GX - 1st Gen (2004-2009) Discussion topics related to the 2003 -2009 GX470 models

285's on a stock GX

Old 06-05-15, 06:29 AM
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Project470
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Your tires are about the same diameter as a stock setup. 285/60/18 is a 31" tire. 285/70/17 is nearly a 33" tire the extra sudewall is why they are better off-road and the reason why even with a zero offset rim side steps still need to be trimmed. I have 265/7017 durratracs and they are very close to rubbing my side steps as they are just about a 32" tire.
Old 06-05-15, 07:12 AM
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BlackCat81
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Originally Posted by Project470
Your tires are about the same diameter as a stock setup. 285/60/18 is a 31" tire. 285/70/17 is nearly a 33" tire the extra sudewall is why they are better off-road and the reason why even with a zero offset rim side steps still need to be trimmed. I have 265/7017 durratracs and they are very close to rubbing my side steps as they are just about a 32" tire.
My tires measure just shy of 32".
It was 31.7 if I remember right.
Old 06-05-15, 04:02 PM
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470SNC
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the 285/70/17 have a taller sidewall which will cause it to rub on the inner part of the front bumpers on full turn and also on the running board
Old 06-06-15, 06:17 AM
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BlackCat81
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Originally Posted by 470SNC
the 285/70/17 have a taller sidewall which will cause it to rub on the inner part of the front bumpers on full turn and also on the running board
I'm not disagreeing, in fact I sort of think it's a moot point since these tires would NEVER fit with stock rims. They'd rub like crazy 3 different ways from Sunday. He'd need a lot of wheel spacer to even consider it. But the largest part of the rubbing on the lower portion of the running boards, where there's plenty of material to be safely removed and still look presentable.
Old 06-10-15, 11:25 AM
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GreatHim
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wrong, you DO NOT need a lift to fit 285s. i bought my GX in dec and 2 days after owning in it put on my 285s off my 4runner and havent looked back. now as @Ali SC3 stated the tundra wheels and FJC wheels give more clearance, and are what im using so i cant say to a factual statement that the stock GX wheels will work, but you can fit a 285 tire on a stock height GX and it remain driveable. yes there is some slight rub at one spot but thats easily fixed with a heat gun to the inner fender liner and front of the running board/lower fender flare inside the wheel well.

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Old 06-10-15, 01:07 PM
  #21  
Chiefer
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Awesome. I'm going for it. Do you know the offset in those 'FJC?' rims? Any ride difference one might note?

Thx!
Old 06-10-15, 01:11 PM
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Ali SC3
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Greathim, that looks great actually suprised it worked so well at stock height, still the lift looks nice maybe we can get you over to the darkside sometime =)

The stock rims which are 25mm offset and it definitely will not fit most 285's due to contact with the A-arm.
Its only working because you used the FJ rims which are same width but the 15mm offset, thereby giving you 10mm more clearance to the A-arm, otherwise your tire would be making love to it all the time, forget the running boards or fender liner.

thre may be a slight chance you might be able to pull it off on stock rims and height with an aftermarket upper control arm but even that is risky.
with the 15mm offset wheels it still is close to the A-arm but there is at least like a finger gap which makes it all work again.
so far so good no marks on the insides of the tires and no marks on the A-arm (have been checking frequently).

plus the Tundra and FJ wheels look really nice on the GX. the 10mm pushes them out to the fender and fills it out much better than the stock sunken rims.
another worthy mention for the stock rims, I would strongly discourage anyone using the 1" or 1.5" spacer adapters on the stock wheels for both safety and convenience reasons just to run 285's.

safety: They work and some people swear by them, but look up when they go wrong, if they were perfectly safe or foolproof then there would not be those stories out there of sheared lugs, or the spacer coming loose and backing off etc.. some people claim its a proper torque problem and use loctite, but sorry when you have to depend on loctite to keep your wheels from falling off then its not that foolproof or safe.

convenience: if you have ever rolled up to a tire place with a flat and spacers on, you would know they turn you away 99% of the time, so every time you have a flat or need tire service, you have to put the spare on yourself, take the flat in separate, then they give it back to you because they will refuse to mount it with a spacer and usually it wont fit back on without the spacer because that is why you needed a spacer remember, then you have to go home and unmount the spare and remount the repaired flat. you could involve a second car and leave that one on jack stands, but compare this to where you have the right wheels and no spacer, and you just drive it in, and drive it out having touched literally nothing, this is nice on a bad day where you had a flat somewhere random.
been there done that with some trucks no thanks, I will rock the tundra/FJ/ or aftermarket rims I am off the spacers and if you can afford it you should avoid them also.

