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View Poll Results: Replace tires?
all 4 of them ASP your transmission will suffer a lot with just 1 new tire. 14 58.33%
replace 2 of them, the damaged and the one from the other side 3 12.50%
replace just the damage tire, your car will be ok. 7 29.17%
Voters: 24. You may not vote on this poll

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Old 10-16-2007, 07:47 AM   #1
orvtech
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Default Replace 4 STI Tires because of 1 bad tire ?

So i got a flat tire yesterday and the shop told me that they cant repair it because the screw is on the shoulder of the tire and that i need to replace that tire.

researching on other forums i came across the comment that i should replace all 4 tires because the transmission will not 'like' having 1 new tire ant the rest half a way worn.

My car has 12k miles on it; do I really need to replace all 4 tires? should i replace 2 (the damaged one and the one from the other side)? am I ok replacing just the damaged tire?

This is a DD and i do about 6 AutoX a year.

Thanks in Advanced.
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Old 10-16-2007, 09:49 AM   #2
06grayrex
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Even if you replace two tires, your center diff will not like it. Now you could have one new tire shaved to match the others. If not then get 4 new ones..
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Old 10-16-2007, 10:00 AM   #3
waktasz
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Yep, shaving a new one would be the most cost effective way to do it.
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Old 10-16-2007, 11:07 AM   #4
orvtech
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kk I ended up finding a place that repaired the tire.

i just saved $1k
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Old 10-16-2007, 08:13 PM   #5
NormSubie
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good job.
since you're autox-ing anyway, you'll go through your tires pretty quickly, so you'll get a whole set in no time.
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Old 10-16-2007, 08:24 PM   #6
orvtech
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Quote:
Originally Posted by NormSubie View Post
good job.
since you're autox-ing anyway, you'll go through your tires pretty quickly, so you'll get a whole set in no time.
humm i dont know about AutoXing in these tires ... I mean with that repair...

i was thinking to put that tire in the rear of the car just for AutoX...


I am now researching to see what would be a replacement set of tires for my DD and AutoX car.
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Old 10-16-2007, 08:29 PM   #7
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Quote:
Originally Posted by 06grayrex View Post
Even if you replace two tires, your center diff will not like it. Now you could have one new tire shaved to match the others. If not then get 4 new ones..
hmm are you sure about this on sti's? just wondering since some use wider rims on the front opposed to the rear.. i thought that as long as you have about equal weight on the left and right side things would be ok?
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Old 10-16-2007, 09:47 PM   #8
Mr_Snips
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it has nothing to do with width. That doesnt affect the CD at all. It has to do with actual overall diameter of the tire.
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Old 10-16-2007, 09:54 PM   #9
Howl
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I've done all three of your options. It depends on how warn the old tires are.
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Old 10-17-2007, 12:46 AM   #10
affinity1
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i was told by a Discount Tire rep that if the old tires are worn within 4/32 of an inch to the new tires you'll be ok.
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Old 10-17-2007, 12:57 AM   #11
waktasz
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Read your manual. It says 1/4" circumference difference.
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Old 10-17-2007, 01:03 AM   #12
orvtech
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Quote:
Originally Posted by waktasz View Post
Read your manual. It says 1/4" circumference difference.
in that case im almost sure that im covered. i only have 12k on those tires and most of it is on parkinglot-style traffic
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Old 10-17-2007, 07:45 AM   #13
harrison88
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Quote:
Originally Posted by waktasz View Post
Yep, shaving a new one would be the most cost effective way to do it.
how does this shaving process work?
just curious
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Old 10-17-2007, 07:55 AM   #14
Howl
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Remember C=d*3.14159,

so if C=0.25", d=0.08", which is about 1/12 of an inch. And that's the overall diameter which means if the tread is worn more than 0.04" (1/24") Subaru recommends new tires all round.
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Old 10-17-2007, 08:00 AM   #15
orvtech
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Quote:
Originally Posted by Howl View Post
Remember C=d*3.14159,

