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I don't like the look of the Coopers compared to the BFG . But thanks for all the help .I hope it looks good The price between isn't to bad My dad is a tire Dealer So i can get them for Dealer Cost.
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This is great! You dad is a tire dealer. Take it down to his shop or any shop for that matter. Have them mount whatever sizes you are looking for on a wheel that is the same size as what you are using. Just test fit various sizes until you find one that you like and will work. 285's should fit with maybe some minor trimming like you mentioned. No shop should charge you for doing this testing. They want to make a sale and if testing different sizes and more work will make a sale, they will do it.
As for you other question of whether or not BFG AT's are good, yes they are. I have been running them for a wire now. Keep them rotated and they will last at least 50k miles if not a lot longer. They are good in dirt and moderate mud (what you might be in) and have good road manners along with being quiet. They are also pretty tough, as in puncture resistant (IMO). The only complaint I have about them is that the tread pattern like to grab small rocks and lock them in the tread. You will notice a lot of clicking as you drive down the road becasue of the small rocks in the tread. Not really a big deal, but can be annoying. I just made a habit of walking around my truck looking at the tread to check for rocks, if there are any I just take them out with my key.