- First Name
- Jul 1, 2020
- Reaction score
- 2019 JL, 2016 Jeep Grand Cherokee Altitude Ecodiesel, 2005 Mustang GT, 2018 Ford Raptor, 2018 BMW R1200GSA, 2020 Honda Monkeybikes (2), 1972 Honda CT-70, 1980 Honda CT-70,
- Saving the world :-)
This mostly captures it.Here's the siping on Duratracs.
The susceptibility of a tire to hydroplaning is primarily a function of it's tread pattern. BFG All Terrains have had poor hydroplaning performance since they were first introduced in the 1970s, and since the overall tread pattern has changed little in the last 40+ years, they are still poor when it comes to hydroplaning.
In my experience the BFGs are pretty good in snow but poor on ice. On both surfaces the Duratracs are much, much better. The Duratracs are remarkably good on snow and ice, almost as good as a dedicated snow tire.
Where the BFGs shine are on the road where they're quiet and handle well. They are especially good in sandy terrain; the best all terrain in the sand that I've driven. I think that's at least partially due to their tread pattern which may hurt them for hydroplaning, but helps on soft ground. They're also durable and decent on rocks.
I’ve had many sets of BFG ATs over the last 45 years and I live and work in the mountainous northwest. Rain, snow and mud are the rule here for about 7 months of the year.
I run KO2 on my pickup in the summer and studded Duratracs in the winter. I have run that combination on various pickups for about 25 years and it‘s the best combination I’ve found.
I was running 37” KO2s on the Jeep in the summer and studded Grabber ATXs in the winter (because the Duratracs don’t come in 17x37s). When we started running the Jeep on spring trails and using only the Raptor to take the grandkids skiing and sledding I pulled the studs from the ATXs and started running them year-round.
KO2s are fine on clean wet pavement. Where they aren’t great, and where most ATs aren’t great, is in their resistance to hydroplaning after hitting standing water at highway speeds. The KO2 tread pattern is too tight to evacuate large amounts of water quickly, so the tire will quickly float on a cushion of water, breaking contact with the pavement. Any tire will do that given enough water or enough speed. A lighter vehicle, larger tire surface area, higher speed, and deeper water all increase the risk, but I had 35s break loose under my 7000+ pound diesel one-tons twice at highway speeds when I hit small patches of standing water between 55 mph and 65 mph. My Jeep is 25% lighter, and I’m running even bigger tires, so I know better than to use that as a highway combination in heavy rain.
If you want a tire that’s more resistant to hydroplaning, pick one that has more space between the tread blocks. If you go with a tire like a Toyo MT, it will be less prone to hydroplane, and it will clear mud more readily, but it won’t have comparable traction on slick surfaces. All tires represent design trade-offs and compromises. If you’re not into mudding, and you’re not worried about hitting standing water over 40 mph, the KO2 is hard to beat.
The KO2 is also a very good snow tire. There are several good demonstation videos posted online showing cornering, accelerating, and braking in snow. The study and survey results linked on Tire Rack are consistent with those videos and my experience, but there’s always some internet guy who says a particular tire ”sucks” at this or that... I’ve learned to take internet posts (like this one) with a pound of salt.
I’ve found the demos/tests and data compilations to be more reliable sources of information. The truth is, most people are poorly trained, lousy drivers with limited experience, so it’s next to impossible to draw actionable conclusions from posts like this one.
It’s also important to remember that there are many different kinds of snow and ice conditions, just as there is a huge difference between the pavement after weeks of rain, as opposed to the pavement after the first rain of the season. In the northwest, it’s common to have 7 to 10 weeks with little or no rain during the summer. During the dry periods oils, rubbers, solvents, fuels, antifreeze, and other substances combine to create a film on the road surfaces. When the first rains come the water mingles with that film and makes the road surface slicker than snot. We always have a slew of crashes during the first 48 hours of fall rain. This week has been another reminder of that. Commercial vehicles, cars, and trucks of every flavor, on the interstate, state highways, and in town. It’s the same thing every year...
If the last 33 years are any indication, when the snow and ice arrive the city folks from warm climates will buy new 4-wheel drive vehicles, then they’ll continue tailgating at 20 mph over the speed limit as the crashes the crashes accumulate. when they crash they’ll claim their tires suck.