Mismatched wheels & tires (1 Viewer)

[LBridges]

I feel like this has been asked and answered but I didn't find it just now so a bit of help is appreciated.

I watched for Rock Warriors on Craig'sList, and semi-local Ebay items, for a long time before finally getting a set of 4 that are in decent shape. I have no idea how long it will take to find a 5th.

FYI the 200's suspension is stock and staying that way for a good while.

So what are the considerations given the spare will be a different wheel diameter, offset, tire size, etc.?

Or should I just put the RWs in storage until I can source a 5th?

 

[TeCKis300]

This critical dimension for a spare is matching overall diameter. Get that roughly the same (~3%), and damage to the driveline won't be a concern.

Mismatch of the other variables, such as different tires, offset, and whatever else may cause odd handling traits to some degree, but rarely are we pushing the handling limits on these cars. It'll still get you where you're going just fine. Unless you're way off the beaten path and require a matching tire to get you the where you're going without compromises.

 

[TexAZ]

The size of the wheel doesnt matter, so long as you can get the overall tire diameter to match.
Worst case, put your 18" wheel on the back and move a non flat rw to the front in case of a front tire flat.
It will get you home or to a shop for a new tire

 

[LBridges]

Thanks for the help folks.

I put a "wanted" post in the classified section. If I don't get any offers I'll probably pick up a Tundra steel 18" (tons of those around) and find the closest sized tires between the two differing wheel diameters.

 

[Markuson]

Thanks for the help folks.

I put a "wanted" post in the classified section. If I don't get any offers I'll probably pick up a Tundra steel 18" (tons of those around) and find the closest sized tires between the two differing wheel diameters.

It's true you can get a different tire with a similar diameter...but the reason I suggest finding a similar 17 inch wheel (if not another RW) is because then you can purchase a the same tire, rather than some 18" tire you really won't want in the end. I'd rather buy a matching tire I know I want...with a cheap 17 wheel while you wait for another RW. When you do find it...you can just re-mount the tire from the weird wheel. No money wasted on an odd tire than way.

 

[TexAZ]

Look for an aluminum tundra wheel.
Cruisers have 5 TPMS sensors. The steel wheel requires a different angle sensor. the cruiser ones for the aluminum wheels won't work in the steel wheel.

 

[gaijin]

Well ... I'm probably going to surprise some folks with my comments here - hell, I even surprise myself at times - but I have evidence that Toyota supports using the stock P285/60R18 wheel/tire combo as the spare when mounting the LT285/70R17 tires with TRD RW wheels on the Land Cruiser.

Look at page 8 of this pdf about mounting the LT285/70R17 tires on the RW wheels and pay attention to the Tire Pressure Sticker (Part number 00602-60110) that is supposed to be put over the stock tire pressure sticker:

https://www.toyotapartsdeal.com/installation/40362D86F9D917D98825767800785BB2_Tundra_Sequoia_Land Cruiser TRD Alloy Wheel PTR45-34070-34120 IssF.pdf

This sticker is VERY hard to find, but I found one - here's a pic of the tire pressure sticker as I received it attached to the Toyota invoice:

You will find in the pdf that Toyota only talks about mounting 4 wheels/tires with the LT285/70R17 tires, and the new tire pressure sticker clearly shows the spare as the original P285/60 18 tire.

Usually, with any AWD vehicle, it is important to assure that all 4 tires are within a % or 2 in circumfrence in order to avoid any drivetrain damage. However, it appears Toyota is OK with the difference in circumfrence in this case.

Obviously, if one were to use the odd-size spare, it should be for emergencies only, for short distances only, and should be replaced with a correctly sized tire as soon as possible.

So ... @LBridges , if you are planning on mounting the recommended LT285/70R17 tires on your RW wheels, I'd say you are safe to continue to use your stock spare until you can source a 5th RW wheel. Any other (larger) tire size, you're on your own.

