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  #301  
Old 01-04-2016, 03:11 AM
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Re: 20" Tyre Thread

Brett I run exactly what snake doctor recommends and I got a spare tyre off my dealer, it is second hand but still plenty of tread for a spare.


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  #302  
Old 01-04-2016, 08:02 PM
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Re: 20" Tyre Thread

Just in case it helps, I'm running 275/55's and they rub, both front and back on suspension travel, and front when on full lock.

This is for 2015GC limited, so I'd recomend smaller - oh and also make sure you get a wheel alignment before putting on more agreesive tread tyres (mine feathered)
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  #303  
Old 01-04-2016, 08:56 PM
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20" Tyre Thread

What tyres t u running Pharmaboy.


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  #304  
Old 01-05-2016, 09:07 PM
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Re: 20" Tyre Thread

My original Kumho had 65% tread left after 32,000 KMs. A nail in the sidewall of right rear tyre and a slight wear on left side of left front tyre (bad alignment) forced me to replace all four of them. Installed Nitto Terra Grappler 265/50r20 yesterday. $1,036 for four tyres balanced and installed plus $30 for front and rear alignment. They inflated the tyres to 3.1 (Bar) about 45 psi. What should be the optimal pressure for normal on road drive?
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  #305  
Old 01-05-2016, 09:14 PM
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Re: 20" Tyre Thread

Quote:
Originally Posted by Brett View Post
I'm almost ready to go with the terra grappler g2 in 265/50/20. Love the look and all the positive comments. A couple of lingering issues though:

- almost all off road driving I do is on the sand (Fraser, Moreton, etc), so wondering if the tread pattern of the g2 is overkill. Would a HT actually perform better? I've always worried that the khumos are too fragile, and too easy to puncture on certain tracks, particularly around Kingfisher bay or Wathumba.

- I'm very, very, tempted to upsize to the 285/50/20, but do not want to swap the stock spare. If I did get a flat on the island could I still use the stock spare given the diameter difference? My thinking is that even if it is on the rear the ELSD should be able to handle the difference as its not actually locked in most instances, but my confidence in this assumption is low...

Any comments appreciated.
This is probably not what you want to hear but honestly, if "almost all" of your off-roading is on beach sand, you are better off sticking with your OEM passenger tyres. Successful sand driving is all about floatation. There are specialised floatation tyres for golf buggies, farm equipment etc. but an aired down passenger tyre is the next best thing. The last thing you want is a tyre with an A/T or worse still an M/T tread that will just want to dig holes. Having said that, I and many others successfully run LT tyres with an A/T tread on sand but it's a compromise because we also need a tyre tough enough for rocky tracks. I recall how much better the Jeep went on sand with the stock Kumhos and with less airing down than my current tyres. With passenger tyres you will have optimal performance on both bitumen and sand... all you loose is the macho factor.
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  #306  
Old 01-05-2016, 11:06 PM
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Re: 20" Tyre Thread

Thanks Snakedoctor, hutch801, Pharmaboy and BobT for your input.
BobT I tend to agree with your recommendation.

I've found the stock khumos really great on sand. One factor swaying me towards A/T is the durability. Even though I do mostly sand driving, I do encounter some tracks on Fraser where they are heavily rutted with lots of exposed tree roots. The delicateness of the khumos concerns me. Similarly there are areas of exposed coffee rock on the beaches which can be quite sharp. How much have you found your A/T's to dig down into the sand compared to stock?

Oh, and yeah you guessed it BobT, the macho factor of the A/T's is also a big influence👍
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  #307  
Old 01-07-2016, 03:09 AM
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Re: 20" Tyre Thread

Quote:
Originally Posted by Brett View Post
Thanks Snakedoctor, hutch801, Pharmaboy and BobT for your input.
BobT I tend to agree with your recommendation.

I've found the stock khumos really great on sand. One factor swaying me towards A/T is the durability. Even though I do mostly sand driving, I do encounter some tracks on Fraser where they are heavily rutted with lots of exposed tree roots. The delicateness of the khumos concerns me. Similarly there are areas of exposed coffee rock on the beaches which can be quite sharp. How much have you found your A/T's to dig down into the sand compared to stock?

Oh, and yeah you guessed it BobT, the macho factor of the A/T's is also a big influence👍
Ah, broken tree roots on Fraser will poke through a stock Kumho like through wet toilet paper. Passenger A/T's won't help much with that either. You will need to go to an LT A/T. As I recall, much of Fraser driving is on the hard wet sand which should be no problem with A/T's. Personally, I like to stay on the dry to keep out of the salt in which case an extra 2psi of airing down may be required, say 16psi with A/T's whereas 18psi might do with passenger tyres. The problem is always crossing the fluffy wet stuff between the dry and the hard wet sand. This is where the A/T's can quickly dig in if you give it too much stick in an effort get out of there quickly.
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  #308  
Old 01-07-2016, 07:02 AM
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Re: 20" Tyre Thread

Dont forget the kl21s are very lightly rated best going for the kl33 if you decide on kumhos. I have set i would nearly give away taking up room in my garage they have done 10k. Still like new. Only reason i took them off is i went to a 10" rim
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  #309  
Old 01-07-2016, 07:17 AM
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Re: 20" Tyre Thread

Quote:
Originally Posted by Hutch801 View Post
What tyres t u running Pharmaboy.


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Reading through some of the US threads looks like the nittos are slightly smaller than some of the other brands in a 275/55/20. Might explain the rubbing some are experiencing?

How have you found the nittos on the soft/dry sand Hutch?
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  #310  
Old 01-08-2016, 02:08 AM
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Re: 20" Tyre Thread

The Nitto's go well on the sand, just not enough profile with the 20 inch wheel but I have never had any issues. In saying that i want to offroad more with confidence so I have some 285/60/18's going on tomorrow.
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  #311  
Old 01-08-2016, 02:35 AM
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20" Tyre Thread

Quote:
Originally Posted by Hutch801 View Post
The Nitto's go well on the sand, just not enough profile with the 20 inch wheel but I have never had any issues. In saying that i want to offroad more with confidence so I have some 285/60/18's going on tomorrow.

I've never had any issues with the stock 265/50/20 khumos and the low profile on the sand and I've worked them hard on every inch of Fraser and Moreton including all the difficult sections like ngkala rocks bypass. It's more a lack of confidence in how soft the khumos are. Plus the nittos look great. [Edit: but I get why you want 18s for more hardcore 4wd'ing!]

I'm likely to pull the trigger on the nitto 285/50/20 on Monday (heading for Fraser next weekend). The 275/55/20 are no longer available from what I can tell, so that makes the choice a little easier. Probably just going to keep the stock spare for now and if I get a flat it should get me back to civilisation with less than 3% difference in OD... I hope...
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  #312  
Old 01-08-2016, 05:06 AM
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Re: 20" Tyre Thread

You will be happy with the Nitto's I had 275/55/20 on mine the Neighbour has 265/50/20 Nitto's on his Grand.


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