how wide is my rim?
Moderate User
Joined: Oct 2008
Posts: 17,003
Likes: 21
From: Albany, NY
^^ I'm with GotHemi on this one. Your def pushing the limits and I think you'll find yourself wearing out the middle regardless if you go less on the air pressure. Then if you go too low, you'll be wearing out the outer edge of the sidewall. Just not a position I'd put myself in to go a smidgen wider. There is no happy medium for a tire that is too wide for a rim. It just cannot hapen. It will either be convex or conave. Either one will wear prematurely not to mention the loss of traction from improper footprint.
Can you go that wide without rubbing on the upper control arm with just an 8" wide rim???
The rule of thumb for the difference of 4 is just that, a guide. You really need to check out the manufacturers specs for what they reccomend. Some are a little diferent than others depending on the material make-up and design of the tire.
Just for a reference so you get an idea...The reccomended rim size for a 285/70 size tire is actually an 8.5" wide wheel, so your actually running yourt current set-up on a little skinner wheel than what is reccomended. Now, you want to go 3 sizes wider.
The widest tire I would go is 295. So, unless your current tires are worn and need replacement, I'd say spend your money elsewhere.
Can you go that wide without rubbing on the upper control arm with just an 8" wide rim???
The rule of thumb for the difference of 4 is just that, a guide. You really need to check out the manufacturers specs for what they reccomend. Some are a little diferent than others depending on the material make-up and design of the tire.
Just for a reference so you get an idea...The reccomended rim size for a 285/70 size tire is actually an 8.5" wide wheel, so your actually running yourt current set-up on a little skinner wheel than what is reccomended. Now, you want to go 3 sizes wider.
The widest tire I would go is 295. So, unless your current tires are worn and need replacement, I'd say spend your money elsewhere.
Record Breaker
Joined: Mar 2008
Posts: 1,488
Likes: 0
From: Oregon
And also if you run your pressure that low, you will have awful gas mileage with that low of pressure, we are talking 2 mpg less at least probably, the resistance just from a well aired wider tire is enough to take away a little bit, to have a wider tire aired down it will destroy your gas mileage if you could even pull it off.
Thread Starter
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Record Breaker
Joined: Jan 2010
Posts: 1,060
Likes: 0
From: West Virginia
^^ I'm with GotHemi on this one. Your def pushing the limits and I think you'll find yourself wearing out the middle regardless if you go less on the air pressure. Then if you go too low, you'll be wearing out the outer edge of the sidewall. Just not a position I'd put myself in to go a smidgen wider. There is no happy medium for a tire that is too wide for a rim. It just cannot hapen. It will either be convex or conave. Either one will wear prematurely not to mention the loss of traction from improper footprint.
Can you go that wide without rubbing on the upper control arm with just an 8" wide rim???
The rule of thumb for the difference of 4 is just that, a guide. You really need to check out the manufacturers specs for what they reccomend. Some are a little diferent than others depending on the material make-up and design of the tire.
Just for a reference so you get an idea...The reccomended rim size for a 285/70 size tire is actually an 8.5" wide wheel, so your actually running yourt current set-up on a little skinner wheel than what is reccomended. Now, you want to go 3 sizes wider.
The widest tire I would go is 295. So, unless your current tires are worn and need replacement, I'd say spend your money elsewhere.
Can you go that wide without rubbing on the upper control arm with just an 8" wide rim???
The rule of thumb for the difference of 4 is just that, a guide. You really need to check out the manufacturers specs for what they reccomend. Some are a little diferent than others depending on the material make-up and design of the tire.
Just for a reference so you get an idea...The reccomended rim size for a 285/70 size tire is actually an 8.5" wide wheel, so your actually running yourt current set-up on a little skinner wheel than what is reccomended. Now, you want to go 3 sizes wider.
The widest tire I would go is 295. So, unless your current tires are worn and need replacement, I'd say spend your money elsewhere.