HTH

Edit to Add: If you do mount the LT285/70R17 tires, ignore the 46psi recommendation and use 40psi - it's a long story

 

[LBridges]

@gaijin - your post got me to wondering

The BFG KO2's are available in 275/70/17 and load range E. Which is a closer size to the stock 285/60/18.

tire size calculated diameter
285/60/18 31.46
285/70/17 32.70
275/70/17 32.16

Think Toyota went with 285/70/17 just to keep section width? Maybe the 275's weren't available when the RW wheels first came out? Or?

I guess what I'm really asking is what parameter is most impactful for safe handling? I surely don't want to unknowingly introduce a risky element.

 

[gaijin]

@gaijin - your post got me to wondering

The BFG KO2's are available in 275/70/17 and load range E. Which is a closer size to the stock 285/60/18.

tire size calculated diameter
285/60/18 31.46
285/70/17 32.70
275/70/17 32.16

Think Toyota went with 285/70/17 just to keep section width? Maybe the 275's weren't available when the RW wheels first came out? Or?

I guess what I'm really asking is what parameter is most impactful for safe handling? I surely don't want to unknowingly introduce a risky element.

I don't know what was in Mr. T's mind, but I can assure you that Toyota did a lot of testing under various conditions before recommending the LT285/70R17 tires - this tire size is not a "risky element."

I have run the LT285/70R17 BFG KO tires for several years and have not encountered a single instance where they rubbed or failed in any way.

It makes no sense to me to go smaller than LT285/70R17.

I have 5 tires/wheels the same size because I want the confidence of being able to replace a failed tire/wheel with exactly the same thing and continue on. If I am off road in conditions tough enough to render one of my tires unusesable, I would feel less confident trying to make it out of that situation with a P285/60R18 highway tire. I also like to do a 5 tire rotation to assure even tire wear.

HTH

 

[SWUtah]

If you can do this with rock Warriors I don’t see any problem when I’m running my BFG AT/KO2’s 285/55/20’s and keeping the OEM spare 285/55/20. Closer in size then the RW recommendation?

 

[LBridges]

I don't know what was in Mr. T's mind, but I can assure you that Toyota did a lot of testing under various conditions before recommending the LT285/70R17 tires - this tire size is not a "risky element."

I have run the LT285/70R17 BFG KO tires for several years and have not encountered a single instance where they rubbed or failed in any way.

It makes no sense to me to go smaller than LT285/70R17.

I have 5 tires/wheels the same size because I want the confidence of being able to replace a failed tire/wheel with exactly the same thing and continue on. If I am off road in conditions tough enough to render one of my tires unusesable, I would feel less confident trying to make it out of that situation with a P285/60R18 highway tire. I also like to do a 5 tire rotation to assure even tire wear.

HTH

It did help - thanks.

I don't want to spend the $$ but if no RW comes up in any reasonable time I could source a 285/60/18 in BFG KO2 albeit with a D load range. That seems better (to my limited knowledge) than a P series. Make sense to others as well? Also think that if I was going any meaningful distance the spare would have to be on the rear due to differing wheel offsets, yes?

 

[gaijin]

If you can do this with rock Warriors I don’t see any problem when I’m running my BFG AT/KO2’s 285/55/20’s and keeping the OEM spare 285/55/20. Closer in size then the RW recommendation?

Your OEM spare is P285/50R20, isn't it?

In any event, I'll let you decide what's OK in this case - I can only pass along what Toyota recommends.

 

[gaijin]

It did help - thanks.

I don't want to spend the $$ but if no RW comes up in any reasonable time I could source a 285/60/18 in BFG KO2 albeit with a D load range. That seems better (to my limited knowledge) than a P series. Make sense to others as well? Also think that if I was going any meaningful distance the spare would have to be on the rear due to differing wheel offsets, yes?

You'd have to get feedback from others who have run them, but if you are going to buy a new tire to run as a spare on your OEM 18" wheel, why not get the LT285/65R18 Load Range E BFG KO2's? Should fit - especially if you run it on the rear axle - and the 32.5" diameter is very close to the 32.8" diameter of the LT285/70R17 tires.

And yes, I'd run any spare that wasn't the same size as the other three tires on the rear axle.

