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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

need tire sizes explained

  • Thread starter Thread starter smokin'Red35th
  • Start date Start date Aug 27, 2004

smokin'Red35th

Member
Jan 9, 2004
493
0
16
Las Vegas, NV
Aug 27, 2004
#1
  • Aug 27, 2004
  • #1
Can someone please explain tire sizes to me?
245/45/17 - what does each # mean. I know 17 is for a 17" wheel, but i have always been confused about the other two numbers.
Thanks in advance
 

ProCharger GT

Member
Jun 3, 2004
153
0
16
Cleveland
Aug 27, 2004
#2
  • Aug 27, 2004
  • #2
245 = width of the tire in mm
45 = aspect ratio = the height of the sidewall is 45% the width of the tire
 

smokin'Red35th

Member
Jan 9, 2004
493
0
16
Las Vegas, NV
Aug 27, 2004
#3
  • Aug 27, 2004
  • #3
THANK YOU!
Now whats the widest tire i can fit on a stock 17" rim?
 

MY Cobra

Member
Mar 22, 2004
308
0
17
Franklin NC
Aug 27, 2004
#4
  • Aug 27, 2004
  • #4
i have 275/40/17's on mine now. Dunno if that helps any.
 

ProCharger GT

Member
Jun 3, 2004
153
0
16
Cleveland
Aug 27, 2004
#5
  • Aug 27, 2004
  • #5
275/40/17 for the rear and 255/45/17 for the front. i chose to run the standard 245/45/17 on my front though; i know of someone who has the 255's and they fit, but i dont know if there is any turning/rubbing issues.
 
T

tangerine

Member
Apr 6, 2003
555
0
16
millen, ga
Aug 27, 2004
#6
  • Aug 27, 2004
  • #6
I am glad that you all know that the 245 is the width because I had 2 shadetree mechanics argue me up and down that it was the height not the width.
 

chevylover

Member
Sep 27, 2003
190
0
16
Castro Valley, CA originally St. James Missouri
Aug 27, 2004
#7
  • Aug 27, 2004
  • #7
275's all the way

I run what I have in my sig and have had no problems. You'll have some people tell you that 275's on the stock 17x8 rim is to wide and some online dealers give min. rim width for a 275 as 9 inches. They look good on my 17x8's and I would recommend them. But that's only because I stayed at a Holiday Inn Express last night!!
 

smokin'Red35th

Member
Jan 9, 2004
493
0
16
Las Vegas, NV
Aug 31, 2004
#8
  • Aug 31, 2004
  • #8
thanks guys. i appreciate it!
 

02camarokiller

New Member
Jul 28, 2004
91
0
0
Enid, Oklahoma
Aug 31, 2004
#9
  • Aug 31, 2004
  • #9
chevylover said:
I run what I have in my sig and have had no problems. You'll have some people tell you that 275's on the stock 17x8 rim is to wide and some online dealers give min. rim width for a 275 as 9 inches. They look good on my 17x8's and I would recommend them. But that's only because I stayed at a Holiday Inn Express last night!!
Click to expand...


 

Mega-Man

New Member
Aug 6, 2004
227
0
0
Sammamish, WA
Aug 31, 2004
#10
  • Aug 31, 2004
  • #10
245 / 45 / ZR17 all-around here...
 

Black 2001 GT

New Member
May 18, 2004
126
0
0
Lacey, WA
Sep 1, 2004
#11
  • Sep 1, 2004
  • #11
255/40/17 all around here
 
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