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is your rolling diameter the same?...if not your not doing your transfer case and front diff any favours.

Yeah man!

Front is 235 / 45 / 17R

Rear is 245 / 45 / 17R

LOL! I made sure and my mechanic fitted them on and he knows what he's doing.

:(

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Yeah man!

Front is 235 / 45 / 17R

Rear is 245 / 45 / 17R

LOL! I made sure and my mechanic fitted them on and he knows what he's doing.

:(

just so you know, your rolling diameters are slightly different.

side wall measurment is calculated by (in the above example) finding 45% of 235 which is 105.75, and dividing by two (52.875). This is your side wall in mm, or pretty close anyway.

your other tyre is 55.125, its fark all and i dont know if it makes a difference but yeah...

Edited by nee-sanRB20
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just so you know, your rolling diameters are slightly different.

side wall measurment is calculated by (in the above example) finding 45% of 235 which is 105.75, and dividing by two (52.875). This is your side wall in mm, or pretty close anyway.

your other tyre is 55.125, its fark all and i dont know if it makes a difference but yeah...

I see.

Iam not to sure myself as my mechanic sorted out the correct tyres for me.

So what you just explained about the side wall measurements, is that also how to work out the rolling diametres..?

52.875 and 55.125

As you have worked out?

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I see.

Iam not to sure myself as my mechanic sorted out the correct tyres for me.

So what you just explained about the side wall measurements, is that also how to work out the rolling diametres..?

52.875 and 55.125

As you have worked out?

i guess it would be the above measurements x2 for the top and bottom side walls of the tyre + your rim diametre in mm. :rofl:

.....i think!

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i guess it would be the above measurements x2 for the top and bottom side walls of the tyre + your rim diametre in mm. :rofl:

.....i think!

Alright cool!

Well I need new rear tyres soon, so I ask my mechanic to explain to me the rolling diametre and the rest.

Thanks everyone!

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you should be using width same with tyres....245 all round 4 example... hmmmm regret selling my te's now :P

The front are abit smaller so I don't get any side wall rubbing against the tyres.

What wheels you got now?

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