285's on a stock (and heavy) '2001 F350 - Diesel Forum - TheDieselStop.com
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post #1 of 2 (permalink) Old 08-19-2018, 11:16 AM Thread Starter
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285's on a stock (and heavy) '2001 F350

HI All - my '01 F350 is about 12,000-13,000 lbs, depending on the day. It is SRW 4x4 extended cab long bed. All stock. I am running 265/75r16 goodyear wrangler tires with Kevlar. They have been ok, but I need to inflate them to 80 psi in order for the truck to not swim around on the road due to all the weight I carry. I am thinking about going to 285/75r16s - perhaps BFG All terrain KO2s, but am reading that while there should not be any rubbing issues, the tire manufactures recommend a 7.5" wide wheel for that size tire, while the stock wheels at 7".

However, many people run 285s on the stock 2001 wheels and have no issue. My question is, will I have any issues fully inflating 285s on a 7" rim? I am drawn to the 285s because they have a greater load rating than the 265s...but I predict that I will need to inflate them to max.

Please share any thoughts you may have. It sucks that they went with 16" wheels back then....make upgrades very limited w/o a bunch of modifications....

Thanks!

2001 F-350 Super Duty XLT Extended Cab - 7.3L Power Stroke - 4x4 - Auto Trans - SRW - Tow Package - 67,000 miles

Last edited by Mr Blotto; 08-19-2018 at 08:25 PM.
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post #2 of 2 (permalink) Old 10-26-2018, 04:28 AM
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Your GVW is 10K, why do you exceed by 20-30%?
Get a 450 or 550 if your going to load it like that, or a trailer.
Sure there is margin in the rating but you are entirely too far off the reservation.
Your going to hurt someone.

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