HTH

 

[Markuson]

You'd have to get feedback from others who have run them, but if you are going to buy a new tire to run as a spare on your OEM 18" wheel, why not get the LT285/65R18 Load Range E BFG KO2's? Should fit - especially if you run it on the rear axle - and the 32.5" diameter is very close to the 32.8" diameter of the LT285/70R17 tires.

And yes, I'd run any spare that wasn't the same size as the other three tires on the rear axle.

HTH

Why buy a 18" KO2 you know you'll eventually replace with a 17"

I'd buy a cheap 17 OEM wheel and put the same 17" KO2 that you can just swap onto your 5th RW when you find it.

EDIT: Never mind. I'm thinking of 17's on my 100...which fit over brakes no problem, because 16 was stock. The 200 might have issues there, though RWs fit.

 

[gaijin]

Why buy a 18" KO2 you know you'll eventually replace with a 17"

I'd buy a cheap 17 OEM wheel and put the same 17" KO2 that you can just swap onto your 5th RW when you find it.

Since you quoted me ... I wouldn't buy any new spare - I'd run the OEM P285/60R18 wheel/tire.

But out of curiosity, what do you have in mind for a "cheap 17" OEM wheel?" Not sure I know what's out there that would be good on a 200 series ...

 

[Markuson]

Since you quoted me ... I wouldn't buy any new spare - I'd run the OEM P285/60R18 wheel/tire.

But out of curiosity, what do you have in mind for a "cheap 17" OEM wheel?" Not sure I know what's out there that would be good on a 200 series ...

I meant a 17" used wheel. Might be easier said than done...since the 17" used ones that came with Tundras are more often 6 lug.

I see single 17" 5x150 wheels on Craigslist regularly though.

Maybe doesn't matter. Either gonna buy a rim he doesn't ultimately want...or a tire he doesn't ultimately want...

PS. If you (gaijin via Toyota) say it's ok to use his current spare, then I'd wager it's ok.

 

[gaijin]

I meant a 17" used wheel. Might be easier said than done...since the 17" used ones that came with Tundras are more often 6 lug.

I see single 17" 5x150 wheels on Craigslist regularly though.

Maybe doesn't matter. Either gonna buy a rim he doesn't ultimately want...or a tire he doesn't ultimately want...

PS. If you (gaijin via Toyota) say it's ok to use his current spare, then I'd wager it's ok.

First, let me be clear - the best setup is five 17" TRD RW wheels with the same size tires (LT285/70R17). Anything else is a compromise.

If I could not source a fifth RW wheel, I'd run the OEM 18" wheel/tire combo - this is what Toyota expects folks to do when they mount the 17" RW wheels. In fact, when the RW wheels were offered as a dealer option on the Sequoia and Land Cruiser, it was just 4 wheels/tires while the OEM stock spare wheel/tire was retained.

I'm very interested in the 17" 5x150 wheels you are finding on Craigslist! Is there really a cheap 17" alternative to the TRD RW wheels? What vehicle did they come on originally? Width and offset? Load Rating? Any info you can provide would be appreciated.

TIA

 

[Markuson]

First, let me be clear - the best setup is five 17" TRD RW wheels with the same size tires (LT285/70R17). Anything else is a compromise.

If I could not source a fifth RW wheel, I'd run the OEM 18" wheel/tire combo - this is what Toyota expects folks to do when they mount the 17" RW wheels. In fact, when the RW wheels were offered as a dealer option on the Sequoia and Land Cruiser, it was just 4 wheels/tires while the OEM stock spare wheel/tire was retained.

I'm very interested in the 17" 5x150 wheels you are finding on Craigslist! Is there really a cheap 17" alternative to the TRD RW wheels? What vehicle did they come on originally? Width and offset? Load Rating? Any info you can provide would be appreciated.

TIA

Edit: I need retract that suggestion.

I'm thinking back to my 100 days...when 17's fit no problem.

Pretty sure many 17's won't fit over the brakes on the 200, but fit fine on my 100.
My 100 had 16" wheels stock so 17's were not an issue.