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07-27-2004, 01:44 PM
#2
5th Gear Member
Join Date: Dec 2003
Posts: 2,883
RE: tire size question?
ORIGINAL: DILOstang01
now i have hankook 245/45/zr17 but i have seen tires that are 275/40/17 and different sizes like that. i was wondering if that is a better tire and also if it fits all 17 inch rims or is the 275/40 part that makes it ot fit? i need to get better tires for the back so i can runj better at the track but i know diito about tires and i would like to have a little knowledge about which direction to go in and thats where you guys come in
thanks.
now i have hankook 245/45/zr17 but i have seen tires that are 275/40/17 and different sizes like that. i was wondering if that is a better tire and also if it fits all 17 inch rims or is the 275/40 part that makes it ot fit? i need to get better tires for the back so i can runj better at the track but i know diito about tires and i would like to have a little knowledge about which direction to go in and thats where you guys come in
thanks.
07-27-2004, 02:07 PM
#3
Retired MF Moderator
Join Date: Apr 2004
Location: I live in Canada, eh
Posts: 7,156
RE: tire size question?
the 245 is the width. the higher the #, the wider. 275 is obviously wider than a 245. while 40 is the height of the profile. the 40 is a little smaller than a 45.
Nomo is right that the 40 series is a smaller percentage of sidewall vs. tire width, but because the 275 tire is wider, they will balance out well with the 245/45.
07-27-2004, 04:00 PM
#5
5th Gear Member
Join Date: Dec 2003
Posts: 2,883
RE: tire size question?
ORIGINAL: DILOstang01
so what tire size radial should i get for my stang with the 17 incg bullit rims? stay with 245/45 or is there a better size for me to get?
so what tire size radial should i get for my stang with the 17 incg bullit rims? stay with 245/45 or is there a better size for me to get?
07-28-2004, 07:05 AM
#6
4th Gear Member
Join Date: Apr 2004
Location:
Posts: 1,316
RE: tire size question?
That's great info. I was never really sure what all the numbers meant other than the 17 being the size of the rim. I have read where people were talking about 17 x 9 and
17 x 10 or 10.5 and such. Correct me if I'm wrong, but I would think that the 9, 10 or 10.5 would be the width of the rim? And if so, would that mean that an upgrade to a wider tire for the rear would also require an upgrade to a wider rim as well? If so, which width would be recommended for, say, a 275 tire? Thanks.
17 x 10 or 10.5 and such. Correct me if I'm wrong, but I would think that the 9, 10 or 10.5 would be the width of the rim? And if so, would that mean that an upgrade to a wider tire for the rear would also require an upgrade to a wider rim as well? If so, which width would be recommended for, say, a 275 tire? Thanks.
07-28-2004, 11:57 AM
#7
I ♥ Acer
Join Date: Apr 2004
Location:
Posts: 9,172
RE: tire size question?
You dont have to upgrade to a bigger wheel. Just because Ford puts 245-45 stock doesnt mean you cant get 275-40's put on at a local tire store. Get some Nitto 555R's. They fit just right from what I hear.
07-28-2004, 05:12 PM
#9
2nd Gear Member
Join Date: May 2004
Location:
Posts: 185
RE: tire size question?
ORIGINAL: MikeHawke
Yes the 245 and 275 refer to the width of the tire...it's an actual measurement in millimeters. The 40 and 45 refers to the height of the sidewall as a % of the tire width...so a 275/40 is about the same sidewall height as the 245/45s that come on the 17" rim.
Nomo is right that the 40 series is a smaller percentage of sidewall vs. tire width, but because the 275 tire is wider, they will balance out well with the 245/45.
Yes the 245 and 275 refer to the width of the tire...it's an actual measurement in millimeters. The 40 and 45 refers to the height of the sidewall as a % of the tire width...so a 275/40 is about the same sidewall height as the 245/45s that come on the 17" rim.
Nomo is right that the 40 series is a smaller percentage of sidewall vs. tire width, but because the 275 tire is wider, they will balance out well with the 245/45.
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