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Discussion Starter · #1 ·
Why do I have no idea how to use this?
Why are there 3 scales for measurements in 32?
Which do I use? The tires I ended up buying used (for one of my cars) are supposed to be 10’32 when new. They are continental contipros





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1/32 of an inch increments.The general rule of thumb is 3/32" is minimum for when you need new tires. An easy way to figure that is using a penny. If the tread is past Lincolns head or past you're good to go.

Ooops i didn't notice you're in canada. An american penny I'm referring to.
 

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Discussion Starter · #4 ·
Still confused. Which do I look at? Not using mm. Going to use the ‘32 measurement. But which of the ‘32 do I use? The tires are well close to 9’32 but I want to measure them


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Discussion Starter · #7 ·
1/32 of an inch increments.The general rule of thumb is 3/32" is minimum for when you need new tires. An easy way to figure that is using a penny. If the tread is past Lincolns head or past you're good to go.

Ooops i didn't notice you're in canada. An american penny I'm referring to.

Ya I think people use the loonie now to measure somehow.

We don’t even have pennies anymore!!!


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Ya I think people use the loonie now to measure somehow.

We don’t even have pennies anymore!!!


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For the record I don't use anything to gauge my tires.When they're getting "bald" I'll get new ones especially if it's close to winter time like I just did last fall on my 2003 S-10 pickup.
 

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The primary reason for more sidewall cracking in Calif vs Canada is stronger sunlight/more UV. This is because we are further south. The sun light comes in on a more direct line/shorter distance thru the atmosphere.

There are other cntributing factors like some people never park their car in a garage and some overuse tire dressing materials that may leach natural compounds out of tires.
 
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