Reply With QuoteNot sure what your conditions are, but I get a fair bit of wear from laden touring on outback roads, and not much on sealed roads.
Master
SupporterJust done my first rotation on a new set of BFG KM2 Mud's at 7,700km in. Puma 110.
Out of curiosity i measured the tread depth. Unused spare showed 14mm. Slightly shocked/ alarmed to measure the tread depth at the front as down as far as 9mm on the inside edges of the fronts (10mm at outside edge)
Is this normal?
If so i give my tyres another 15,000km or so before they're buggered?
Is there something i can do with the tyre pressures to reduce wear? I run 36-38 fronts, 38-40 at rear, usually light to medium loading.
Interested in opinions,
Cheers, Sam
Swaggie
Not sure what your conditions are, but I get a fair bit of wear from laden touring on outback roads, and not much on sealed roads.
Cheers
Slunnie
~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
Block set will drop tyres a couple of mm in months... It should slow down.
How is the wear across the tread?
Master
What's your centre tread like? Edge (both) wear usually indicates under inflation for driving conditions. Inside wear can be attributed to camber. This is all from memory of a chewing out I got from a company mechanic years ago, so may need to be verified by someone with more knowledge, but that is my understanding.
Cheers
Master
SupporterTypically about 2mm more wear on the inside edges than the outside for the fronts.Originally Posted by Tombie
The rears are both fine - down about 1mm total across the tread.
Last edited by Samblers; 25th April 2014 at 08:07 PM. Reason: wrong number
ForumSage
I know the OP probably has alloys, and I have no experience with Km2s, but I found 235/85R16 wore uneven and quick on stock LR 5.5 rims as supplied on 110s.
Master
SupporterWhat sort of life should be expected out of these KM2's?
Are my pressures good?
Im now on my second set of KM2s in my work vehicle (a 07 hilux admittedly but similar kerb weight). I spend at least 40% of the time driving with a load on heavy gravel roads. Set number one lasted 75,000kms and I could have easily got 80 if I had wanted to wear them out completely. Set number 2 currently on vehicle has aprox 40,000 on them and looking like ill get 75K out of these too. I run mine at 32psi front 34 rear (rightly or wrong) but this seems to give even wear and a nice ride. I also get a wheel alignment done every 2-3 months as the road conditions on i drive on tend to send it out of wack. Just my experiences anyway
Cheers
Chris
Wizard
I have a set of 'road tyres' and a set of KM2s because I am paranoid about wearing them out. They are a pain to change and take up a lot of space in the garage, but I don't have to worry about wearing them out on the highway. I run 32 psi on road front and back, but that is lightly loaded, I haven't had a long trip yet, so they might change when it's loaded.
Jeff
LordRover
SupporterYou should be looking in excess of 80,000kms out of a set of KM2s. Most people tend to over inflate their tyres and as such they wear first in the centres.
My personal thoughts are that your tyre pressures are a couple of PSI too much but I would let how your tyre wear patterns inform you on this issue.
I have KM2s on my 101 and run 30psi all round without any issues but for a 110 I would a bit higher pressure due to the higher speeds a 110 can maintain.
Garry
REMLR 243
2007 Range Rover Sport TDV6
1977 FC 101
1976 Jaguar XJ12C
1973 Haflinger AP700
1971 Jaguar V12 E-Type Series 3 Roadster
1957 Series 1 88"
1957 Series 1 88" Station Wagon
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