Tire Size
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New User
Joined: Jun 2009
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Tire Size
I got a stock 01 F250 crew cab with 265/75 r 16 tires. time to get new tires, what are upgrade size options that i could go with for this truck sticking with my 16 inch rims? 285? 305?
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Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
285s are the next size up and IMO are the perfect size for a 99'-04' SD with stock wheels and suspension. 305s are wider but the weight rating on 305s tend to be low compared to 285s. 285/75R16s can be gotten in D or E load ratings and are pretty popular.
Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
You get to play around with the numbers.
The first number is the width, so say 285. Divide that by 25.4 to get to imperial numbers, so the tire is 11.22" wide (theoretically.)
The second number is the aspect ratio, it's the percentage of the width that the side wall is. So call it a 55 which would give you 6.16".
Double that number (12.34) and add it to your wheel diameter (20) and you get 32.34".
If you made it 285/65r20 then you'd have something to effect of 34.56".
The first number is the width, so say 285. Divide that by 25.4 to get to imperial numbers, so the tire is 11.22" wide (theoretically.)
The second number is the aspect ratio, it's the percentage of the width that the side wall is. So call it a 55 which would give you 6.16".
Double that number (12.34) and add it to your wheel diameter (20) and you get 32.34".
If you made it 285/65r20 then you'd have something to effect of 34.56".
