bigger rubber
Lead Driver
Joined: Jun 2003
Posts: 8,298
Likes: 24
From: Damon (South East Texas)
I've been running 285s for the last few tire changes. I didn't notice any power or mileage loss to speak of. I like the look also. I recently bought 16x8.5 rims to get more even wear out of them over the stock rims. I can now run max tire pressure without wearing out the middle of the tread.
Posting Guru
Joined: May 2006
Posts: 2,274
Likes: 1
From: Milroy, PA
Mine actually improved. However, the main reason was because I went from worn out BFG A/Ts to bridgestone dueler A/T revos. The revos are better in all conditions except mud IMO. And they get in the .5 - 1 mpg better, atleast thats what I had noticed. Also my speedo is more correct with the 285s. ( checked with gps). I ran two sets of revos, then one more set of bfgs, and i wont run another set of bfg a/ts on the ford again. The only situation i noticed they were better was in mud, and thats it. This try, i just ordered some 285/70 - 17s to go on my new bling wheels, and i got them in the new goodyear silent armours. Seems people think highly of them, and ive seen peoples reviews with ex's and SD trucks in the 40-60k mile range. The revos and bfgs last 25-35k with my driving.
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Laughing Gas
Joined: Mar 2008
Posts: 967
Likes: 7
From: coquitlam,BC
I will be going to the 285s in the fall and i am leaning toward toyo ATs. Are the 285s any taller than the 265s?
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Posting Guru
Joined: May 2006
Posts: 2,274
Likes: 1
From: Milroy, PA
The conversion from metric sizing, to the real number system (standard haha) is dependant on each tire manufacturer. In the dueler A/T revos 265/75 - 16s are 31.8 diameter, 8.1 inches wide tread. 285/75 16s are 33 inches in diameter, and 8.7 inches wide tread. So infact 1.2 inches "taller". The resulting change in mileage is 285s take 631 revs per mile and 265s take 655 revs per mile. Actual sizing should be checked from toyos website if you want to know for sure how much difference there is. Also, the rating ive given, is based on NEW tires, not worn ones, Warn 265 (down to 2/16 of tread would result in just about a 31" tall tire.
Post Fiend
Joined: Feb 2008
Posts: 10,977
Likes: 5
From: Lancaster, Pa.
I think bye an inch or two, doesn't sound like much but it does look better. Mine has no leaf pack and it just clears my mud guards in the front by an inch. Slow typer, Speedy got yaa.....
Not a liberal...
Joined: Jul 2006
Posts: 6,635
Likes: 4
From: Cut & Shoot, Texas
A 265 75 R16 is 31.64" tall.
A 285 y5 R16 is 32.83" tall.
Here's a good tire size calculator that I used when I was shopping for tires.
Tire Size Calculator - tire & wheel plus sizing
Also, here is a page that easily explains tire sizes and what everything means:
Tire Sizes Explained - Wikiautos
And lastly, there are pictures of my truck with 285s in the link below my sig. The 285 pics are the older ones, farther back. The pics at the top are of the truck with 315s.
A 285 y5 R16 is 32.83" tall.
Here's a good tire size calculator that I used when I was shopping for tires.
Tire Size Calculator - tire & wheel plus sizing
Also, here is a page that easily explains tire sizes and what everything means:
Tire Sizes Explained - Wikiautos
And lastly, there are pictures of my truck with 285s in the link below my sig. The 285 pics are the older ones, farther back. The pics at the top are of the truck with 315s.
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