when you have the option to achieve a good look without an adapter spacer, that is hands down the safest decision you can make. safety and convenience stop me from putting spacers on my vehicles unless its a pure offroad machine, then yeah do whatever you want to it you will likely be changing rims and tires all the time anyways with another vehicle.
That is how I arrived at my combination of parts, 2.5" lift, 285/70/17 on tundra 15mm offset wheels, and stock upper A-arms which I like cause stock balljoints are good quality vs some of the cheaper aftermarket arms wont have their balljoints last as long. the higher end aftermarket arms have better than stock options, but you have to pay alot for those you might as well just get aftermarket wheels if you are not lifting the car as that will solve the clearance issue and retain stock arms. aftermarket arms are meant mostly for those who do a large lift and need more caster adjustability than stock, not to clear the stock wheels with huge tires (although it would help a smidge).

In hindsight though I may have gone with just a 1.5"-2" lift since Greathim has shown above it can be done at stock height with the right toyota wheels. it wouldn't throw the caster out as much as a 2.5" lift.

another worthy mention I noticed when I did mine, with a lift , then I trimmed the plastics, then I got an alignment and noticed then the whole tire moved forward in the wheel well some, as in towards the front of the car due to the alignment. I am not sure if this is corrected with aftermarket A-arms or not, but it required me to go back and trim the front fender a second time as it rubbed again after the alignment. just throwing that out there if doing with a lift likely you will need to trim once to get it to drive down the road, and trim just the front liner again after the alignment

Last edited by Ali SC3; 06-10-15 at 01:28 PM.
Old 09-05-15, 07:19 PM
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Chiefer
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How did the truck run in Moab? I actually really like the 18" rim.
Old 09-06-15, 08:38 AM
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Originally Posted by Chiefer
How did the truck run in Moab? I actually really like the 18" rim.
Perfect! I was REALLY hard on it too. My rear air compressor went out after I got home and I'm doing an FJ spring conversion. Just waiting for my metal tech kit to show up. It was the first thing I ordered and the last to arrive. I wouldn't hesitate to do the 18's, I love them.
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Old 09-17-15, 08:51 PM
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Originally Posted by BlackCat81
Perfect! I was REALLY hard on it too. My rear air compressor went out after I got home and I'm doing an FJ spring conversion. Just waiting for my metal tech kit to show up. It was the first thing I ordered and the last to arrive. I wouldn't hesitate to do the 18's, I love them.



What tires are you using?
Old 09-18-15, 12:01 AM
  #26  
BlackCat81
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Originally Posted by Shinobiend
What tires are you using?
Nitto Terra Grapplers.
Old 09-29-15, 07:37 AM
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Originally Posted by Project470
Looks good, but I think chiefer is interested in 285/70/17s which are taller than 285/60/18s.
Yeah that extra height gonna be an issue. I have 285/60/17 and there is no rubbing at all.Granted mine are mounted on FJ wheels with a slightly different off set. I want to go to BlackCats set up and hope the extra inch in the wheel diameter doesn't make things rub. Every vehicle is a little different.
Old 09-29-15, 07:43 AM
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Originally Posted by GreatHim
wrong, you DO NOT need a lift to fit 285s. i bought my GX in dec and 2 days after owning in it put on my 285s off my 4runner and havent looked back. now as @Ali SC3 stated the tundra wheels and FJC wheels give more clearance, and are what im using so i cant say to a factual statement that the stock GX wheels will work, but you can fit a 285 tire on a stock height GX and it remain driveable. yes there is some slight rub at one spot but thats easily fixed with a heat gun to the inner fender liner and front of the running board/lower fender flare inside the wheel well.

IMG_9366 by Isaac Yocum, on Flickr
IMG_9562 by Isaac Yocum, on Flickr
Same set up here, no rub...
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Old 09-29-15, 08:28 AM
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Good info in this thread! Ready to stuff some 285's under mine!
Old 09-29-15, 09:06 AM
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Okay understood, but it may also have to do with what kind of tread on that 285, obviously a mud terrain won't fit without rubbing. My Cooper Discoverer ATPs have pretty tall tread and with a lift they still rubbed to the point I had to trim the inside of the front bumper and take off my steps, but I guess it varies with each tire.

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