18" G35's, What size tire? 2k I30
10-27-2010, 09:52 PM
#4
A drop doesn't have too much to do with the difference between 225/45/18 and 245/40/18 bc I think they're a similar diameter. The g35 18s are an 8" rim so I personally think 245s look better than 225s and wider is better...
10-27-2010, 11:52 PM
#5
Then I switched to 225's and it's all good!
10-28-2010, 06:16 AM
#8
10-28-2010, 08:36 AM
#9
225-40-18 tires are the cheapest, but that size will throw off your speedo but only a little bit like 1-2 mph
235-40-18 is best if you don't want to throw off your speedometer
245 is too wide IMO
235-40-18 is best if you don't want to throw off your speedometer
245 is too wide IMO
10-28-2010, 10:24 AM
#10
So, I guess the answer is...there is alot of different sizes you can run. Lol
Its all preference??
Last edited by Joeker82; 10-28-2010 at 10:29 AM.
10-28-2010, 11:44 AM
#11
I went with the 45's. We have alot of potholes and such in chicago. I like having a little more sidewall on my tires. That way I'm not blowing tires. And a 45 is still a very low profile.
So, I guess the answer is...there is alot of different sizes you can run. Lol
Its all preference??
So, I guess the answer is...there is alot of different sizes you can run. Lol
Its all preference??
225/45/18 all around if you wanna be cheap and save money on these specific rims.
245/40/18 all around if you wanna be cheap and save money & are running a staggered for example (i.e 8.5 in the back).
10-28-2010, 12:59 PM
#12
No 235/45/18 is ideal because it retains the closest diameter/circumference to OEM tire/rim combo. These tires are also expensive.
225/45/18 all around if you wanna be cheap and save money on these specific rims.
245/40/18 all around if you wanna be cheap and save money & are running a staggered for example (i.e 8.5 in the back).
225/45/18 all around if you wanna be cheap and save money on these specific rims.
245/40/18 all around if you wanna be cheap and save money & are running a staggered for example (i.e 8.5 in the back).
I spent 190 a tire. And I think the 40's were only 30 bucks more a tire.
Sounds like he has some options....
Last edited by Joeker82; 10-28-2010 at 01:06 PM.
10-28-2010, 01:12 PM
#13
Stock:
225/50/17 = 25.9" diameter
Options for G35 18":
225/45/18 = 26"
245/40/18 = 25.7"
235/45/18 = 26.3"
There you have it OP, they are 18x8" rims so you can run anywhere from a 225-255 width. Its up to you want you want...its not about being cheap either.
225/50/17 = 25.9" diameter
Options for G35 18":
225/45/18 = 26"
245/40/18 = 25.7"
235/45/18 = 26.3"
There you have it OP, they are 18x8" rims so you can run anywhere from a 225-255 width. Its up to you want you want...its not about being cheap either.
10-28-2010, 01:36 PM
#14
lol
10-28-2010, 06:21 PM
#15
The answer COMPLETELY depends on what you want from the car. Are you gonna slam it so you tuck rubber? are you trying to track it at an auto X event? are you looking to negate the fact that the wheels are staggered? Are you worried about retaining accuracy in the Speedo? ALL these questions need to be answered before anyone can give you the "BEST" answer.....anyone that tells you different is either lying or doesn't know any better.
an example is my wifes I35 in my sig has 225/40/19 on a 9" wide front wheel but she tucks rubber and doesn't rub at all? but she doesn't auto-x and could care less about the speedo being dead on. Oh and she ran the anniversarry edition Z wheels for awhile on hers too but we stuck with the stock rubber sizes.
an example is my wifes I35 in my sig has 225/40/19 on a 9" wide front wheel but she tucks rubber and doesn't rub at all? but she doesn't auto-x and could care less about the speedo being dead on. Oh and she ran the anniversarry edition Z wheels for awhile on hers too but we stuck with the stock rubber sizes.
Last edited by burgy; 10-28-2010 at 06:55 PM.
10-28-2010, 06:41 PM
#19
The answer COMPLETELY depends on what you want from the car. Are you gonna slam it so you tuck rubber? are you trying to track it at an auto X event? are you looking to negate the fact that the wheels are staggered? Are you worried about retaining accuracy in the Speedo? ALL these questions need to be answered before anyone can give you the "BEST" answer.....anyone that tells you different is either lying or doesn't know any better.
an example is my wifes I35 in my sig has 225/40/19 on a 9" wide front wheel but she tucks rubber and doesn't rub at all? but she doesn't auto-x and could care less about the speedo being dead on.
an example is my wifes I35 in my sig has 225/40/19 on a 9" wide front wheel but she tucks rubber and doesn't rub at all? but she doesn't auto-x and could care less about the speedo being dead on.
Last edited by Joeker82; 10-28-2010 at 06:44 PM.
