) Old Aug 12th, 06, 09:19 PM
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Re: front tire wear

1 degree negetive camber will give you some inside tire wear. I run 1/4 to 1/2 degree negetive camber and still get slight inside wear. Why do you run so much negetive camber on a street car? I agree you should get the alignment checked again.
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post #4 of 5 (permalink) Old Aug 13th, 06, 07:43 PM
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Re: front tire wear

Realign it and drop the camber to -1/2". Go closer to 0* toe. A little toe out & too much negative camber will do that.

Scott from NJ. Stay thirsty, my friends


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post #5 of 5 (permalink) Old Aug 13th, 06, 11:01 PM
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Steps
 
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Re: front tire wear

My son just sat down beside me as I pulled this thread up
Hes a tyre/wheel alignment guy
Quote:
1 neg camber
His comment "thats stuff all, will not make any diiff"
Quote:
1/16" toe.
Again "thats stuff all, will not make any diiff" "set the toe to zero"

How sure are u the alignment machine is regularily calibrated?

These are the specs I used for many yrs
Left camber 0.33 deg
right camber 0.33 deg
caster 2.0 deg
Total toe O.5mm

This was used for daily driving, town and highway...gave a quite a light steering good around town/ highway crners tended to push ....
tyre wear excellent

My current setup
Toe left and right 0.7mm
Total Toe 1.4mm
caster left 3 deg 26 min
caster right 3 deg 03 min
camber left 1 deg 9 min
camber right 1 deg 16min

This also works well with great improvement for highway cnring and around town good to

Keep in mind this is a Left hook (factory)car driven on left hand drive roads in NZ.
Driver next to the kerb

My Spelling is not incorrect...it is creative

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