MQ 265/65R17 or 265/70 17 Pros & Cons

MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Mon Jul 29, 2019 8:20 pm

Trying to decide which size to fit to my stock MQ GLX with nudge bar & alloy tray. Want to stay with readily available size that won't scrub and will allow under tray storage of spare. Like the look of the CSA HAWK 17x9 rim with P20 offset. Any input appreciated.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby tomdej on Tue Jul 30, 2019 9:51 am

Standard size is 245/65 17 which has an overall diameter of 750mm.
265/65 17 has a diameter of 776mm.
270/65 17 has a diameter of 803mm.

Both will fit but it is possible you could get a defect notice for the 270/65 17 as the maximum increase in diameter allowed is 50mm.

My experience with 265/65 17 on an MN has resulted in the speedo being accurate.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby WUNSIE on Tue Jul 30, 2019 5:15 pm

tomdej wrote:Standard size is 245/65 17 which has an overall diameter of 750mm.
265/65 17 has a diameter of 776mm.
My experience with 265/65 17 on an MN has resulted in the speedo being accurate.


Agree there mate!
Swapped out the OEM 245/65 17 on my MQ GLS and put on 265/65 17 on the original 7.5 x 17 alloys,
Bought the speedo to within a bees dick of being spot on
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Tue Jul 30, 2019 9:11 pm

Thanks tomjec for your reply.

My MQ Glx came with Bridgestone Dueler A/Ts in size 245/70 16, also with diameter 750mm.

I originally considered some 285/60 18s (diameter 799mm) as most of my driving is on bitumen and the majority of off road work is on the beach. However after talking to tyre dealers these are an expensive configuration and they reckon the 60 aspect ratio will be uncomfortable on road. Not sure why. Forum members also point out that the 285 width will compromise fuel economy and the 60 aspect ratio more likely to lead to rim damage off road. Most seem happy with an aspect ratio of 65 though.

Anyway, I'm now thinking these 17x9 rims with a positive 20 offset will fit the bill. Standard offset is 38 so P20 will add 18mm each side, so an increase in track of 36mm, which is inside the legal 50mm.
http://csadirect.com.au/wheel-range.asp

Tyres are the bigger problem!
I need an All Terrain tyre though like the look of the new hybrids.
Most people recommend a width of 265 for the Triton, a 20mm increase from stock.
From what I've read a 265/65 17 will fit without a lift and are readily available.

Others seem to run 265/70 17s without issues.
I'm getting conflicting advise from tyre retailers as to whether these will fit without rubbing during suspension articulation. Would love to hear from anyone out there running this size. Do you have a bulbar, have you had to shave the guards? Will it fit the spare recess? Has your truck been lifted?
And yes, these are slightly over the permissible 50mm diameter increase.

At the moment I'm favouring the Toyo Open Country AT IIs though the more expensive Cooper AT3s are a consideration.
The Toyo 265/65 17 has a 782mm diameter.
Their 265/70 17 has a 804mm diameter.

Interestingly the Toyo AT II in 275/65 17 comes in between at a legal 796mm but isn't favoured. Is this an unpopular or difficult to replace size?
http://toyotires.com.au/images/tyres/fa ... tryAT2.pdf

Also how much will my speedo be affected by changing to either of the 265 wide tyres?
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby tomdej on Wed Jul 31, 2019 7:30 am

I believe the maximum legal increase in track is 25mm, not 50mm.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby srb on Wed Jul 31, 2019 5:21 pm

tomdej wrote:I believe the maximum legal increase in track is 25mm, not 50mm.
No, its a maximum of 50mm... 25mm each side.

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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Wed Jul 31, 2019 5:28 pm

tomdej wrote:I believe the maximum legal increase in track is 25mm, not 50mm.

Got this off the QLD TMR web site.

The wheel track of off-road four wheel drive vehicles and goods vehicles must not be increased by more than 50mm beyond the maximum specified by the vehicle manufacturer for the particular model. If a solid axle from another manufacturer is used, the wheel track may be increased by 50mm beyond the maximum specified by the vehicle manufacturer for that particular axle, provided all other requirements such as clearances are meet and the tyres do not protrude outside of the vehicle bodywork.

