biggest tire size? [Text View] - VehiCROSS.info Forums

Pepino

03/18/2008, 04:10 PM

anyone know what is the biggest tire you can put on a non lifted VX with no trimming with 18'rims?
its time to change my tires and i want to get the biggest size

thx!

Cobrajet

03/18/2008, 05:39 PM

That's easy. 285-55-18. Absolutely no trimming required. Go with 285-60-18 and you may need to trim.

rowhard

03/18/2008, 05:56 PM

I had to trim the front when I went to a 285/60/18 on the OEM wheel, but it was very minor trimming

LittleBeast

03/18/2008, 09:45 PM

Just thumbing through some other forums and some jeep and toyota dudes have been running 33x12.5s on their stock rims that are 16x7!!!!! Some report slight uneven wear, others minor rubbing, but some swear by it and say they have been doing it for years with no problems.
I for one have the 285/60-18 (Terra Grapplers) on the VX currently and have loved them, however I am looking at getting the 285/65-18 or just going for the 33x12.5-20s that LDub and others have.
What craziness would happen if I were to try to fit 33x12.5-18 on the stock 7" wide rim? Terrible rubbing, or would that be taken care of with a hammer to the wheel well, uneven tire wear, chance of tire unseating?
I know DiscountTire certainly wouldn't do it, but I would be interested in seeing if it is possible with the right no name shop, man that would be near impossible to get that tire to seat over that wheel lip when installing huh? Oh and I did read on a different forum that someone pulled off a 35x13.5-15 on a 7" rim with no problems!

BL44ST

10/08/2008, 06:17 PM

whats the biggest if you were to get the lift kit for it?

H3_VX

08/09/2011, 04:52 PM

Will 32x11R18 (275/65/18) Toyo Open Country A/T's fit with no modifications or trimming?

VX KAT

08/09/2011, 05:07 PM

Will 32x11R18 (275/65/18) Toyo Open Country A/T's fit with no modifications or trimming?

Rowhard has those Toyos in 285/60-18.
Here's a tire size calculator that's really handy when you're comparing different sizes to see how they'll fit compared to stock etc....
Comparing those two sizes, looks like the 275 is 32.1" vs the 285 is 31.5 and is also a little narrower.
http://www.rimsntires.com/specs.jsp

http://www.vehicross.info/gallery/data/500/IMG_05012.jpg

Triathlete

08/09/2011, 05:14 PM

Again and again hill....fun, fun, fun! :)

Triathlete

08/09/2011, 05:17 PM

Will 32x11R18 (275/65/18) Toyo Open Country A/T's fit with no modifications or trimming?

I think you would be alright if sticking with stock rims...maybe some slight unnoticeable trimming of the inner front wheelwell cladding. If you got a tireshop relation they should have no problems doing test fits.:yesy:

Ldub

08/09/2011, 06:08 PM

Will 32x11R18 (275/65/18) Toyo Open Country A/T's fit with no modifications or trimming?

Kudos to you H3, you've obviously taken the time to learn search function usage, or you would'v never even found this thread.
Also, you mentioned site support in another thread, that indicates, to me at least, that you already know the benefits of S-S, beyond posting pics.

Both factors elevate you, IMO, to "stellar noob"...:dance:

Well play'd!

ZEUS

08/09/2011, 06:37 PM

Again and again hill....fun, fun, fun! :)More fun for some than for others. :o

H3_VX

08/09/2011, 06:38 PM

Kudos to you H3, you've obviously taken the time to learn search function usage, or you would'v never even found this thread.
Also, you mentioned site support in another thread, that indicates, to me at least, that you already know the benefits of S-S, beyond posting pics.

Both factors elevate you, IMO, to "stellar noob"...:dance:

Well play'd!

LOL, I might be somewhat of a noob to this forum, but I frequent many others. So I know what makes some people upset (i.e. redundant threads about the same things). :bwgy:

H3_VX

08/09/2011, 06:39 PM

Rowhard has those Toyos in 285/60-18.
Here's a tire size calculator that's really handy when you're comparing different sizes to see how they'll fit compared to stock etc....
Comparing those two sizes, looks like the 275 is 32.1" vs the 285 is 31.5 and is also a little narrower.
http://www.rimsntires.com/specs.jsp

http://www.vehicross.info/gallery/data/500/IMG_05012.jpg

Wow, those look good on the VX. I think I'm gonna get those for the VX and I'm gonna end up getting Nitto Terra's on the H3.

