hkuhn Posted November 25, 2013 Share Posted November 25, 2013 I blew the sidewall on my right front Blizzak LM-25V 235/40/R18s last night on '08 Spec B. These tires still have at least a season or 2 of life (about 5mm tread). In the winter I don't drive long distances with this car much; mostly just to and from work. I want some advice here: Do I try and find a used tire with similar thread, or do I buck up and get 4 new tires? I am aware of the stress to the transaxle, transmission, etc with different sized tires, especially on Subie 'symmetric' AWD. Input appreciated! Link to comment Share on other sites More sharing options...
SBT Posted November 25, 2013 Share Posted November 25, 2013 Guess it depends on how old these tires are, and/or how old the replacement tire would be... or you may end up in the same situation again. If you can get the tires to within 1/4" circumference of each other, you'll be okay. - Pro amore Dei et patriam et populum - Link to comment Share on other sites More sharing options...
hmmrdwn Posted November 25, 2013 Share Posted November 25, 2013 Isn't there a way to shave tires? I thought tire shops could do that. If so, just get the new one shaved down. [ame=http://www.youtube.com/watch?v=GAasIWzUJaU]Tire Truing and/or Tire Shaving - YouTube[/ame] Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted November 25, 2013 Moderators Share Posted November 25, 2013 If you're at approx. 5 or 6/32nds, and you live somewhere where you actually get a bunch of snow, it's probably just time to get a new set. At that tread depth they still may do well in terms of the rubber compound being better in the cold, but your actually snow traction is probably diminished quite a bit. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
hmmrdwn Posted November 25, 2013 Share Posted November 25, 2013 Car and driver article mentioning tire shaving for awd/4 wd cars. Maybe you can find a single used blizzak with more tread and have it shaved down. Might be tough finding one in an exact fit with more tread. Yeah, forget that idea. http://blog.caranddriver.com/the-lost-art-of-tire-shaving/ Link to comment Share on other sites More sharing options...
iNVAR Posted November 27, 2013 Share Posted November 27, 2013 Do I try and find a used tire with similar thread, or do I buck up and get 4 new tires? I am aware of the stress to the transaxle, transmission, etc with different sized tires, especially on Subie 'symmetric' AWD.If you know of those things, then you should really be able to answer this on your own. If you replace one, the tire must of the exact same make and model and size of tire, and it must be shaved down to the same rolling circumference as the other 3 tires. Link to comment Share on other sites More sharing options...
GEORGEROV Posted December 19, 2013 Share Posted December 19, 2013 If it was me I would get two new tyres , for that axle , and keep the other as a spare . Link to comment Share on other sites More sharing options...
SBT Posted December 19, 2013 Share Posted December 19, 2013 George - That's exactly the opposite of what Subaru recommends - Unless - there's less than 1/4" of rolling circumference difference between the front and rear and left and right tires. Otherwise, replace all four tires with same make, model, size as a set. Pick the best of the remaining and make it your full-size temporary spare. - Pro amore Dei et patriam et populum - Link to comment Share on other sites More sharing options...
rhumb line Posted January 13, 2014 Share Posted January 13, 2014 Blizzaks have a special rubber compound that only extends about halfway through the tread-- this helps greatly with traction on ice. Given that the AWD needs tires that are very close to the same size and that the tread toward the end of life isn't nearly as effective as the top half, I'd seriously consider replacing all four if you can swing it. I think Firestone has a sale right now for $1 over store cost if you can get one of the emails. Link to comment Share on other sites More sharing options...
krzyss Posted January 16, 2014 Share Posted January 16, 2014 Blizzaks have a special rubber compound that only extends about halfway through the tread-- this helps greatly with traction on ice. Given that the AWD needs tires that are very close to the same size and that the tread toward the end of life isn't nearly as effective as the top half, I'd seriously consider replacing all four if you can swing it. I think Firestone has a sale right now for $1 over store cost if you can get one of the emails. I am not aware that LM series of Blizzaks have this feature. Krzys Link to comment Share on other sites More sharing options...
specialB Posted January 22, 2014 Share Posted January 22, 2014 If you're at approx. 5 or 6/32nds, and you live somewhere where you actually get a bunch of snow, it's probably just time to get a new set. At that tread depth they still may do well in terms of the rubber compound being better in the cold, but your actually snow traction is probably diminished quite a bit. thats for damn sure, my rears are down to 5/32 and they are scary bad in the snow this morning. Link to comment Share on other sites More sharing options...
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