Kuhmo MX Sizing
11-21-2006, 02:40 PM
#1
Kumho MX Sizing
I am looking for new tires and have decided on the Kumho MXs (ok or the Falken Azenis RT615, but I think the MXs are better for daily driving and wet conditions, but thats not what this thread is about 
)
I have the stock track Rays wheels (8" Front, 8.5" rear) and want to go 245/40-Front and something bigger than 255/40-rear (my current rear setup). 265/40 is ideal as per the tire size calculators, as is 275/40. The sizes available are 265/35 and 275/40. I will use these tires for AutoX, track and daily driving, so I think 275 is a bit wide for the rear wheels (I have read of people successfully running 275, and honestly haven’t totally eliminated this option either). I would like to know how the Kumho MXs stand up in the real world in terms of sidewall height and width. I think 265/35 might be a viable option despite what the tire size calculators tell me if the MXs tend to run tall.
Does anyone with these tires know if they run tall(in which case 265/35/18 might be the perfect)?
)I have the stock track Rays wheels (8" Front, 8.5" rear) and want to go 245/40-Front and something bigger than 255/40-rear (my current rear setup). 265/40 is ideal as per the tire size calculators, as is 275/40. The sizes available are 265/35 and 275/40. I will use these tires for AutoX, track and daily driving, so I think 275 is a bit wide for the rear wheels (I have read of people successfully running 275, and honestly haven’t totally eliminated this option either). I would like to know how the Kumho MXs stand up in the real world in terms of sidewall height and width. I think 265/35 might be a viable option despite what the tire size calculators tell me if the MXs tend to run tall.
Does anyone with these tires know if they run tall(in which case 265/35/18 might be the perfect)?
Last edited by guitman32; 11-22-2006 at 09:57 AM.
11-24-2006, 04:34 PM
#2
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I don't know if you have seen this yet..
http://www.tirerack.com/tires/Spec.j...irePageLocQty=
it should have the info your looking for. Let me know how you like the MX's
http://www.tirerack.com/tires/Spec.j...irePageLocQty=
it should have the info your looking for. Let me know how you like the MX's
Last edited by Scarab440; 11-24-2006 at 04:38 PM.
11-25-2006, 10:36 AM
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this is a 245/40 on a 18" wheel
and this is a 275/40 on a 18" wheel
but since i am in a area now that has different seasons (as opposed to Texas), I am needing a high performance all season tire. I am thinking of going with the Kumho ASX. their customer rating is real high and the tires are priced good. Never had an issue with Kumhos
and this is a 275/40 on a 18" wheel
but since i am in a area now that has different seasons (as opposed to Texas), I am needing a high performance all season tire. I am thinking of going with the Kumho ASX. their customer rating is real high and the tires are priced good. Never had an issue with Kumhos
Last edited by Z04; 11-26-2006 at 07:51 AM.
11-26-2006, 06:39 PM
#4
Thanks for the info and pics guys.
After doing more research, I don’t think I want to risk such a large potential error percentage (5.2% fast for a 265/35/18) which would not only throw off the speedo but potentially cause the VDC to get screwy on me when daily driving. As a result, I am going to go with the Falken Azenis RT615 sized 245/40/18 and 255/40/18.
Z04, how are the MXs in the wet? That seems to be one of the differentiating factors between the two tires; the MXs are better in the wet and the RT615 are better in the dry.
After doing more research, I don’t think I want to risk such a large potential error percentage (5.2% fast for a 265/35/18) which would not only throw off the speedo but potentially cause the VDC to get screwy on me when daily driving. As a result, I am going to go with the Falken Azenis RT615 sized 245/40/18 and 255/40/18.
Z04, how are the MXs in the wet? That seems to be one of the differentiating factors between the two tires; the MXs are better in the wet and the RT615 are better in the dry.
11-27-2006, 04:56 AM
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Originally Posted by guitman32
Thanks for the info and pics guys.
After doing more research, I don’t think I want to risk such a large potential error percentage (5.2% fast for a 265/35/18) which would not only throw off the speedo but potentially cause the VDC to get screwy on me when daily driving. As a result, I am going to go with the Falken Azenis RT615 sized 245/40/18 and 255/40/18.
Z04, how are the MXs in the wet? That seems to be one of the differentiating factors between the two tires; the MXs are better in the wet and the RT615 are better in the dry.
After doing more research, I don’t think I want to risk such a large potential error percentage (5.2% fast for a 265/35/18) which would not only throw off the speedo but potentially cause the VDC to get screwy on me when daily driving. As a result, I am going to go with the Falken Azenis RT615 sized 245/40/18 and 255/40/18.
Z04, how are the MXs in the wet? That seems to be one of the differentiating factors between the two tires; the MXs are better in the wet and the RT615 are better in the dry.
i have driven 70 mph in a thunderstorm and never hydroplaned. of course i never pushed it when the road is wet on hard corners, and if you get on it a bit too hard on a stop light the TCS comes on briefly. Other than minor stuff, they handle pretty good IMO when wet. Of course my tire sizes may have a lot to do with this as well
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