Riff Raff

08/09/2011, 10:18 PM

Will 32x11R18 (275/65/18) Toyo Open Country A/T's fit with no modifications or trimming?

Yes, the 275/65R18 (32" O.D.) size will fit bolt-on perfect on a OEM Stock non-lifted VX if using the OEM 18x7 rims. You WILL need to trim the front-forward inner cladding very slightly (a tiny triangle trim) due to the 32" O.D. height. I'm currently running the Grabber AT2 in 275/65R18-116S (32" O.D.) w/OEM 18x7 rims on my 100% OEM Stock non-lifted Proton with absolutely no issues. It will totally "fill-up" the huge wheel-well gaps of the VX with pure tire (no gaps).

A word about the Toyo - Open Country A/T in 275/65R18 (32" O.D.). There are six(6) different part numbers for this particular tire:
(1). Part# 300640 (42.3 lbs) OWL
(2). Part# 301640 (47.4 lbs) BSW
(3). Part# 300440 (51.0 lbs) BSW
(4). Part# 300600 (51.2 lbs) OWL
(5). Part# 300680 (51.2 lbs) OWL
(6). Part# 301600 (51.2 lbs) BSW

In the wider; but stubbier 285/60R18 (31.3" O.D.), you WILL also need to trim about the same amount of front-forward inner cladding due to the wider swing-arc of the 285 series. Besides the Toyo - Open Country A/T in 285/60R18, please take a peek at the following tires in the same size before making your final decision:

Cooper - Zeon LTZ (see Photo Gallery of "VX-KAT")
Pro-Comp - All Terrain (see Photo Gallery of "BoarderCross")
BFG - gForce T/A KDW2 (new radical looking street tire)

Major difference between the two sizes:
Pick 275/65R18 for a generous 1.25" ground clearance gain.
Pick 285/60R18 for a slightly wider stance with a modest 0.9" ground clearance gain.

As "CobraJet" mentioned above, if you don't want to trim your front cladding, then pick 285/55R18 (30" O.D.). Although choices in this size are very limited.

:bgwb:

VX KAT

08/09/2011, 10:31 PM

Yes, the 275/65R18 (32" O.D.) size will fit bolt-on perfect on a OEM Stock non-lifted VX if using the OEM 18x7 rims. You WILL need to trim the front-inner cladding very slightly (a tiny triangle trim) due the the 32" O.D. height.

Just to clarify, I believe it's the front OUTER cladding that may need the triangle trimmed. I did that on mine for the 285/60s.
http://www.vehicross.info/forums/showpost.php?p=202761&postcount=16

Riff Raff

08/09/2011, 10:41 PM

whats the biggest if you were to get the lift kit for it?

Typically, the largest O.D. tire size put on "lifted" VX's is the 35" O.D. The easiest fitting 35" O.D. tire for the VX with the least amount of installation headaches is the 285/75R18. Incidentally; the 285/75R18 tire will still fit on the 2000/2001 OEM 18x7 rim, and by doing so will reduce installation fitment issues to the bare minimum.

There are only four(4) tires manufactured in the 285/75R18 (35" O.D.) tire:

(1). Toyo - Open Country A/T (only A/T made in this size).
(2). Toyo - Open Country M/T (traditional non-studdable M/T tire).
(3). Maxxis - M/T "Big Horn" (only studdable M/T tire in this size).
(4). G/Y - Wrangler M/T-R with Kevlar (only asymmetrical tire in this size).

:bgwb:

vt_maverick

08/10/2011, 11:57 AM

tom4bren

08/10/2011, 11:59 AM

Others can offer much more direct knowledge and experience...

That's all the opening I needed:

VX was made for offset!!!

H3_VX

08/10/2011, 01:35 PM

Triathlete

08/10/2011, 01:43 PM

It takes a bit more than just a lift to fit 35's:smack:

vt_maverick

08/10/2011, 01:55 PM

What is the stock diameter? Is it 30x10.5.

Stock '01 tires were 245/60/18, which is roughly 29.57 x 9.65. As Riff already mentioned the stock rims are 7" wide.