10-28-2010, 06:52 PM
#20
^Thanks, I think she did a nice job of putting it all together style wise.
there are a few options because you should have any issues with rubbing etc at stock height or even near stock height. I personally would run a 215/45 or maybe even a 215/50 depending on the actual stretch because you would fill the gap some more but not get a ballon effect on the sidewall and still have a nice turn in with the stiffer side wall from being stretched. I would not run the 245/40 up front as it will have a slight balloon and be sloppy compared to the rears. if you want a very stock feel and still a bigger look you may just want to run a 235/40 but they aren't cheap...hope this helps some.
And here is the sickest calculator ever. (not all tires manufacturers products stretch the same so the calculations on stretched tires may be slightly different but they are damn close)
http://www.willtheyfit.com/
there are a few options because you should have any issues with rubbing etc at stock height or even near stock height. I personally would run a 215/45 or maybe even a 215/50 depending on the actual stretch because you would fill the gap some more but not get a ballon effect on the sidewall and still have a nice turn in with the stiffer side wall from being stretched. I would not run the 245/40 up front as it will have a slight balloon and be sloppy compared to the rears. if you want a very stock feel and still a bigger look you may just want to run a 235/40 but they aren't cheap...hope this helps some.
And here is the sickest calculator ever. (not all tires manufacturers products stretch the same so the calculations on stretched tires may be slightly different but they are damn close)
http://www.willtheyfit.com/
Last edited by burgy; 10-28-2010 at 06:54 PM.
10-29-2010, 08:24 AM
#21
^ I agree with you. You can run anything you want, from 215 to 255.
Can you go with stretch? Sure. Does it run the risk of bending your rim over pot holes now. Yep.
Can you go with a fat side wall? Sure. Do you wanna rub on the loose stock suspension, or if you're dropped? Up to you.
With that said, my post was based on speedo accuracy/matching up the diameter/circumference CLOSEST to OEM tire specs (215/55/17, for i35 for example). Your link, as well as http://www.miata.net/garage/tirecalc.html can explain further why (to those that dont understand).
On my second point, and as a general rule of thumb, 225/45's and 245/40's are comparatively cheaper to buy than 235/45. If you need more proof on that, price out on tire rack.
I have rolled fenders, realigned my rear beam after a 1 finger gap drop all around (not pictured in sig), with a very stiff preload and dampening, still occasionally have a very slight rub on 245/40s on my track edition wheels. 18X8.5 +33.
Can you go with stretch? Sure. Does it run the risk of bending your rim over pot holes now. Yep.
Can you go with a fat side wall? Sure. Do you wanna rub on the loose stock suspension, or if you're dropped? Up to you.
With that said, my post was based on speedo accuracy/matching up the diameter/circumference CLOSEST to OEM tire specs (215/55/17, for i35 for example). Your link, as well as http://www.miata.net/garage/tirecalc.html can explain further why (to those that dont understand).
On my second point, and as a general rule of thumb, 225/45's and 245/40's are comparatively cheaper to buy than 235/45. If you need more proof on that, price out on tire rack.
I have rolled fenders, realigned my rear beam after a 1 finger gap drop all around (not pictured in sig), with a very stiff preload and dampening, still occasionally have a very slight rub on 245/40s on my track edition wheels. 18X8.5 +33.
Last edited by din9lebeRrY; 10-29-2010 at 08:27 AM.
12-23-2010, 06:19 PM
#22
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Join Date: Feb 2008
Location: Central TX
Posts: 338
Well, just wanted to update; I ended up getting some lightly used michelin 245 40 18's for a deal. I love the way the wheels look on my I30; much more agressive IMHO and the steering feels much stiffer.
Thanks for the recommendation guys!
MERRY CHRISTMAS!!!
Thanks for the recommendation guys!
MERRY CHRISTMAS!!!
01-16-2011, 08:13 AM
#27
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01-16-2011, 09:48 AM
#28
01-16-2011, 01:07 PM
#30
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Join Date: Feb 2008
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Yeah, bought it like that from the original owner, old Judge from DFW area, all wor done at Sewell Dealership. I guess I was willing to deal with it for a low miles clean car; Plus I love black on black. Its not a decal, its some sort of light paint that would need to be wetsanded and buffed out.
01-19-2011, 11:18 AM
#32
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Join Date: Dec 2010
Location: South Florida
Posts: 41
CustomLowz, now that's what I'm talking about...wide and low...but not too low. Anyone else running 255/35/18...on an I? (pics please) Facing slight dilemma w/my 02 I35. About to throw on some GR-2's and Megan springs (1.8f, 1.6r I think) with 06 M35 18's (haven't seen these used much but they're hot to me). Maxima bodywork is quite sporting compared to I30/35 so its hard to tell if suspension/wheel/tire set-ups translate equally. Seems like many dig the 245/40 but I'd like a little less side-wall with that wide look...of course I'd like the tires to fill the wheel wells also. After calculating it all 265/35 is closest, but that may look silly on 8" rim. Think I'm gonna drive the tire shop crazy trying on 4 or 5 different sizes LOL
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