Wheel and tires, how to understand them?

[reynierpm]

I have been trying to decipher all related to tires and wheels but I couldn't understand it at all . Using this amazing site I've got what are the base tires & wheels for my Toyota 86 2017.

I want to get rid of them and get a 18" but I am not sure which one. The figure there is pretty straight: 215/45R17 = 24.6x8.5R17 and I am not mistaken should be tall, wide and wheel diameter, I am right?. I was looking for some wheels here http://www.86speed.com/18-wheels/ but a doubt comes to my mind. Take the following wheels as example:

• http://www.86speed.com/products/ssr-...18x9-5-40.html
• http://www.86speed.com/products/enke...-x-9-5-35.html

The only difference I am seeing between both is the latest number 40 vs 35 and should be a difference on the material.

Could any explain to me why the second one is more expensive than the first one? What do you use to determine which wheel would you get for your car?

One thing it's cool for me is the size and wide, more size and wide make them look pretty but this maybe has cons.

I don't know, you tell me if I am on the right path.

Last but not least which one would you recommend me?

[strat61caster]

Check out Tirerack, they have a good tool for picking wheels and it will automatically match appropriate tires to your application if you click 'build a package' after putting wheels in the cart. Even if they don't have wheels that match or that you like, if you pick the same size it will recommend appropriate tire sizes.

https://www.tirerack.com/content/tir.../homepage.html

Without looking too closely Enkei has a better reputation, possibly a more complicated manufacturing process for a stronger lighter weight wheel.
http://enkei.com/engineering/


I wouldn't recommend either as I prioritize performance over aesthetics, I look at user reviews and specs of the wheel in particular (weight, offset, etc.) You won't find much other than some pictures, but some wheels/brands have failures or strange fit, that's really what you're looking for, making sure there are no red flags, good luck.


http://www.ft86club.com/forums/forumdisplay.php?f=24
http://www.ft86club.com/forums/showthread.php?t=7535

[arxm]

40 and 35 is the offset, thats basically how far out the wheel is from the centre of the hub, a smaller number means it stick out further. On a tire say 225/45/17 the 225 is the section width or width of the tread, the 45 is the sidewall height in terms of section width so a 45 in this case means 45% of 225 and the last number is the rim size. For a 9.5" wide wheel like yours I would suggest a 245/35/18 or a 255/35/18 tire but these are just my suggestions. Also a wider wheel does look nicer but the major cons not associated with the actual tire are weight and clearance issues, my 275s rub in the front, And as others have suggested tire rack is a good place to start

[humfrz]

Originally Posted by reynierpm

.......................... What do you use to determine which wheel would you get for your car?

There ain't nutten wrong with the wheels that came with your car ...... unless you messed one up. In that case, just get a replacement wheel that is like the others.

As far as tires, by you living in Florida, where there isn't any snow, no mountains and few curves ..... it don't much matter which tires you buy, as long as they are the same size that came with your car.

See how simple that is ......


humfrz

[DarkSideFRS]

For the tires...

225 --> section width
45 --> aspect ratio
17 --> rim diameter

you can always getting wider tires if u wish, but u just need to make sure the overall wheel diameter (rim + 2 sidewalls) stays the same. For this size, the overall diameter is:

[225/25.4 *45/100 *2] + 17 = 24.97 inches

if you want to keep the overall wheel diameter the same (to keep the odometer accurate), just go with the 245/35R18 tires that has an overall wheel diameter of 24.75 or 255/35R18 tires that has an overall wheel diameter of 25.03 depending on how fat you want your setup to be

[Shinchu]

From thread title, i litterally thought you were trying to conversate with you wheels and tires.

[C11GEN]

I am running 18x8.5 +35 with 225/40/18 front and 255/35/18 bsck. The 35 is the how far the centre of the rim is pulled inside or ourside from the centre in mm.
TSW explaines here
http://www.tsw.com/explore/what-is-wheel-offset.php
The only trick with the offsets and rim/tire widths is you don't want to rub in stock spring on the inside or your outside fender.

And the only thing that makes a difference from the aspect ratio is it will throw your spedometer off. For example a 225/45/17 might be perfect in which it shows youre going 100km/hr and you are if you go to a 225/35/18 it shows 100km/hr but youre moving at 99km/hr. Its literally a joke difference.


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[Shinchu]

am I the only one that wonders how people have questions about tire size when they are literally staring at the internet?