Riff Raff

08/10/2011, 04:18 PM

Stock '01 tires were 245/60/18, which is roughly 29.57 x 9.65. As Riff already mentioned the stock rims are 7" wide.

VT--- your numeric "stat's" are dead-on target IAW the Discount Tire website Info Center & Tire Calculator:

http://www.discounttire.com/dtcs/infoTireMath.dos

Other fun tire websites are www.1010Tires.com (my personal favorite for comparing 5 different sizes side-by-side); www.TireRack.com (great for individual tire weight in lbs); www.Tires-Easy.com (unbelievable selection at killer prices); www.OnLineTires.com (good selection with decent prices); www.Treadepot.com (oftentimes the frickin' lowest prices found anywhere in the USA, but somewhat limited on brands); and www.DiscountTire.com (link above) tire calculator for estimating your new "speedometer error" at various MPH travel speeds.

:bgwb:

VX KAT

08/10/2011, 04:21 PM

and the tire /rim calculator I like best....it's got the best visual interface IMO:
http://www.rimsntires.com/specs.jsp

Marlin

08/11/2011, 05:48 AM

A word of caution on these "fit like a glove" statements - 32" tires with zero lift will fill up the visible wheel opening on a flat road, but you need to consider the effects that full articulation may have if you plan to do any offroading. That is some nice dark cladding you have there H3, would be a shame to crunch it the first time you go crawling.

Others can offer much more direct knowledge and experience, just throwing it out there as food for thought.

32s on OEM offset will not touch cladding. 34s at OEM offset will rub in the front and rear on full flex on the points of the wheel wells, but not crunch the cladding at the top. That is at OEM ride height. I don't know about the rear since I am lifted 3" or so.
To fit the 34s, I had to do some trimming and pounding, but it looks fine unless you look inside the wheel well from underneath. If they are looking under my skirt, there are worse things to see other than my pounded steel.:)

08/11/2011, 07:43 PM

If they are looking under my skirt, there are worse things to see other than my pound of steel.:)

There ya go - I fixed if for you, big boy.:p:p:p;);):o:o

PK

Marlin

08/12/2011, 03:54 AM

There ya go - I fixed if for you, big boy.:p:p:p;);):o:o

PK

Damned spell check, it always "screws" up my point.

H3_VX

08/22/2011, 06:19 PM

Stock '01 tires were 245/60/18, which is roughly 29.57 x 9.65. As Riff already mentioned the stock rims are 7" wide.

I think I may have just found a couple more options I might consider.

Falken WildPeak AT P265/60/18 (30.6x10.7)
Hankook Dynapro ATM 255/60/18 (30x10.2)
Hankook Dynapro ATM 265/60/18 (30.5x10.7)
Hankook Dynapro ATM 265/65/18 (31.5x10.7)

I don't think any of these should need trimming or torsion bar adjustment..........

Also, can anyone tell me what the biggest tire size that would fit in the spare swingate would be? Would any of the above sizes fit?

drowd

09/22/2011, 07:22 PM

I don't think any of these should need trimming or torsion bar adjustment..........
So, I am in the exact same spot. I've been doing research for hours now, reading and re-reading this thread, checking out some of the setups in the rims-n-rubber thread.

Unfortunately, especially in the wheels / tires combination thread, it seems like there is some conflicting information about what diameter will required a shave on the cladding.

This might be a basic misunderstanding on my part, but I am primarily looking at the diameter as the bottleneck for what combination you can have. By plugging some numbers into the Tire Size Calculator, I found:

285/55-18 -- 30.3 inch diameter
275/65-18 -- 32.1 inch diameter
265/65-18 -- 31.6 inch diameter

By making a few notes from the other thread, it seems that around 32 inches in diameter is where you start to need to make adjustments to the cladding.

I believe someone earlier in this thread indicated that 275/65-18 should work, and I just wanted to double check. I am really hoping that the BFGoodrich All-Terrain T/A KO 265/65-18 (http://www.tirerack.com/tires/tires.jsp?tireMake=BFGoodrich&tireModel=All-Terrain+T%2FA+KO&partnum=665R8ATAKORWL) will be a good fit (I currently have 18 inch American Racing wheels from the prior owner).

