Tyres for Disco 5

Back from Adelaide. I spoke to several tyre reps and the Land Rover rep. All said 255/55R19 is illegal. You can go 50 mm bigger on a 4WD, but only 15 mm smaller.

Hi Numb Thumbs
all I can find for NSW is that alternative tyres cannot reduce or increase the diameter by more than 7%. As you noted earlier the 255 55 r19 have a 3% smaller diameter. The Maxxis also have a higher load rating but S vs H speed rating (180kph).
Tony

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Originally Posted by tony_s

Back from Adelaide. I spoke to several tyre reps and the Land Rover rep. All said 255/55R19 is illegal. You can go 50 mm bigger on a 4WD, but only 15 mm smaller.

Hi Numb Thumbs
all I can find for NSW is that alternative tyres cannot reduce or increase the diameter by more than 7%. As you noted earlier the 255 55 r19 have a 3% smaller diameter. The Maxxis also have a higher load rating but S vs H speed rating (180kph).
Tony

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In NSW there is the +50mm susp rule and total 75mm rule which includes +50mm tyre increase over stock including vehicles with ETC without engineering.

You’d be crazy to reduce tyre diameter. [emoji41]

The Nitto are a good tyre. A simple RoT is the more blocky the tread the more noise they tend to make.

Any AT will be a trade off, if you want it as quiet as stock, stick to HTs.

I'd like to avoid punctures, but not compromise on road, wet and dry, handling if I can.

Cheers
Numb Thumbs ;)

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Originally Posted by Bonino

I hear good things about Toyo Open Country AT2. I’ve never tried them though

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Well, I'll put out some bad then. They are crap on wet bitumen

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Originally Posted by Numb Thumbs

Thanks, Scotto.

I am in Adelaide at the moment, helping out at the4WD show. I will have a good look at the Goodyear Duratracs while I am here ad try to talk to a few people. I am thinking Duratracs in 255/55 R20..

The quest continues!

Cheers
Numb Thumbs ;)

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I collect our new D5 "Land Mark" edition tomorrow and the dealer has fitted BGF 275/55/20's to the 20" rims ;-) I have made extensive enquires and while it is not "recommended" the 275's fit inside of the national "legal" guide lines on a 20" rim set up originally with 255/55/20's ;-)

A number of D5 owners have told me there are no rubbing issues and have run them as low as 15psi.

I'll post a pic when we pick her up ;-)

Regards Scotto

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Originally Posted by Tombie

You’d be crazy to reduce tyre diameter. [emoji41]

The Nitto are a good tyre. A simple RoT is the more blocky the tread the more noise they tend to make.

Any AT will be a trade off, if you want it as quiet as stock, stick to HTs.

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Tombie did you end up trying the Monsta Terrain Grippers?

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Originally Posted by Disco-tastic

Tombie did you end up trying the Monsta Terrain Grippers?

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I had them after the Nitto TG and preferred them. A tiny bit noisier but better grip. Not as good as the Falken Wildpeaks though.

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Originally Posted by Disco-tastic

Tombie did you end up trying the Monsta Terrain Grippers?

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I went the Monsta Muds - awesome offroad, good road grip and wet performance - noisy as all hell [emoji41]

I run Wildpeaks for most use on Simmons now and have the others for play

This is interesting for NSW owners. Presumably other states have similar guidelines.
https://www.rms.nsw.gov.au/documents...eels-tyres.pdf
Most alternative tyres for the D5 are likely to have a higher load rating and lower speed rating than the original tyres.
Tony