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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: Tyre Wear on Dunlop ST20's
quote: meekster67 wrote:
He can put a full set of Good tyres on his F-150 for $450!
Am not suprised mate. How many sets of those he will go through by the time you go through just one set of yours?
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7/Feb/2011, 12:47 pm
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meekster67
X-TRAIL ENTHUSIAST
Date Registered: 05-2009
Location: Dakabin, Qld
TOTAL POSTS: 232
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Re: Tyre Wear on Dunlop ST20's
quote:
Am not suprised mate. How many sets of those he will go through by the time you go through just one set of yours?
LOL, Unlikely mate, he has a mini-cooper that he drives more, the truck is 8 years old and has about 15,000 miles on the clock...
Cheers,
David
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2009 ST-L Precision Grey
Bonnet & Headlamp protectors, Tow Package, Tint,Yokohama Geolander A/T-S
Floor mats, Roof Racks, Forum Sticker & Member number
David & Sonja
X-1254(c)
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8/Feb/2011, 6:50 am
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meekster67
X-TRAIL ENTHUSIAST
Date Registered: 05-2009
Location: Dakabin, Qld
TOTAL POSTS: 232
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Re: Tyre Wear on Dunlop ST20's
Finally, the Yoko's are in.. Getting the Exy skinned today! Nice and wet around Brissy, so should be fun...
Cheers,
David
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2009 ST-L Precision Grey
Bonnet & Headlamp protectors, Tow Package, Tint,Yokohama Geolander A/T-S
Floor mats, Roof Racks, Forum Sticker & Member number
David & Sonja
X-1254(c)
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4/Mar/2011, 12:56 pm
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whip62
X-TRAIL ENTHUSIAST
Date Registered: 10-2010
Location: Bathurst, NSW
TOTAL POSTS: 147
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Re: Tyre Wear on Dunlop ST20's
While I'm not a Dunlop fan I have been reasonably happy with mine. I currently have 50,000ks on them, predominantly highway travel as I have a set of 16" Yoko ATs for off road which I've put 17,000ks on and they look almost brand new.
I'm taking the Exy in for a balance and rotation today and try to do ensure I do this every 10,000k, as well as getting a wheel alignment when necessary. I think I should be able to get about another 5-10,000k out of them.
As for replacements I'm not sure I'd get Dunlops again and rather than having the Yokies sitting in the garage I might just put the 16s on for a while when the Dunlops go to meet their maker.
Allan
--- Whip
X-1712
2010 T31 Series III Manual TL Diesel Flint: Bash plates,Strut Bar,bonnet struts,Nudge Bar & lights,Bonnet & H'Light protectors,Side Steps,Roof Spoiler,Towbar,Kick plates, Pedders lift, dual battery, etc..
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12/Jul/2012, 10:32 am
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DogTrail
X-TRAIL FANATIC
Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481
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Re: Re:
Just hit 30,200 Km on the 17 inch ST 20's so I ran the calipers over them to determine the current tread wear.
I measured to the cross bars which determine what is legal for uninterrupted tread so the percentages are of what is legal, rather than what is bald.
I measured a new Dunlop ST20 at 0.25" (100%) to the tread bar as a base point.
Front left: 0.145" (58%) remaining.
Front right: 0.152" (60%)
Rear left: 0.146" (58%)
Rear right: 0.151" (60%)
The current front right is a tyre which was a replacement for a spiked LHR tyre at 12,000 km of wear for the set.
I cross rotated the tyres at the time so that the new one was on Front Right. Subsequent 10,000 km rotations have kept it at the highest wear point for my driving style (front right) and I shift the most worn tyres to the least wearing positions each time... to stretch the lifespan and keep the most tread where it may be most needed.
Crunching the numbers, I am surprised to discover that the ST20's should be good for at least 60,000 km (and possibly 70K if everything remains reasonably constant).
Last edited by DogTrail, 26/Nov/2013, 12:10 am
--- 2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT : + some gadgets and cosmetic add-on's. Dirt, (it protects the paintwork) X-2429(c).
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25/Nov/2013, 11:54 pm
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DogTrail
X-TRAIL FANATIC
Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481
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Re: Re:
An update on my St 20's.
I replaced the set at 48,000 Km.
They still had legal tread depth but were very noisy on bitumen and what grip they started with had deteriorated to the point where it was time for me to let them to go in case they decided to go of their own accord and take me with them.
As a soft tyre with a treadwear rating of 300, I probably ended up with good longevity for that type of tyre and they were satisfactory on dry bitumen (the torque steer was sometimes surprising) but I would not recommend them for wet road cornering or for use on gravel .
I replaced them with a set of the new Continental Sports Contact 5 SUV tyres (which have a treadwear rating of only 280) and are supposed to grip very well on wet corners where one needs that grip the most.
At $680 for the set of four and a $80 'gift voucher' refund from the Manufacturer to bring it to $600 for the set, they were hard to beat for value - even if they do wear twice as fast as other tyres at twice the price.
I'll comment further on them in the appropriate area when I've had them long enough to be able to give a proper comparison - but on first impressions:
On gravel the Conti's are vastly better than the Dunlops (no slide or traction loss at a higher speed than I was ever game to try before) and no sign of torque steer under hard acceleration on bitumen. Rolling resistance seems a bit higher but otherwise, it's too soon to tell.
Last edited by DogTrail, 9/Apr/2015, 7:59 pm
--- 2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT : + some gadgets and cosmetic add-on's. Dirt, (it protects the paintwork) X-2429(c).
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9/Apr/2015, 7:30 pm
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TopGun65
X-TRAIL ENTHUSIAST
Date Registered: 07-2015
TOTAL POSTS: 208
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Re: Tyre Wear on Dunlop ST20's
I reached 78,000 klms and 4 years with my ST 20's. They were driven mainly on roads and occasionally on dirt tracks and sand. I check the pressures monthly and rotate them every 5,000 klms. I keep the pressures at 38-40 psi. I find them great in the wet and dry, offroad and good in the sand at a low pressure. I don't go offroad often enough to warrant me buying Allterrains, and was quite happy with the performance and life of the ST 20's, so I bought another set. I believe regular checking of the tyre pressures, driving style and a 5,000k rotation will get you longer life out of your tyres.
Edit, I bought another 4 Dunlop ST20's at $179 each after clocking up 84,000 k's and nearly 4 years on the previous set.
Last edited by TopGun65, 3/Nov/2018, 10:40 am
--- Eric
X-4282 (c)
Glen Alpine, Sydney
2010 T31 Cvt STL
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3/Dec/2015, 4:36 pm
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