Any additional insight is much appreciated!

vt_maverick

09/22/2011, 07:33 PM

drowd - The real issue is the swing arc of the tire, in other words, the arc made by the outside of the tire as you turn the steering wheel back and forth. The arc is influenced by three major factors: section width (the 265), overall diameter, and wheel backspacing (how far the wheel sticks out from the hub). Different combinations of these dimensions will result in different arcs, which will in turn require different levels of cladding trimming.

As an example, I have 265/60/18 tires on my VX. That makes for about a 30.5" diameter, which on an OEM 18" wheel with -38mm backspacing won't touch the cladding. BUT I'm running an aftermarket 18" wheel with +2 backspacing, so they rub just as much as someone running 285/60/18s on their OEM wheels.

Generally speaking, if you stick with the OEM wheels you should be able to run the 265/65/18's without much (if any) trimming. But keep in mind that our VX's were assembled by hand, so there is some variation from rig to rig. In any case, the trimming required really isn't significant.

Hiredgoon

09/22/2011, 08:26 PM

VX KAT

09/22/2011, 08:59 PM

Don't forget the profile of the tire's edge if you're really close. A more rounded edge will be more forgiving than a very square one, and a lot of M/T tires have a very square edge. Going with a slightly less aggressive tire may make the difference between trimming or not.

That's exactly what happened with my Nitto Terra Grapplers on my GX470, so I got a slightly less aggressive A/T tire, same size, but with a more rounded shoulder and no more rubbing (and no more shimmy). And the best part is I transferred the NTGs to the VX...;Do;:heart:....so everything is good now! :thumbup:

drowd

09/23/2011, 12:27 AM

Ok, so I think I understand about the swing arc. I still have trouble understanding how offsets work, but that basically has to do with how far the tires/wheels stick out from the car, right? I guess I don't understand how it affects the arc, though.

So I think the wheels are American Racing Fuel 18x8. Will that wheel coupled with 265/65-18 tires likely result in rubbing between the cladding and the tire (assuming a more aggressive tire, I suppose).

It seems like while there are some maths involved, there is also a fair bit of try-it-on-and-see. So if I order these tires, I'm assuming I will find out pretty quickly if I need to trim the cladding. In the event that that occurs, how trivial a feat is it to shave some of that off?

Thanks everyone for the responses!

VX KAT

09/23/2011, 01:13 AM

Here's some pics that should help you see the difference. The first 4 pics are the Nitto Terra Grappler, they have very square shoulder design....meaning the shoulder is closer to a 90 degree angle (tread are to side area).
By contrast, look at the Yokohoma Geolander AT/S and you can see the shoulder is more rounded.

If you think of that tire turning, you'll see that one of the first areas where a tire is going to rub something within the wheel well is the tire shoulder area. The shoulder is the tread blocks on the outer most ring of the tire. The NTGs have quite square outer tread blocks, and thus, a square shoulder.

Also, here's a really helpful tire/wheel size calculator that shows a grea t visual of the tire/rims size, offset, etc...
http://www.rimsntires.com/specs.jsp

Plug in your OEM specs (245/60-18), then your proposed size. You'll need to get "OFFSET" number for this to be valid. The RED center wheel in the diagram shows you how offset affects how far out the rim is specific to your proposed rim. If you think about it, the further out the tires are, the more likely they are to hit the cladding on the swing arc (when turning). For reference out OEM rims are +38 offset.

http://i1099.photobucket.com/albums/g386/photokat4/MISC%20VX%20PICS/DSC_0280.jpg

http://i1099.photobucket.com/albums/g386/photokat4/MISC%20VX%20PICS/DSC_0283.jpg

http://i1099.photobucket.com/albums/g386/photokat4/MISC%20VX%20PICS/DSC_0282.jpg

http://i1099.photobucket.com/albums/g386/photokat4/MISC%20VX%20PICS/DSC_0278.jpg

http://i1099.photobucket.com/albums/g386/photokat4/MISC%20VX%20PICS/61MEDFBjpeL_SL500_AA300_.jpg

Here's some visual help. These are my Cooper Zeon LTZ 285/60-18s front driver's tire turning, you can see where the "shoulder" would be the first to rub the cladding on the swing arc. Thees tires have fairly square shoulders, but not as much as the NTGs.
http://www.vehicross.info/gallery/data/2/DSC_0579.JPG

So, to solve that, I cut a small triangle shaped piece from the FRONT, OUTER section, and that's all it took to prevent the rubbing. It's VERY VERY easy to cut the plastic cladding, especially in a straight line. A sawzall works, and so does a Dremel.

http://www.vehicross.info/gallery/data/500/PictureVX_KODAK_MOMENTS_664.jpg

There really is a ton of threads on this topic, you might try the search function and see if you can dig up some of them for reference.
HTH!
Good luck to you.

