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Old 01-30-2013, 10:23 AM   #1
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What size tire?

On a 9 inch rim up front, what width tire would be best? 275 or 265? I know the wider tire gives me a larger contact patch, but will the wider tire flex more under extreme driving conditions(like autocross)?
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Old 01-30-2013, 12:31 PM   #2
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I've run 275's on the front for years, only had the sidewall roll once and that was me losing it around 85 and sliding to a stop sideways on an autox course. Didn't pop the bead, just rolled the sidewall.
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Old 01-30-2013, 12:35 PM   #3
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275's on a 9 wide is a good fit, any less you could rub the rim lip and mess it up on a curb
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Old 01-30-2013, 01:15 PM   #4
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Bullitt on my fr500's I ran a 265 and felt a 275 would fit perfectly. So it really depends on what would be more affordable and practical
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Old 01-30-2013, 01:52 PM   #5
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I'm grabbing a package deal with nittos and I hear they run a little narrow, so I think I'm going to go with the 275 up front. You all helped my decision, thank you.
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Old 01-30-2013, 01:58 PM   #6
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;good!
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Old 01-30-2013, 02:20 PM   #7
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Just ordered them from LMR! They will be here in 1week!
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Old 01-30-2013, 02:56 PM   #8
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Post pics when you get them on!
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Old 01-30-2013, 04:43 PM   #9
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Post pics when you get them on!
I definitely will. They are supposed to arrive next Wednesday.
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Old 01-30-2013, 04:51 PM   #10
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How about a 275 on a 10? I ask b/c Id like to stick with a 40 sidewall but want staggered, 255s on 19x9s & 275s on 19x10s.
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Old 01-30-2013, 05:10 PM   #11
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I've got 285 40 on a 10.5 nothing wrong with it I just feel its too small
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Old 01-30-2013, 07:13 PM   #12
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Originally Posted by Venomouz831 View Post
I've got 285 40 on a 10.5 nothing wrong with it I just feel its too small
All the package wheel/tires offered 285 rears, I hope they don't look too small on a 10 inch rim.
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Old 01-30-2013, 11:49 PM   #13
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All the package wheel/tires offered 285 rears, I hope they don't look too small on a 10 inch rim.
Yea that's why when I bought my fr's I just got the rims and tires seperate but a 285 on a 10' is fine
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Old 01-31-2013, 08:40 AM   #14
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Quote:
Originally Posted by Venomouz831 View Post

Yea that's why when I bought my fr's I just got the rims and tires seperate but a 285 on a 10' is fine
Yeah, I thought about doing that, but I didn't want to spend any more than I had to. I got the whole package out the door for $1301.99. I'm pretty happy with that.
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Old 02-01-2013, 09:19 AM   #15
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Quote:
Originally Posted by bullitt1075 View Post
On a 9 inch rim up front, what width tire would be best? 275 or 265? I know the wider tire gives me a larger contact patch, but will the wider tire flex more under extreme driving conditions(like autocross)?
Quote:
Originally Posted by lowflyn View Post
I've run 275's on the front for years, only had the sidewall roll once and that was me losing it around 85 and sliding to a stop sideways on an autox course. Didn't pop the bead, just rolled the sidewall.
Once is 1 x too many.

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275's on a 9 wide is a good fit, any less you could rub the rim lip and mess it up on a curb
Recommended rim width for a 9 inch is 255. 265 stretching it. Some tires fit differently but to recommend 275 and safe in the same sentence for a 9 inch wide rim is careless advice (no offense intended at all) because there are reasons tires have recommendations.
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Old 02-01-2013, 10:00 AM   #16
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Riken recommends a 9-11 inch rim for their 275/40. I run a 9 and have had zero problems with my tires. Every manufacturer has a different recommendation. In fact when I first got my car it had a staggered tire config on it. Like 245/255's up front with 275's on the back and the front tires looked like they were stretched to fit the rims while the 275's fit perfectly.
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Old 02-01-2013, 10:31 AM   #17
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AM tire package staggered comes 275-285..... Om a 9' and 10' in the rear...
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Old 02-01-2013, 10:37 AM   #18
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Quote:
Originally Posted by Borii

Once is 1 x too many.

