simple tire / wheel question

bonus12

Backroads Driver
Jul 15, 2006
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my tires on my DD are 195/60/14, but do you think i can put 15" or even 16" wheels on them?

thanks people.
 

JB91389

decisions...decisions...
Jun 22, 2006
698
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Ottawa
maybe 15...16 would be stretching way too much I think....what evere you do, just make sure your safe.
 

bonus12

Backroads Driver
Jul 15, 2006
143
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CA
87 Silver Sniper said:
what evere you do, just make sure your safe.

thanks for your concern! +1



do you think i can trust a mechanic to give me an honest answer? and do you think 15 is safe?
 

MassSupra89

Almost done.
Nov 3, 2005
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Do you mean can you put new 15" wheels on the car and have them fit, or can you put 15" tires on the stock wheels?


You can go with a bigger wheel and a smaller profile tire and not have a problem, but you can never stretch a 15" tire onto a 14" rim.
 

Supracentral

Active Member
Mar 30, 2005
10,542
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MassSupra89 said:
You can go with a bigger wheel and a smaller profile tire and not have a problem, but you can never stretch a 15" tire onto a 14" rim.

Gawd, I hope no one on this forum is that ignorant...

Anyway, knowing what kind of car your DD is would help.
 

bonus12

Backroads Driver
Jul 15, 2006
143
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CA
Supracentral said:
Gawd, I hope no one on this forum is that ignorant...

i'm new to tires! but i know the general rule is, don't exceed the last number.

Supracentral said:
Anyway, knowing what kind of car your DD is would help.

ok. its an 87 crx hf. it's 1713 lbs, and the tires are 195/60/14.

thanks
 

BorHor

2JZ-GZE
Jan 10, 2006
6,181
1
38
36
San Jose, CA
umm what is your question? did you want to know if you can put larger rims on? if so yes you can. If you wanted to know if those tires fit on larger rims.. then no they dont.
 

MassSupra89

Almost done.
Nov 3, 2005
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If you go with a smaller profile(the second number), you can increase the rim diameter(last number)

stock-195/60 R14
you could go with say a 195/55 R15, or 195/50 R16... use tire/wheel calculators to compare sizes.
 

honestabe

Happy as hell :D
Jan 15, 2006
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Mount Vernon, WA, USA
www.cardomain.com
Stock size for my Cavalier is 195/70-14, but I can easily fit the 225/50-16's I have on there now. It all depends on the size of your wheel well depth, height, and suspension. The first number is the width of the tire in mm's. The 2nd number is the height of the sidewall in % to the width, and the last number is the wheel diameter itself (rim size when measured straight across).
 

Supracentral

Active Member
Mar 30, 2005
10,542
10
36
Ok, tire sizes 101:

You have a P195/60/14

This means:

P = passenger car
195 = 195 mm wide tread with
60 = sidewalls are 60% of the treadwidth (or about 117 mm high)
14 = 14" rim

The wheel size and tire size MUST match. You cannot use a 14" rim with a 15" tire or vise versa. EVER.

Now aside from the overall diameter, your tires are made to run on a rim that is anywhere from 5.5" to 7" wide. The "measuring rim width" for your size tire is 6"

The measuring rim width is the industry standardized rim width upon which the tire must be mounted in order to confirm it meets its dimensional targets. Because the width of the rim will influence the width of the tire, a standard rim width for every tire size is assigned and must be used. This standardized measuring rim width allows all of the tires produced around the world to meet the same dimensional standards and therefore, be equivalent with regards to their physical size. The measuring rim width is sometimes referred to as the tire's "design rim width".

I don't know how wide your factory rims are, but that would dictate how wide a tire you could go with. Overall you want to try to keep to the same overall diameter when the tire is mounted/balanced.

For example, your P195/60/14's probably have an overall diamater of about 23.3". You want to try to stay VERY close to that as you move around in tire widths/profiles and wheel sizes. A 205/50/15 has an average overall diameter of 23.2" - only 1 tenth of an inch difference from your factory tires overal diameter, but a wider tire with a lower profile.

There are a lot of considerations to be made when messing with oversized tires, or changing rims.

I'd STRONGLY suggest you talk with a tire shop that has a reputation for working with performance vehicles. You can get some very unpredictable (and disturbing) handling characteristics out of a car if you screw up with your tire/wheel package.

We haven't even gotten into offsets/backspacing issues, etc.

You have a LOT of homework to do before you can make these decisions. In the meantime lean on a pro for advice.
 

bonus12

Backroads Driver
Jul 15, 2006
143
0
0
CA
Supracentral said:
Ok, tire sizes 101:

You have a P195/60/14

This means:

P = passenger car
195 = 195 mm wide tread with
60 = sidewalls are 60% of the treadwidth (or about 117 mm high)
14 = 14" rim

The wheel size and tire size MUST match. You cannot use a 14" rim with a 15" tire or vise versa. EVER.

Now aside from the overall diameter, your tires are made to run on a rim that is anywhere from 5.5" to 7" wide. The "measuring rim width" for your size tire is 6"

The measuring rim width is the industry standardized rim width upon which the tire must be mounted in order to confirm it meets its dimensional targets. Because the width of the rim will influence the width of the tire, a standard rim width for every tire size is assigned and must be used. This standardized measuring rim width allows all of the tires produced around the world to meet the same dimensional standards and therefore, be equivalent with regards to their physical size. The measuring rim width is sometimes referred to as the tire's "design rim width".

I don't know how wide your factory rims are, but that would dictate how wide a tire you could go with. Overall you want to try to keep to the same overall diameter when the tire is mounted/balanced.

For example, your P195/60/14's probably have an overall diamater of about 23.3". You want to try to stay VERY close to that as you move around in tire widths/profiles and wheel sizes. A 205/50/15 has an average overall diameter of 23.2" - only 1 tenth of an inch difference from your factory tires overal diameter, but a wider tire with a lower profile.

There are a lot of considerations to be made when messing with oversized tires, or changing rims.

I'd STRONGLY suggest you talk with a tire shop that has a reputation for working with performance vehicles. You can get some very unpredictable (and disturbing) handling characteristics out of a car if you screw up with your tire/wheel package.

We haven't even gotten into offsets/backspacing issues, etc.

You have a LOT of homework to do before you can make these decisions. In the meantime lean on a pro for advice.

thanks for this explanation. :love: