Largest Tire in Factory Spare Location

wedemmoez

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2024 Heritage Blue Land Cruiser Premium, 2007 Porsche Cayman S
For those of yall that have replaced the spare with a larger tire, what sizes are yall able to cram in there? I'm thinking of putting 285/65/18 Wildpeaks in there, on the stock Tundra TRD Pro wheel. Anyone got sizes that are close?
 
I'd love to have a huge table of tire sizes (and brands) with "fits in the spare location" and "doesn't rub at full turn" and "doesn't rub at full flex" (with and without swayer disconnect).
If enough people report, I’ll add it in the OP or link to a google sheet with that info.
 
If enough people report, I’ll add it in the OP or link to a google sheet with that info.
I saw in another post that the B.F. Goodrich All-Terrain T/A KO3 275/70R18 "barely fits" in the spare location.

I started a table (focused on what fits and works on the stock 18" wheel). I also saw a larger table someone posted before with info for many more tires but I can't find it any longer! If anyone can point me to it, please do. This very limited table has a strong bias for 33" tires since I saw a Toyota/Lexus rep say that's what these are designed for.

2024 Land Cruiser Stock 18" Wheel Tire Options
 
I also saw a larger table someone posted before with info for many more tires but I can't find it any longer! If anyone can point me to it, please do.

Not sure if you're referring to my post, it has a column for actual diameter if you know what the max is for the spare spot:

 
Not sure if you're referring to my post, it has a column for actual diameter if you know what the max is for the spare spot:

That's it, thanks! And those are all the manufacturer's diameters?
 
I placed 275/70/r18 Toyos AT3s (33s) and bought a cheaper Corsa AT for the spare. Confirmed the spare did fit, but I’m a little concerned even though it sits up higher than the clearance of the rear differential of potential drag while OR. Maybe there’s a narrower 33 AT out there for the spare or just go out there “as is” and not worry…
 

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I placed 275/70/r18 Toyos AT3s (33s) and bought a cheaper Corsa AT for the spare. Confirmed the spare did fit, but I’m a little concerned even though it sits up higher than the clearance of the rear differential of potential drag while OR. Maybe there’s a narrower 33 AT out there for the spare or just go out there “as is” and not worry…
Update: was concerned tire too close to muffler and potential of catching 🔥 So switched the wheel chain ⛓️mechanism side to pull/release from driver’s to passenger's side. Made a big difference in space (3") between spare and muffler (Note: bar will turn in opposite directions to lift or lower spare). You'll need to pry open last link/frame lip holder to release chain (pry part of hammer and mallet) then feed it with a needle nose. Requires 2 ppl. Also used a bungee cord to mitigate chain rattle :)
 

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Shopping wheels and spare fitment is a serious consideration. Ran across this. Not sure what they are doing under there (moving it to the side?) but that 34.8" tire is hanging way down and does not look good and presents functionality problems as well.

I am considering options for better fitment by deflating the spare (will have air obviously). Or I am considering just running a mismatched spare to limp out/limp to tire store if necessary.



1726344492991.png
 
Shopping wheels and spare fitment is a serious consideration. Ran across this. Not sure what they are doing under there (moving it to the side?) but that 34.8" tire is hanging way down and does not look good and presents functionality problems as well.

I am considering options for better fitment by deflating the spare (will have air obviously). Or I am considering just running a mismatched spare to limp out/limp to tire store if necessary.



View attachment 11623

imo 275/70/18s (33s) are the sweet spot. Less headaches
 
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That’s because 285/70r18 doesn’t fit up there, and they just cranked it til it was tight, not within its enclosure. 275/70r18 fits (tried both at Discount).
 
Toyota just mounted my 285/70/17 in the spare cargo area and they cautioned me because it hangs below the diff. Anyone else’s spare with 33”+ hang below the diff??
 
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