Ldub

09/23/2011, 05:32 AM

drowd

09/23/2011, 08:12 AM

thanks everyone for the help, you guys are awesome!

vt_maverick

09/23/2011, 08:28 AM

Regarding how offset affects the swing arc, you're correct in that the offset determines how far the wheel (and therefore the tire) sticks out from the axle/body of the truck. You can visualize how that affects the swing arc as a Venn diagram, with two circles basically overlapping. The more negative the offset the farther the tire sticks out, which results in a different positioned circle.

Riff Raff

09/23/2011, 04:45 PM

Drowd--- Hmmm, it sounds like you may be encountering the exact same issues as VX members "ScottinMA" and "Mile High VX" once experienced in the past. Both of these members have non-lifted stock VX's and have wider offset aftermarket rims and wanted to minimize rubbing when it came to tire replacement.

In the end after much intensive research and various fitment auditions, they both decided that the Yokohama - A/T-S in 275/60R18 (31" O.D./42 lbs) with its rounded smooth tire tread edge was the only available A/T tire that solved their rubbing interference problems.

This particular Yokohama tire is the only true A/T made in this unique rare size of 275/60R18 in the world, and I highly recommend it for your specific situation. Please read the below threads in explicit detail for more information on this rare sized tire:

http://www.vehicross.info/forums/showthread.php?t=16616&highlight=yokohama+a%2Ft-s+275%2F60R18

http://www.vehicross.info/forums/showthread.php?t=16947&highlight=yokohama+a%2Ft-s+275%2F60R18

:bgwb:

drowd

09/23/2011, 05:12 PM

:bgwb:

Thanks a ton! This might be just the tire I was looking for, this forum is really unmatched with how helpful and friendly it is. Thanks all!

Ldub

09/23/2011, 05:29 PM

Thanks a ton! This might be just the tire I was looking for, this forum is really unmatched with how helpful and friendly it is. Thanks all!

LOL...:laughing:

You should see us in action during election time every four years...:uhohgray:

Or when a ref makes a bad call...like 7 yrs ago...:rolleyesg

It can get stupid ugly...:laughing:

Cobrajet

09/24/2011, 06:08 AM

TEXAGGIE-VX-01

07/21/2014, 03:35 PM

I'm wanting to know if the Nitto Terra Grapplers 275/6518 will fit

VX KAT

07/21/2014, 03:52 PM

I'm wanting to know if the Nitto Terra Grapplers 275/6518 will fit
Did you review and read THIS thread from the beginning? That size is dicsussed, as well as 285/16-18, so you can compare those specs, plus I give a reference to a tire size calculator to help you figure it out, in post #7 and #23, Dub gave a tire size diagram, and I attached a picture showing exactly what may need to be trimmed....

Remember, the search function is your friend....especially with a VERY common question like this. :yeso:

TEXAGGIE-VX-01

07/28/2014, 10:30 AM

They ended up fitting with minor trimming to the front. These are the 275/65R18's
https://scontent-b-dfw.xx.fbcdn.net/hphotos-xpf1/t1.0-9/10392390_10204296009619220_5655869878959376627_n.j pg

VXCanada

07/28/2014, 11:06 AM

Yokohama 280/60R18 Geolander AT/S on 18x8.0 wheels require a bit of trim on the front. Very minor.

http://i160.photobucket.com/albums/t172/jazzmz3/DSC_0407-001_zps4a618f6c.jpg

T.

vx1999

10/28/2014, 04:55 PM

Try this tire size calculator to compare what you have to alternatives:

http://www.discounttire.com/dtcs/infoTireMath.do

Mile High VX

10/28/2014, 05:06 PM

Try this tire size calculator to compare what you have to alternatives:

http://www.discounttire.com/dtcs/infoTireMath.do

Remember that if you're using aftermarket rims with a different offset than the +38 OEM this is good for speedometer variance but won't tell the whole story on what cladding trim might be needed...:bgwo::smilewink