Also realised today that the Toyo AT IIs only have a 2 ply sidewall so now leaning towards the Coopers.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby srb on Wed Jul 31, 2019 5:43 pm

If you wanted to stay with Toyo then I highly recommend their rugged terrains, these are slightly more aggressive and have 3ply side walls.

I've got them on our Cruiser and will definitely be putting them on the Triton when the time comes.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Thu Aug 01, 2019 6:59 am

Funnily enough I've been eying off the Toyo R/T too, but they don't come in a 17 :(

So for the Triton it would have to be a 265/75 16. They have a diameter of 810mm which is 10mm above the permissible 800mm (750 + 50) and again unsure if they will rub the inner guards or whether the spare will fit. For me they are probably over-kill as I mainly do beach work, but that said a properly deflated mud terrain is excellent in the sand. I think as long as the on road handling of these newer "hybrids" is ok many will consider them for their puncture resistance off road. And of course there is always something about arch filling chunky sidewalls that that stirs the blood! :twisted:
http://toyotires.com.au/images/tyres/fa ... ntryrt.pdf

Another consideration for me is that the CSA Hawk rim I'm looking at has that concave look that I find appealing and the bigger the rim the better it looks. They also look easy to clean. I was considering 265/65 18 tyres on an 18x9 rim but everyone I've talked to says they're hard to get and cost a heap more.

That said, the 16 x 8 rims are cheaper and so are the 16 inch tyres. In fact this configuration was recommended to me by the tyre retailer. Will deflating/bagging out a 16 significantly increase the risk of sidewall damage compared to a 17 of comparable diameter and lesser aspect ratio?
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby srb on Thu Aug 01, 2019 7:59 am

Bugger! Weird they don't do 17s in that size.
Oh well, I guess if you're not doing any serious off roading and only sticking to mostly beach driving, then the 2ply At's will offer a more comfortable ride, and will work great in the sand. And if you're not too concerned with the overall look then going the smaller size will be better for fuel economy and your gearing will be better on the soft sand.

I used to have 245/75r16s bfg at's on my MN, it was a weapon in the sand comparing to my current 265/75r16 Bridgestone muddies. I personally think that the ideal size for the Triton is around that 775mm diameter, especially if you're not tackling the real extreme tracks where ground clearance is important.

And like you say, the 265/70r17s are just outside that legal 50mm increase. Having said that, most people go that larger size and never have issues with police or insurance. Good luck with the decision.

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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Fri Aug 02, 2019 9:42 am

Thanks for your reply srb.

Most of driving is on road and most of the off road is on the beaches north of Noosa or on Fraser Island, including excursions to the west on some fairly gnarly tracks.

The ute is booked in for a modest lift next week. The available space will then be known. Any height gain from the tyres will be a welcome bonus as I am use to much more clearance.

How have you found the on road performance of the Toyo R/Ts? I had ST Maxx on my old Hilux and they were fine in the sand at 20psi but a bit noisy on road.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby srb on Sun Aug 04, 2019 10:29 am

Yeah loving the Toyo RT's, very quite and comfortable on road and also fantastic off road. I've also had the Cooper ST maxx, didn't like them much, noisy on road compared to the Toyos and just average performance.

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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby BarryIRL on Thu Aug 08, 2019 9:51 pm

I have 265/70/17 Toyo Open Country M/T on mine.

I decided on the size after much deliberation - After lifting I regret not putting on 285's as the 265's look too small.

Also consider your offsets as I had ET08 on mine and after the lift the wheels were sitting inside the fender, I recently put spacers on to bring them out/flush.

As other poster said, nice "quiet" tire and good performance.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby bigboots on Sat Aug 10, 2019 3:23 pm

Was running the original 245/65R17 HT tyres fitted as standard and these were basically OK on bitument but useless on wet grass. slid all over the place. Now have Falken Wildpeak 265/65R17 which I am more than happy with. Not as noisy as I thought they would be (possibly same as the HT's) although that may change as they wear more. No evidence of damage after a run up the Ooodnadatta Track. Pressures dropped to 24 front and 28 rear - towing a 2700kg caravan.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Sun Aug 11, 2019 2:44 pm

BarryIRL wrote:I have 265/70/17 Toyo Open Country M/T on mine.

