Using different size wheels

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d9022

d9022

Well-Known Member
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land of the oppressed
I've an old Defender that I only use on my land, I blew out a tyre the other day (side wall cut open on a rock)
The tyres on it are crossply, I have a pair of radials that I can use. I was wondering if I put the smaller radials on the front and dont use 4WD then it should be ok shouldn't it ?
 
d9022 said:
I've an old Defender that I only use on my land, I blew out a tyre the other day (side wall cut open on a rock)
The tyres on it are crossply, I have a pair of radials that I can use. I was wondering if I put the smaller radials on the front and dont use 4WD then it should be ok shouldn't it ?
Click to expand...
It’s permanent 4 wheel drive!! Not a good idea having odd sized wheels fitted
 
d9022 said:
I've an old Defender that I only use on my land, I blew out a tyre the other day (side wall cut open on a rock)
The tyres on it are crossply, I have a pair of radials that I can use. I was wondering if I put the smaller radials on the front and dont use 4WD then it should be ok shouldn't it ?
Click to expand...

Given the LT85, and use on private land ..... then what could possibly go wrong :eek: ... I'd still be very careful, because radials/cross plies of the same size have a different rolling radius .... so it could get "interesting" quite quickly.....

Think I'd be getting a partworn off the bay ASAP......:)
 
d9022, you are wrong, your 90 is permanent 4 wheel drive.
However there is an extra diff in the transfer box that allows for different speeds between front and rear axles on hard surfaces. It has lock to give even front rear drive off road to improve traction.
There is no problem driving around steady off road with different sized tyre's, even if all four were different size's just as long as the centre diff is open.
The diffs will allow for different rotational speed's.
Even on road [ once had to use 600x16 trailer spare to get home on my 90 ] Not exactly legal but done slowly no problem and none for the axle or box either.
Put it like this, the diff's think they are going around corners even when you are going straight but as they can not see out they just carry on doing their job.

There is no doubt that the Transmission is the most misunderstood part of 90/110 Defender ownership.
 
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