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  #1  
Old May 27th, 2016, 10:49 AM
portis
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Tyler Hicks
2001 Defender 90 TD5
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Best tire size for my Defender 90

I just got my 2001 Defender 90 TD5 back today with engine rebuild in Kenya. I got an honest deal in the end for the work. Thank you for everyone who helped troubleshoot my problem a few months ago.

I'm in serious need of new tires and wanted to ask what size you would recommend. The truck currently has Pirelli on/off road tires 265/70R16. I'm going to spring for BG Goodrich KO2s and thought I should go up a size.

I was thinking my best option would be 265/75R16.
Could also go with 275/70R16.

What would be the best tire size for offload driving? Would either of these rub or have any space issues in the wheel wells of my truck? Would going up a size as I'm thinking offer the best performance? I don't care what the truck looks like, just want the best performing tire size for offroad driving.

Thank you!
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  #2  
Old May 27th, 2016, 11:04 AM
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Russell
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For a 33" (oversized), go with the pizza cutters, 255/85R16. Available in the BF Goodrich KM2.
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  #3  
Old May 27th, 2016, 11:07 AM
portis
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Tyler Hicks
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So I should go more narrow but taller? How does that effect performance offload?
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  #4  
Old May 27th, 2016, 11:15 AM
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What is offload? Get whatever the Camel Trophy trucks used.
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  #5  
Old May 27th, 2016, 11:21 AM
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Don Bunnell
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What type of terrain do you have there?

What brands can the local dealers get / what brands can you get shipped to you easily?
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  #6  
Old May 27th, 2016, 11:24 AM
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Do you air down when you go off road? If not I feel like the 235x85 is a great tire for the 110. Going taller makes hopping in more of an effort for everyone and I doubt a taller tire is going to give you much off road benefit unless you are planning to air down a lot. I like the road manners of a 235. Taller tires tend to sway a little more.
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  #7  
Old May 27th, 2016, 01:06 PM
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Why do you want wider tires vs more narrow tires ?
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  #8  
Old May 27th, 2016, 01:15 PM
portis
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Tyler Hicks
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I can get BFG KO2s here in Kenya so I'll be going with those. I encounter more mud here than dry rock crawling terrain. Especially during rainy season (which is now) you can get bogged down big time. Standing water with deep mud is what I'm mostly encountering. Otherwise when dry packed dirt with loose rocks but not extreme technical. Looking at either 265/75 or 235/85 most people don't seem to think there's a huge performance difference?
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  #9  
Old May 27th, 2016, 01:18 PM
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john
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good read....

Tire Testing - Size Matters - 4 Wheel & Off Road Magazine
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  #10  
Old May 27th, 2016, 01:19 PM
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Don Bunnell
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Quote:
Originally Posted by portis View Post
I can get BFG KO2s here in Kenya so I'll be going with those. I encounter more mud here than dry rock crawling terrain. Especially during rainy season (which is now) you can get bogged down big time. Standing water with deep mud is what I'm mostly encountering. Otherwise when dry packed dirt with loose rocks but not extreme technical. Looking at either 265/75 or 235/85 most people don't seem to think there's a huge performance difference?
Can you get 235/85 KM2's? That seems like it would be a better setup for mud (unless the KO2 are a lot better than the previous generation).

If it is really deep mud I'd go with 255's.
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  #11  
Old May 27th, 2016, 01:23 PM
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Just be sure to get "E" rated (10 ply) tires.
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  #12  
Old May 27th, 2016, 01:24 PM
portis
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Tyler Hicks
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Thanks for the article I'm reading now. I'll check in the morning in they have KM2s that's a really good suggestion. Tires are expensive here so want to make the right choice.
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  #13  
Old May 27th, 2016, 01:36 PM
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Quote:
Originally Posted by portis View Post
Thanks for the article I'm reading now. I'll check in the morning in they have KM2s that's a really good suggestion. Tires are expensive here so want to make the right choice.
Here in the US a set of KM's would be about US$1100.00 installed.
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  #14  
Old May 27th, 2016, 01:50 PM
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Parrie Willette
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IMO the 235/85s would be the best all around choice. I run Goodyear 235/85 Duratracs on my DII and love 'em...great road manners on pavement & do very good off-road/mud. Shouldn't be any rubbing issues w/ the 235s which are pretty much a 32" tire...very close to the original 7.50x16s. You may need to lift the suspension a bit to go w/ a taller tire.
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  #15  
Old May 27th, 2016, 02:53 PM
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Jack Walter
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I run 235/85R16's on my D-90 - I had some 255/85R16's on it for a while but the 4-cylinder diesel wasn't as happy as it is with some 235's.

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  #16  
Old May 27th, 2016, 05:22 PM
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timely topic. I'm due for new tires, I think.
All 4 tires show a ring of hairline cracks at about middle of the sidewall (center/wheel & edge of tire - meet the road) - looks rot? I'm a little concern, as the tires are 6yo now.

Anyways, was thinking of replacing with 265/75/16 (factory size), but looks like 235/85/16 is a good alternative.
The same tires (Cooper Discoverer AT3) is less expensive on 235 v. 265.
Truck will be 80%hwy, and 20% off-road/packed dirt/undulation. no rock crawler.
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  #17  
Old May 27th, 2016, 06:25 PM
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Raub A.
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There are two schools of thought on tire width when it comes to mud. With a narrow tire the idea is to sink down to the hard pack and gain traction there (assuming you have self cleaning lugs). With wide tires (flotation tires) the point is to have as large of a contact area so you float across trying not to sink in, Of course this all depends on the mud type. Florida mud is much different than say western NC mud or Vermont mud.

In the Everglades National Park you are forbidden to go off road with skinny tires (yes the rangers measure your tires and no, you aren't getting in with your 7.5 XZLs). The main reason being that the skinny tires do far more damage to the top soil than a wider flotation tire. They want you floating on top not sinking down creating deep permanent ruts with skinny tires. In the bottomless mud down here "flotation id your friend!"

So at the end of the day it all depends on the type of mud local to you.
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  #18  
Old May 27th, 2016, 08:36 PM
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William
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7.5 x 16 Michelin XZLs best all around I have had. Good in in muck, rocks, sand and great in snow.
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  #19  
Old May 27th, 2016, 08:46 PM
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I've run 235s on all my Rovers for many years. Not only do I feel that they handle better on the road, but they are lighter, easier on power steering system, and except for in some off-road situations, just as good, or better than wider tires.

I also think they look right on a Rover.

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  #20  
Old May 28th, 2016, 12:31 AM
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Robert Lynch
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My vote is 255/85-16 KM2
Tall- skinny awesome
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