I decided on the size after much deliberation - After lifting I regret not putting on 285's as the 265's look too small.

Also consider your offsets as I had ET08 on mine and after the lift the wheels were sitting inside the fender, I recently put spacers on to bring them out/flush.

As other poster said, nice "quiet" tire and good performance.


Saw a Blue Triton the other day at Noosaville with a big lift and 285/70 17 Nitto Ridge Grapplers. Looked the biz!

Thinking pos 20 offset for mine. Dobinson lift kit just fitted. Tyres next!
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Sun Aug 11, 2019 2:46 pm

bigboots wrote:Was running the original 245/65R17 HT tyres fitted as standard and these were basically OK on bitument but useless on wet grass. slid all over the place. Now have Falken Wildpeak 265/65R17 which I am more than happy with. Not as noisy as I thought they would be (possibly same as the HT's) although that may change as they wear more. No evidence of damage after a run up the Ooodnadatta Track. Pressures dropped to 24 front and 28 rear - towing a 2700kg caravan.


Tyrepower were doing a 4 for 3 promo last month on the Falken Wildpeaks. Good to know they're up to the task. Haven't seen many on the road.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby Steane on Thu Aug 15, 2019 4:00 pm

mq18 wrote:Trying to decide which size to fit to my stock MQ GLX with nudge bar & alloy tray. Want to stay with readily available size that won't scrub and will allow under tray storage of spare. Like the look of the CSA HAWK 17x9 rim with P20 offset. Any input appreciated.


I'm running HAWK 18X9s pos 20 (love the look of these wheels) and 285/60/18 D697 Bridgestones which are a 200 Series fitment and the spare fits under the tub without issue. Tyres sit just inside the wheel arch flares if you're a glass-half-full kind of person that stands in the right spot. Has a 25mm lift in the front, stock height in the rear and doesn't seem to have any clearance issues.

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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Fri Aug 16, 2019 6:41 am

Hi Steane,

How do you find the 60 profile off road? Can the 18s be aired done sufficiently for soft sand?

Got a side on pic of the rims/tyres?
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby Steane on Fri Aug 16, 2019 7:36 am

mq18 wrote:Hi Steane,

How do you find the 60 profile off road? Can the 18s be aired done sufficiently for soft sand?

Got a side on pic of the rims/tyres?


It had no issues crossing the Simpson Desert last year and the MQ went up the hardest track on Big Red first try, in front of a bunch of big lifted, big tyred, Patrols and Cruisers that couldn't crest the same track. Ran it on around 15psi for the crossing and no issues at all. Would have happily dropped the pressures further, but it wasn't required.

Couple more pics:

Click to view larger picture

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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby srb on Fri Aug 16, 2019 8:22 pm

18s and low profiles would be fine for lightly loaded utes such as the pretty blue one above... no good for heavily loaded rigs. And being light weight always rules in the soft stuff.

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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby Steane on Tue Aug 20, 2019 8:41 am

srb wrote:18s and low profiles would be fine for lightly loaded utes such as the pretty blue one above... no good for heavily loaded rigs. And being light weight always rules in the soft stuff.

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I bet you're brilliant in the soft stuff :P
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby mq18 on Tue Aug 20, 2019 7:00 pm

Ok found this!
http://www.loaded4x4.com.au/issue-004/#85

OK happy with the CSA Hawks too.
Now considering 265/75R16 or 265/70R17.
Can only afford one set of tyres and rims so if go 16s thinking Toyo R/T, or if 17s probably Nitto Ridge Grapplers.
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Re: MQ 265/65R17 or 265/70 17 Pros & Cons

Postby Crash486 on Fri Aug 23, 2019 12:32 pm

Taller and thinner wins over shorter and wider except when you want your tyres to "float" over really soft stuff.
When you air down a taller tyre you get an elongated footprint that better moulds to surface irregularities .
Have a read of this...
https://purefjcruiser.com/docs/Skinny-t ... -paper.pdf

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