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Generation 4-4 Pajero NX model 2014 -

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Old 1 Week Ago
GeoCal GeoCal is offline
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Default Tyre size in relation to 2" lift

Hey all,
I have searched high and low, across here and Facebook groups and are now even more confused than when I started.
What I do know is, I don't know as much about tyre sizes as I thought I knew.

Question:
If I have a 2" lift, can I install a 275/65/18 tyre legally in Victoria?
Or must I now stay with the 265/60/18?

From all the searching on forums, it appears the opinion is that you have to stay under 50mm both suspension and tyre lift in Victoria.
However, from the Vicroads website:
https://www.vicroads.vic.gov.au/-/me...319217ECDEDEB1
It reads as 50mm suspension + 25mm tyre.
See attachment.
Thoughts?
Attached Images
File Type: jpg Annotation 2019-09-12 210223.jpg (12.3 KB, 14 views)

Last edited by GeoCal; 1 Week Ago at 09:10 PM. Reason: spelling
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Old 1 Week Ago
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old Jack old Jack is online now
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Hi GeoCal,

Since your NX has ESC fitted you cannot use the 50mm + 25mm limit, see clause 13.7 of the link you attached.
It refers you back to VSB14 NCOP 11 Section 2.6.
https://www.infrastructure.gov.au/ve...ov_2015_v4.pdf

Here is a thread about VSB 14;
https://www2.pajeroclub.com.au/forum...ad.php?t=50390

Short answer is on a Gen 4 Pajero you can raise the front suspension by 35mm to 40mm and the rear suspension by 40mm to 45mm but that assumes the replacement struts and shockers are not shorter than the factory units.
Tyre wise standard 265/60R18 is 776mm in diameter, the next size tyre up is a 265/65R18 which is 803mm in diameter so that is a 26.5mm increase in tyre diameter, which results in a 13mm increase in ride height. This leaves you with 36.5mm for a suspension lift to remain legal. I have not heard of a Pajero owner being refused a roadworthy based on the above suspension lift and one tyre size increase.
The 265/65R18 is a common tyre up size that has little side effect. Going larger means, loss of fuel economy because the engine has to work harder and the torque convertor will be unlocked more often, this also means higher ATF temps which is not a good thing.

Going larger again means the removal of the front mudflaps which is against the ADR's and is greater than allowed under VSB 14, so the vehicle becomes illegally modified.

OJ.
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Ozzz Ozzz is offline
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Quote:
Originally Posted by old Jack View Post
Hi GeoCal,



Short answer is on a Gen 4 Pajero you can raise the front suspension by 35mm to 40mm and the rear suspension by 40mm to 45mm but that assumes the replacement struts and shockers are not shorter than the factory units.
Tyre wise standard 265/60R18 is 776mm in diameter, the next size tyre up is a 265/65R18 which is 803mm in diameter so that is a 26.5mm increase in tyre diameter, which results in a 13mm increase in ride height. This leaves you with 36.5mm for a suspension lift to remain legal. I have not heard of a Pajero owner being refused a roadworthy based on the above suspension lift and one tyre size increase.
The 265/65R18 is a common tyre up size that has little side effect. Going larger means, loss of fuel economy because the engine has to work harder and the torque convertor will be unlocked more often, this also means higher ATF temps which is not a good thing.

Going larger again means the removal of the front mudflaps which is against the ADR's and is greater than allowed under VSB 14, so the vehicle becomes illegally modified.

OJ.
Hi OJ , I mainly use my paj for fishing and camping. if I decide to lift 2 inch and make decisions between 50mm suspension and suspension&one upper size tyre together, which one is better for me? I am leaning towards the suspension&tyre combo due to less pressure on CV but I could be wrong. Thanks in advance.
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Quote:
Originally Posted by Ozzz View Post
Hi OJ , I mainly use my paj for fishing and camping. if I decide to lift 2 inch and make decisions between 50mm suspension and suspension&one upper size tyre together, which one is better for me? I am leaning towards the suspension&tyre combo due to less pressure on CV but I could be wrong. Thanks in advance.
I think you're on the right track.

Most "2 inch" suspension lifts seem to end up around 30 - 40mm above "factory" ride heights. I doubt you'll have trouble if you do both. If you do the suspension lift first, wait for it to "settle" and measure the result I think you'll find you still have room for a legal tyre size increase.
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Ozzz Ozzz is offline
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Quote:
Originally Posted by nj swb View Post
I think you're on the right track.

Most "2 inch" suspension lifts seem to end up around 30 - 40mm above "factory" ride heights. I doubt you'll have trouble if you do both. If you do the suspension lift first, wait for it to "settle" and measure the result I think you'll find you still have room for a legal tyre size increase.

Thanks for your advice. I will get suspension first and wait for the stock tyres worn out
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GeoCal GeoCal is offline
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Thanks OJ and NJ,
I have read over so many of your posts, Your advice is appriciated.
I think I am in the same basket as OZZZ, Will do the suspension first, and then see how much wiggle room there is left after that.
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