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09-20-2003, 09:00 PM | #1 |
Scooby Specialist
Member#: 11343
Join Date: Oct 2001
Chapter/Region:
MWSOC
Location: Royal Oak, MI
Vehicle:2008 STi DGM |
STI Tires?
Just a quick question,
Are the factory Bridgestones different for left and right hand sides? I just noticed that my left (driver side) tires have a tread pattern that feathers towards the front and the right hand side tire pattern feathers towards the rear? I'm just wondering if they make a left and a right tire and if I got 4 right hand ones? Any idea's? Thanks, |
09-20-2003, 09:45 PM | #2 |
Scooby Newbie
Member#: 5362
Join Date: Apr 2001
Chapter/Region:
NWIC
Location: Olympia WA USA
Vehicle:2004 OBS Green |
They are not specific left or right but are directional. If you look you will see "outside" on the outer sidewall as long as they are not installed inside out they are fine.
Shawn |
09-21-2003, 11:05 AM | #3 |
Scooby Specialist
Member#: 11343
Join Date: Oct 2001
Chapter/Region:
MWSOC
Location: Royal Oak, MI
Vehicle:2008 STi DGM |
My sidewalls are facing the correct way, its just that tread patten is reverse from left to right hand side?
I'll have to find another STi in the area and check out the tires. Thanks, Brian |
09-21-2003, 03:45 PM | #4 |
Scooby Newbie
Member#: 4441
Join Date: Feb 2001
Chapter/Region:
MWSOC
Location: Wheeling, IL
Vehicle:2004 WRX STi WRB and Gold |
I know exactly what you are talking about. I brought this up on another forum. I had to stare at the tires for a while because I thought I was seeing things. I guess it does not matter but it surprised me when I first noticed it.
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09-21-2003, 06:59 PM | #5 | |
Scooby Newbie
Member#: 41574
Join Date: Aug 2003
Vehicle:2016 WRX WR Blue |
Quote:
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09-21-2003, 09:05 PM | #6 | |
Scooby Specialist
Member#: 11343
Join Date: Oct 2001
Chapter/Region:
MWSOC
Location: Royal Oak, MI
Vehicle:2008 STi DGM |
This is exactly my point!
The left and right side tires are the exactly the same! But they should be different! When looking at the rear tires side by side the pattern is exactly the same! They should infact be different. (like S03's) Left side tread should feather back and right side tread should feather back. Not left forward and right back? Is everybody's the same way or just mine? The Left side tires will chunck faster than the rights! Brian Quote:
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09-21-2003, 09:48 PM | #7 |
Scooby Newbie
Member#: 5362
Join Date: Apr 2001
Chapter/Region:
NWIC
Location: Olympia WA USA
Vehicle:2004 OBS Green |
I suppose calling them directional was poor wording. Mine look just like every other one. Direction meaning outside mounted to the outside. Yes as you walk around the car they flip 180.Any tire that has a pattern than isn't uni-directional will look off comparing left to right as they are rotated backwards from each other. I am sure the tires were designed that way but what do I know.
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09-21-2003, 09:57 PM | #8 |
Scooby Specialist
Member#: 11343
Join Date: Oct 2001
Chapter/Region:
MWSOC
Location: Royal Oak, MI
Vehicle:2008 STi DGM |
I sounds like everybody's is the same.
Looks like bridgestone did not want to make a left and right hand tire for the STI, unlike S03's. Thanks, Brian |
09-22-2003, 09:26 AM | #9 | |
Scooby Specialist
Member#: 18713
Join Date: May 2002
Chapter/Region:
MAIC
Location: Time is the Enemy
Vehicle:06 CRV 04 STi |
Quote:
asymmetric - Left and right tires are side specific directional - arrow on the sidewall indicates direction of forward travel non-directional - tires don't have a preferred rolling direction "this side out" - mount this side towards the outside of the car. It looks like the STi's tires are symmetric (even if the tires aren't physically symmetric - like tires of this class usually are), non-directional (since the tread pattern rolls one direction on the left side and another on the right side due to the next characteristic), and mount with a specific side out, probably to put a rigid external sidewall and different tread blocks out at the edges, to reduce sidewall flex on turn-in, while letting the internal sidewall be more flexible to account for camber. |
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09-22-2003, 11:19 AM | #10 |
Scooby Specialist
Member#: 11343
Join Date: Oct 2001
Chapter/Region:
MWSOC
Location: Royal Oak, MI
Vehicle:2008 STi DGM |
OK,
Tires are Asymmetrical but not Directional. This means that you can rotate these tires any way you want? Next question: Why develop an Asymmetrical non Directional tire? Brian |
09-22-2003, 01:25 PM | #11 |
Scooby Specialist
Member#: 18713
Join Date: May 2002
Chapter/Region:
MAIC
Location: Time is the Enemy
Vehicle:06 CRV 04 STi |
They are not physically symmetrical, but are used as symmetric tires. You can indeed put any tire in any position on the car, since they are all mounted "this side out".
Maybe subaru balked at the idea of having L and R specific tires to stock, and it probably doesn't impact dry handling too much. Wet handling was probably down on their list of concerns. |
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