1991 S10 Tires - Chevrolet Forum - Chevy Enthusiasts Forums

1991 S10 Tires


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  #1  
Old  March 18th, 2009, 12:21 AM
  • Junior Member
    Join Date: Mar 2009
    Posts: 1
1991 S10 Tires

My '91 S10/Tahoe Blazer 6cyl 4x4 has factory (litteraly - 38000 orig) tires. I think they are 205 75 R15.

Anyway, what is the biggest size I can put on before I get a rubbing prob?


Last edited by CTY; March 18th, 2009 at 12:48 AM.
  #2  
Old  March 18th, 2009, 10:01 AM
  • CF Monarch
    Join Date: Jul 2007
    Posts: 6,151
    Princeton, NC, USA
255/70R15 probably the biggest you can get without rubbing. Honestly, I'd go back with 235/75R15

You can actually do the math an measure off how big the tire will be.

255(width-mm)/70(% of width)R15(rim size)
Width Profile Rim
You have a 205/75R15, Which is 205mm wide, 154 mm tall.
If you get a 235/75R15, The tire will be 2 cm wider and 2.2 cm taller.
A 255/70R15 will be 4cm wider than stock, 2.4 cm taller.


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