Recommended rim width for a 9 inch is 255. 265 stretching it. Some tires fit differently but to recommend 275 and safe in the same sentence for a 9 inch wide rim is careless advice (no offense intended at all) because there are reasons tires have recommendations.
Lol, the only careless advice is stretching a narrow tire on a 9" wheel.

I spend more time on tracks than most people on this site, never had a single negative issue with a 275 on a 9" wheel. When I say it rolled the sidewall it is literally a 1/2 inch mark around the tire. Biggest way to keep sidewall from flexing is smallest sidewall possible and highest pressure possible to stay safe.
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Old 02-01-2013, 10:40 AM   #19
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Quote:
Originally Posted by lowflyn View Post

Lol, the only careless advice is stretching a narrow tire on a 9" wheel.

I spend more time on tracks than most people on this site, never had a single negative issue with a 275 on a 9" wheel. When I say it rolled the sidewall it is literally a 1/2 inch mark around the tire. Biggest way to keep sidewall from flexing is smallest sidewall possible and highest pressure possible to stay safe.
+1, I inflate my fronts to 40-42 lbs when I autocross just for that reason.
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Old 02-01-2013, 11:21 AM   #20
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Quote:
Originally Posted by Venomouz831 View Post
AM tire package staggered comes 275-285..... Om a 9' and 10' in the rear...
AM is 275 for a 10 and 255 for a 9. For the Nitto and Sumitomo. I am saying there is no blanket "yes". The correct answer is "See your manufacturers recommended sizes, then decide the level of risk (no matter how little), you're willing to take".

Lowflyn, so because you race your car and THINK you have more experience that qualifies you to disregard the tire manufacturers recommended numbers?

Each tire has different recommendations. 275 is not a tire that can be safely recommended on a 9 inch rim. No matter what you think. Just because it is not a common issue, doesn't mean the issue is to be ignored.
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Old 02-01-2013, 11:25 AM   #21
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275-285
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Old 02-01-2013, 11:34 AM   #22
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Quote:
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That is for the new edge. The recommended tires for the S197 is the 255/275. Does he have a new edge or S197?
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Old 02-01-2013, 11:35 AM   #23
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2001 bullitt
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Old 02-01-2013, 11:52 AM   #24
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Quote:
Originally Posted by Venomouz831

275-285
Man, you need to let am know that's such a horrible idea to offer that combo. Might save a life...
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Old 02-01-2013, 11:54 AM   #25
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Man, you need to let am know that's such a horrible idea to offer that combo. Might save a life...
I don't like that combo either thts why I buy the rims alone.
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Old 02-01-2013, 01:40 PM   #26
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So I'm going to die if I run the package?
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Old 02-01-2013, 01:40 PM   #27
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No you're not lol
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Old 02-01-2013, 01:40 PM   #28
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Quote:
Originally Posted by bullitt1075
So I'm going to die if I run the package?
Lol no, not at all
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Old 02-01-2013, 01:47 PM   #29
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I'm concerned about where this all went though. Is it the front tire being too wide? I see that LMR sells a 255/35 r18, should I call them and ask them to take the fronts back and install the 255's? Or am I overreacting? Plus who knows if they would be cool doing that anyways.
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Old 02-01-2013, 01:51 PM   #30
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Quote:
Originally Posted by lowflyn View Post
Man, you need to let am know that's such a horrible idea to offer that combo. Might save a life...
I had to laugh hehe.

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Lol no, not at all
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Old 02-01-2013, 02:00 PM   #31
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Quote:
Originally Posted by bullitt1075
I'm concerned about where this all went though. Is it the front tire being too wide? I see that LMR sells a 255/35 r18, should I call them and ask them to take the fronts back and install the 255's? Or am I overreacting? Plus who knows if they would be cool doing that anyways.
It's a personal preference really. Don't let our jabbing discourage you.

The only downside to a 275 on the front is you will probably experience some tire rub at full lock
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