285/75/16 or 265/75/16 on my stock Defender? - Defender Source
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  #1  
Old September 5th, 2006, 11:40 AM
Santiago
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Santiago Gigola
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Location: Mendoza, Argentina
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285/75/16 or 265/75/16 on my stock Defender?

Hi guys,
This is my first time in this forum so first of all Hello to everybody!
I am the proud owner of a Defender 110 (sorry I am not of the D 90 club but my family is too big!)
Tdi 1997. The vehicle has no important modifications regarding suspension, etc.
I am currently fitting BFG AT 235/85/16 on original 5.5 steel wheels.
I use the vehicle in soft sand a lot and thereore I usually deflate my tires to 15psi in order to achieve a bigger surface in order to be able to float over the sand but I am looking for bigger tires that will improve my sand driving ability even further.
I am thinking about intalling BFG AT's, either 285/75/16 or 265/75/16 but I do not want to make any modifications to the vehicle at all. The only one exception would be to use 7 inch wide steel wheels for these bigger tires (I've already purchased original Land Rover Discovery 7 inch steel wheels).
My question is: are 285/75/16's too big? Will they create problems with my gear ratios, steering, engine power, etc?
I imagine that there will be a big improvement in the sand between the 235/86/16's and 265/75/16's and a bigger one between the 235's and the 285's....does anyone have experience in the sand with these different tires sizes in a +/- stock Defender?
Some people in Argentina tell me it is not worth changing from 235 to 265 for sand driving because the 265's have a bigger rolling resistance due to thir wider footprint and therefore I will see very little improvement despite the fact that they are wider.....is this correct?
ANY comments wil be very much appreciated!
Cheers,

Santiago, Argentina
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  #2  
Old September 6th, 2006, 04:14 AM
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ne4x4
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Ian McCormack
1984 Landrover 90
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285 are too big to fit a stock 110, 265 will be ok
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Old September 6th, 2006, 07:23 AM
Santiago
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Santiago Gigola
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Ian,

Thanks for your comment.
When you say too big: is it because they will touch the fenders or something else with important axle articulation or because it will create problems with the engine/gearing/steering, etc.????
According to your comment I guess there are not many Defenders using 285's in the Uk is this correct?
Cheers,

Santiago
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  #4  
Old September 6th, 2006, 08:19 AM
JohnC
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Giampaulo Cinquegrana
95 DI SR Extreme Kit - 94 RRC LWB
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Location: Tappan, NY
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Hola Santiago,

I'm running 285/75/16 BFG ATs that came off a D90 with a 2 or 3 inch lift. I'm guessing w/o a lift they will rub on full articulation. As far as gearing, well, you probably should re-gear your truck. I'm considering 4.11 gears when I get my Simex tires in a few weeks.

Yo te recomiendo que te quedes con las cubiertas que ya tenes y te compres un buen compressor asi le podes sacar el aire a las cubiertas cuando te metas por arena.

Suerte che,

Giampaulo
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Old September 6th, 2006, 10:06 AM
Santiago
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Santiago Gigola
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Location: Mendoza, Argentina
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Gracias por el consejo Che!
Taking into consideration the two opinions I've recieved so far (both suggesting that 285's are too big for a stock Defender) I guess I'll probably change to something intermediate (265/75/16) and deflate as much as I can in order to achieve good flotation....that should do it.....

Thanks
Ciao (are you Italian?)
Santiago
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  #6  
Old September 6th, 2006, 10:35 AM
JohnC
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Giampaulo Cinquegrana
95 DI SR Extreme Kit - 94 RRC LWB
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Location: Tappan, NY
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Santiago,

Casi.... mi viejo era tano.

Salu,

Giampaulo
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  #7  
Old September 6th, 2006, 10:56 AM
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Ian McCormack
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without a 2" lift 285s will definately rub at full aritculation
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