so if C=0.25", d=0.08", which is about 1/12 of an inch. And that's the overall diameter which means if the tread is worn more than 0.04" (1/24") Subaru recommends new tires all round.
kk, in that case i think im screwed ... and it begins my quest for a affordable and good tire for a DD and 6 to 8 AutoX a year
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Old 10-17-2007, 11:32 AM   #16
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Quote:
Originally Posted by harrison88 View Post
how does this shaving process work?
just curious
....here's some info on the subject:
http://www.tirerack.com/tires-techpage-1/18.shtml
http://www.tirerack.com/tires/tirete...4x035&code=yes

....and here's a site with pictures of the process:
http://www.tireworks.ca/servicecentre/tireshaving/
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Old 10-17-2007, 12:37 PM   #17
orvtech
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i know that this question could take the thread in another direction and that it has been asked many times before but i would like to keep it here since people that goes trough the same that i went can get all their answers here.

what would be a good set of tires to replace the stockers? i do AutoX about 6 to 8 times a year and i don't have winter down here in FL. (at least not with snow or freezing temperatures). should i stick with the stockers?

my car is basically DD but i will move in a couple of weeks to 2 blocks from my job so the yearly millage on the car will decrease a lot. I do not mind noisy tires.
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Old 10-17-2007, 03:49 PM   #18
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The local Subaru dealer here told me that I was good to 10,000mi on a set of tires before the "replace all for one" deal applies. I had the same thing happen to one of my tires at 7,000mi. I ended up buying a set of four PZeros, since I couldn't find a RE92 for less than $200 a pop...I suppose I could have hit the used market, but I needed them right away for a road trip, sooo...
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Old 11-08-2007, 06:07 PM   #19
Archon
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For posterity, i am testing this out.

rear tires = brand A = 10,000 miles
front tires = brand B = 0 miles

All tires same size minus treadwear on rears.

We will see if this really will kill a diff or not. See you all in 15k+ miles!
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Old 11-08-2007, 08:40 PM   #20
orvtech
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Quote:
Originally Posted by Archon View Post
For posterity, i am testing this out.

rear tires = brand A = 10,000 miles
front tires = brand B = 0 miles

All tires same size minus treadwear on rears.

We will see if this really will kill a diff or not. See you all in 15k+ miles!
hum... kk come back tu us in 15k miles more
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Old 11-08-2007, 09:02 PM   #21
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Quote:
Originally Posted by orvtech View Post
kk I ended up finding a place that repaired the tire.

i just saved $1k
Saved $1k?

Didn't you read the posts about getting the ONE replacement tire shaved???
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Old 11-08-2007, 09:21 PM   #22
orvtech
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Quote:
Originally Posted by REX8 View Post
Saved $1k?

Didn't you read the posts about getting the ONE replacement tire shaved???
bro... i am in Miami ... forget about that down here.
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Old 11-08-2007, 09:37 PM   #23
mossie4
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If the tolerance was only 1/32, there would be many Subaru owners having problems just due to uneven tire wear from auto-x, lack of rotating tires...whatever. I am interested to see the 15K test...my guess is everything will be A-OK!

Subaru have some ownership in Bridgestone?
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Old 11-08-2007, 09:44 PM   #24
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Quote:
Originally Posted by orvtech View Post
bro... i am in Miami ... forget about that down here.
Yea, UPS don't deliver to Miami.
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Old 11-08-2007, 09:46 PM   #25
waktasz
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Quote:
Originally Posted by mossie4 View Post
If the tolerance was only 1/32, there would be many Subaru owners having problems just due to uneven tire wear from auto-x, lack of rotating tires...whatever. I am interested to see the 15K test...my guess is everything will be A-OK!

Subaru have some ownership in Bridgestone?
Read your manual, or this thread. No one said 1/32" was the max.
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