Sorry but probably a stupid question.

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On our 4runners, what's the smallest rim size we can run? Seen some guys running 16x??

You cannot run 16". It will touch the caliper. 17" is the way to go unless you never off-road, in which case 18" or 20" are the most popular. I recommend just sticking with a 17x9.
 
You can technically run a 16" rim, I have seen it done, but it is not recommended. It requires a wheel spacer to clear the caliper and you end up with very little backspacing..... 17" is probably what you want.

I added a long brain dump post to the tire fitment guide here http://www.toyota-4runner.org/5th-gen-t4rs/156378-5th-gen-tire-fitment-guide-16.html#post2142550 That plus the info at the top should cover all your questions.

For some reason it is still not linked from the top... So I don't blame you for not finding it. I guess 1e is too busy to add a link at the top.
 
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Since the OP didn't specify the year/version of his 4runner, the answer is difficult. I have an '03 SR5. V6, and the 16" wheels from an "02 fit just fine, without any modification or spacer required. But, I also have the standard brake package. I also have a set of the factory steel wheels for that year, which are also 16".

As I understand it, if you have the Sport or Limited, with the larger brake package, 16" wheels will probably need some modification to fit.
 
Since the OP didn't specify the year/version of his 4runner, the answer is difficult. I have an '03 SR5. V6, and the 16" wheels from an "02 fit just fine, without any modification or spacer required. But, I also have the standard brake package. I also have a set of the factory steel wheels for that year, which are also 16".

As I understand it, if you have the Sport or Limited, with the larger brake package, 16" wheels will probably need some modification to fit.

He posted in the 5th Gen forum. 5th Gen 4Runners come from the factory with 17" wheels at a minimum for a reason. Brake caliper clearance.
 
It's the very first link on the Modifications link, not a standalone link.
http://www.toyota-4runner.org/5th-gen-t4rs/92594-modifications-write-ups-quick-links-faqs.html

Yes, but there are still a lot of questions that the top of the tire fitment guide thread does not answer. It gives a great snapshot overview, but people continue to have detailed questions. Like "could 16" wheels fit".

I complained that the reason we keep getting the same questions over and over is that details are missing from the fitment guide. Thus the reason for my post 16 pages down in that thread. I don't expect anyone to read 16 pages of mostly noise.

And again 16" rims can be made to fit. I have seen it done with procomp steelies and spacers. Not recommended, but totally doable if y you have a 16" fetish. :love:
 
Yes, but there are still a lot of questions that the top of the tire fitment guide thread does not answer. It gives a great snapshot overview, but people continue to have detailed questions. Like "could 16" wheels fit".

I complained that the reason we keep getting the same questions over and over is that details are missing from the fitment guide. Thus the reason for my post 16 pages down in that thread. I don't expect anyone to read 16 pages of mostly noise.

And again 16" rims can be made to fit. I have seen it done with procomp steelies and spacers. Not recommended, but totally doable if y you have a 16" fetish. :love:

Lol it's on the list @wfo9. I would like to edit your dissertation (not for content, just for ease of reading) and post it as the first post. The Fitment guide would be slotted in below yours. Give me a bit of time.
 
Lol it's on the list @wfo9. I would like to edit your dissertation (not for content, just for ease of reading) and post it as the first post. The Fitment guide would be slotted in below yours. Give me a bit of time.

C'mon man! Don'tcha know we are an instant gratification society now? Get up to speed! :becky:
 
:ranger: I am, but I am not.

You could definitely make a 16 fit and probably a 15, if you want to swap out for a smaller caliper and whatever else is needed to make em fit.

I'm sure I could fit skateboard wheels if I really wanted to, but I don't think that's that the OP was getting at lol
 
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