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rim to tire size #865921 02/01/08 09:51 PM
Joined: Aug 2006
Posts: 894
bombardj1 Offline OP
Rock Warrior
I have 215-70-15 on stock alloy rims, my wifes was stock alloy rims with stock tires 205-75-15. ? is what size tires can be put on stock alloy rims with not having any problems ? and still be with in the wheel walls, don't want her to get a ticket <img src="/forums/images/graemlins/scared.gif" alt="" />, John

Re: rim to tire size [Re: bombardj1] #865922 02/01/08 10:01 PM
Joined: Mar 2004
Posts: 360
Lou Offline
Mudrunner
OUtside diameter of these two sizes is the same
that is rim + 0.70 x 215mm = rim + 150.5mm
or rim + 0.75 x 205mm = rim + 153.7mm
3 mm difference that is within 1/8"
Other "extremes".... I do not know....I know others here have a lot of ideas on this <img src="/forums/images/graemlins/smile.gif" alt="" />
What do you mean about the "ticket" ???

Re: rim to tire size [Re: Lou] #865923 02/02/08 12:48 AM
Joined: Aug 2006
Posts: 894
bombardj1 Offline OP
Rock Warrior
some cops will ticket if tires are outside of wheel wall if you don't have flares

Re: rim to tire size [Re: Lou] #865924 02/02/08 12:52 AM
Joined: Aug 2006
Posts: 894
bombardj1 Offline OP
Rock Warrior
I always thought the 70 and the 75 was the profile, and the 205 215 was the wide, when both trucks are next to each other mine looks alot higher then hers

Re: rim to tire size [Re: bombardj1] #865925 02/02/08 01:05 AM
Joined: Mar 2004
Posts: 360
Lou Offline
Mudrunner
205 it the width in millimiters, and 75 means the height of the tire from the rim is 75% of its width. THis calculation is valid when you compare same model tire of different sizes.
HOwever, there can be real differences between manufacturers. My son has 205 75 Michelin tires that are smaller in diameter than 205 70 of another american made tire...
4x4 dedicated tires are also generally stiffer and keep the car higher from the ground than same size "car" type tires.

Re: rim to tire size [Re: bombardj1] #865926 02/02/08 02:44 AM
Joined: Nov 2007
Posts: 394
jaybur Offline
Mudrunner
I highly doubt that any tire you mount on your stock rims are going to stick out past the fenders. I have ford after market rims and mud tires and they barely stick out in front and not really at all in the rear.


Sportage sold.........
1999 4runner 4x4 , Tundra brake rotors and calipers (well worth it!) -wifes
Re: rim to tire size [Re: jaybur] #865927 02/02/08 03:39 AM
Joined: Oct 2006
Posts: 616
Iron Offline
Rock Warrior
I..get...away...with...30x9.5s...

Sorry...space...bar...broken...! <img src="/forums/images/graemlins/nana.gif" alt="" />


08' Jeep Wrangler
64' Plymouth Sport Fury 383
58' Triumph TR-3A
Re: rim to tire size [Re: bombardj1] #865928 02/02/08 06:58 AM
Joined: Mar 2002
Posts: 1,396
DennisThompson Offline
Body Damage is Cool
30x950x15 is a good size for the stock wheels. 235x75x15 is a little smaller but look good on a stock Sportage.
Like you said 215 is the width in mm. 70 is the aspect ratio. To find out the height of a tire here is a formula. It is not excact because the tire manufactors are all differant. I will use your 215 for and example.

215 x .70 / 25.4 x 2 + 15 = 26.8

215 width
x
.70 sidewall heigth
devided by
25.4 converts mm to inches
x
2 sidewalls
+
15 wheel size

like I said this isn't excact but it will get you in the ballpark.
Dennis


95 Sportage, gone but not forgotten.
98 Jeep TJ, 4" Zone springs with RC Long arms, Ford 8.8", 4.56 gears & Detroit locker rear, D30, 4.56 & Detroit Trutrack front.
Re: rim to tire size [Re: DennisThompson] #865929 02/02/08 03:05 PM
Joined: Aug 2006
Posts: 894
bombardj1 Offline OP
Rock Warrior
what be the formula for the 30x950x15, to get the height

Re: rim to tire size [Re: bombardj1] #865930 02/02/08 03:35 PM
Joined: Mar 2002
Posts: 1,396
DennisThompson Offline
Body Damage is Cool
30" tall, 9.5" wide, and 15" rim. Just like the metric sizes they will very from differant manufactors.
Dennis


95 Sportage, gone but not forgotten.
98 Jeep TJ, 4" Zone springs with RC Long arms, Ford 8.8", 4.56 gears & Detroit locker rear, D30, 4.56 & Detroit Trutrack front.
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