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2020 blazer ls1, dark grey
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71 Posts
Discussion Starter #1
What is largest 18 in tires you can install with oem wheels? 275/55/18 or 255/60/18? Both of these have the same outside diameter and revs per mile as the stock tires.
 

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What is largest 18 in tires you can install with oem wheels? 275/55/18 or 255/60/18? Both of these have the same outside diameter and revs per mile as the stock tires.
i'm going 255/60's on my 18's when i need tires...imo that should be plenty for these vehicles...any larger vehicle won't be as good in the heavy snow...
 

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Premium Member
2020 blazer ls1, dark grey
Joined
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71 Posts
Discussion Starter #7
You can go to tire size.com/wheel-offset-calculator and plug in all of the specs for tires and wheel offset, width (use 1/2 the additional width as spacer spec) you then get a picture showing differences at top , inside suspension and out side fender well. You compare the original setup to proposed. really neat calculator .
 
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