Did you upgrade your spare when you changed tire size?
07-26-2013, 03:46 PM
#11
Keepin' the lights on!
It should fit. The Ford Raptor spare fits up under there and that's 34.5" x 12".
07-26-2013, 06:29 PM
#13
Senior Member
I upgraded to 33s, and figured once I wore out the 33s and got another set, I'd throw one under for the spare. 'Till then I'm living dangerously with an undersized spare 
07-26-2013, 08:05 PM
#14
Canuck with a truck
Just a little FYI for those that don't know but if you have over sized tires but yours spare is stock size. if you have to change to the spare it will damage your LSD in you rear axle because on tire is spinning faster the the other. if you have a open diff its not a big deal to have two different size tires on one axle. If you do get a flat with different sized spare and you have a LSD rear end you can always swap your front larger tire to the rear and put the spare on the steering wheels because all of the stock 4wd has a open front diff.
07-26-2013, 09:05 PM
#15
Senior Member
Just a little FYI for those that don't know but if you have over sized tires but yours spare is stock size. if you have to change to the spare it will damage your LSD in you rear axle because on tire is spinning faster the the other. if you have a open diff its not a big deal to have two different size tires on one axle. If you do get a flat with different sized spare and you have a LSD rear end you can always swap your front larger tire to the rear and put the spare on the steering wheels because all of the stock 4wd has a open front diff.
Im 2wd so like you said, throwing the smaller spare up front isnt gonna hurt anything other than my ego ahaha
08-01-2013, 04:40 PM
#16
It seems like 33s would fit in the spare tire location easily, but what about different WHEELS with a different offset/backspace? I want to put DC Torque 17x8.5 with 285/70-17 under there, but not even the tech at Dick Cepek knows if it will fit.
08-07-2013, 10:54 AM
#17
Just wondering how many of you who tow and have changed tire sizes from stock changed your spare too? Seems like a bad idea to have a smaller spare if you should need it while towing.
Probably wouldn't have thought about it but I'm looking at new tires and was debating about 285/65/18 vs the stock 275/65/18's. The difference in price is minimal and I was leaning toward the larger size until I started thinking about potential issues. Now I'm leaning toward staying stock.
Probably wouldn't have thought about it but I'm looking at new tires and was debating about 285/65/18 vs the stock 275/65/18's. The difference in price is minimal and I was leaning toward the larger size until I started thinking about potential issues. Now I'm leaning toward staying stock.
08-07-2013, 01:06 PM
#18
Senior Member
Thread Starter
this is a great question and it something that people dont think about untill they are on the side of the road or even worse untill the damage there truck.When you run two different sizes on the same axle your differential has to make up for the differance in hight by constantly spinning the clutches and/or spider gears. You will tear up an axle quick like that. I bought my 04 xlt with 20'' 275 60 20, and it still has the stock 17'' spare under it. I just took a 400mile road trip and I was so worried about it I ended up bringing 2 of my stock 17 wheels with me so I could change both on the same axle if I got a flat. Now im looking for a used full size rim to use as a spare.
I just ordered Toyos in the load range 'E' at stock size. Looking forward to seeing how much of a difference there is when towing. I'll find out Friday, tires go on at 1, TT gets hooked up at 4.