Tyre size again

Tyre size again

Postby mikehzz on Mon Feb 11, 2019 5:40 am

I'm researching an MQ Triton purchase and interested in bigger tyres. The issue of legallity has been raised in other helpful threads and all posts only mention diameter increase, 50mm in some states, 7% in NSW. However, in NSW, the regs also say you can only increase the tyre width by up to 20mm over the largest size on the placard. Wouldn't this limit the tyre width to 265 in NSW at least? Thanks in advance.
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Re: Tyre size again

Postby RHKTriton on Mon Feb 11, 2019 7:06 am

I wonder why you would want to go wider than 265mm on a Triton?

Consider extra wind resistance (fuel economy), more weight (fuel economy, performance hit, extra wear on suspension components) not to mention tyre clashing with the body work.
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Re: Tyre size again

Postby mikehzz on Mon Feb 11, 2019 3:38 pm

I'm actually looking at 235/85/16 as my preferred options for all those reasons. It's just that other threads were talking about 275 and 285 tyres as legal and I was curious.
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Re: Tyre size again

Postby 4wd26 on Mon Feb 11, 2019 6:55 pm

I run 235/85/16 on the mq 6 speed manual on factory mn alloys
Works good on factory suspension with no rubbing
Has made taking off a chore when off-road or hilly condition which is daily for this vehicle, doing around 1000kms each week and 800 dirt or mine site
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Re: Tyre size again

Postby snakesoup on Tue Feb 12, 2019 7:53 am

Do you have to ride the clutch a bit in those conditions to get her going ? Much like the MN with same diameter tyres?

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Re: Tyre size again

Postby 4wd26 on Tue Feb 12, 2019 11:17 am

snakesoup wrote:Do you have to ride the clutch a bit in those conditions to get her going ? Much like the MN with same diameter tyres?

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Not really ride the clutch, the mq has some sort of hill start control that applies braking to assist so I usually stall rather than ride the clutch. Very hard to tell if it is going to assist or not

It’s like a button clutch in it releases suddenly and not intuitively, so sometimes you account for it and roar off, other times you account for it and it stalls- lots of fun with the taller tyres and hilly terrain. Easier on site to grab low range which with the reduced low range ratio works well.

Nearly 35,000kms and clutch still feels like new, including being abused by my son learning to drive on his “l’s”
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Re: Tyre size again

Postby snakesoup on Tue Feb 12, 2019 12:07 pm



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Re: Tyre size again

Postby Merts on Tue Feb 12, 2019 3:01 pm

FYI. I was running BFG KOs in 265/65r17, and they didn't rub.
Have just gone to KM3s in5/75r16, which are approx. the same diameter, but theoretically 20mm narrower.
They also don't rub.

I'm in Vic so the 265/75r16s aren't legal due to being a tiny bit over the allowable 50mm increase in diameter.
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Re: Tyre size again

Postby 2017Triton on Wed Feb 13, 2019 10:04 pm

I went 265/70/16 on stock steel rims. Kept it legal, with a larger footprint and slight lift.
Better off-road without too much extra weight or other negatives. I’m in Vic.
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