Dually tire size question
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4wd Low
Joined: Mar 2016
Posts: 12
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From: Colorado Springs, CO
Dually tire size question
Just picked up a '08 4X4 dually and the tires are worn out (245/75r17). Truck is going to be used to tow a toy hauler around 16k. Would a 285/70r17 be a good tire to replace the 245's? Should I just stick with the 245's?
Logistics Pro
Joined: Jan 2010
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Personally I'd stick with the 245s, because unless you add wheel spacers or different wheels the 285s will rub sidewalls when loaded with that heavy of a camper. Rubbing sidewalls WILL cause blowouts. The danger of wheel spacers is that usually your lug studs need to be lengthened, and IIRC most spacers come with a warning that your payload (and thus tow rating) are reduced.
The reason 285/70R17's come up as a suggested tire size is because they are roughly the same overall height as the 245/75R17's, and are either the stock or an optional size for the single-rear-wheel trucks.
If your concern is tire availability, then yes, the 245's don't come in as many tread patterns, but you can almost always find some to suit your needs.
The reason 285/70R17's come up as a suggested tire size is because they are roughly the same overall height as the 245/75R17's, and are either the stock or an optional size for the single-rear-wheel trucks.
If your concern is tire availability, then yes, the 245's don't come in as many tread patterns, but you can almost always find some to suit your needs.
Mountain Pass
Joined: Nov 2007
Posts: 192
Likes: 1
Personally I'd stick with the 245s, because unless you add wheel spacers or different wheels the 285s will rub sidewalls when loaded with that heavy of a camper. Rubbing sidewalls WILL cause blowouts. The danger of wheel spacers is that usually your lug studs need to be lengthened, and IIRC most spacers come with a warning that your payload (and thus tow rating) are reduced.
The reason 285/70R17's come up as a suggested tire size is because they are roughly the same overall height as the 245/75R17's, and are either the stock or an optional size for the single-rear-wheel trucks.
If your concern is tire availability, then yes, the 245's don't come in as many tread patterns, but you can almost always find some to suit your needs.
The reason 285/70R17's come up as a suggested tire size is because they are roughly the same overall height as the 245/75R17's, and are either the stock or an optional size for the single-rear-wheel trucks.
If your concern is tire availability, then yes, the 245's don't come in as many tread patterns, but you can almost always find some to suit your needs.
Laughing Gas
Joined: Oct 2003
Posts: 767
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From: Lynden, WA
FTE Chapter Leader
Joined: Jan 2006
Posts: 21,341
Likes: 8,061
From: North Central Washington
I run 265/75x16 tires on my DRW truck. I use 1.5" spacers and actually had to shorten my wheel studs to install the spacers. If you need to install longer studs you are using the wrong spacer. My inner wheel is held in place by the lug nuts on the wheel hub holding the spacer in place. The outer wheel is held in place by the lug nuts on the spacer lug studs. All torqued to 120# and checked every 5k miles . I tow a 5th wheel trailer of 11k and 2800# pin weight with no issues .
Absolutely correct.
Absolutely correct.
Mountain Pass
Joined: Nov 2007
Posts: 192
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265's
265's
315's
265's
FTE Chapter Leader
Joined: Jan 2006
Posts: 21,341
Likes: 8,061
From: North Central Washington
Man, Your truck looks really good with the 315s and the lift. Thanks for sharing!
I don't want to do a lift; I just want a little taller tire. I'm not sure the 265s are the right option but they are a little taller than the 245s.
I don't want to do a lift; I just want a little taller tire. I'm not sure the 265s are the right option but they are a little taller than the 245s.
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Mountain Pass
Joined: Nov 2007
Posts: 192
Likes: 1
Well thank you. I'm happy with how it turned out. The 265's are suggested as the largest tire for stock height trucks. The lift was on the truck when I bought it. Not something I would have done otherwise.
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