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| 4-hi speed/time http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=1&t=39625 |
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| Author: | riptricket [ Tue Jan 27, 2009 12:05 am ] |
| Post subject: | 4-hi speed/time |
How long can I be in 4-hi (i am pretty sure that is the first notch in the 4-wd lever) and at what speed should I not exceed??? (is it 45PMH???) Gotta make a trip home tomorrow and it's ICEEEEE here in Oklahoma!!! |
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| Author: | rt_power [ Tue Jan 27, 2009 12:10 am ] |
| Post subject: | |
check your owners manual but i think i remember reading that is about 55mph |
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| Author: | scoobysnax [ Tue Jan 27, 2009 12:16 am ] |
| Post subject: | |
you can shift into 4wd up to 55mph. you can stay in it probably up to top speed HOWEVER you can't stop or turn any faster in 4wd than you can in 2wd when you're going anything close to highway speeds. 4wd is great for accelerating and keeping you moving, don't be fooled by the extra confidence you get with the added traction. Good tires make a big difference. Keep in mind that part time 4wd should only be used on slippery road surfaces. If the road is dry with road salt and there are frozen ice sections you may have some binding issues between the slippery sections and the dry sections. I have full time 4wd so someone with the part time only might have better advice. What ever system you have just make sure you can slow/down and stop in time. Most people I see who have driven off the road in snow/ice are SUV's not cars. |
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| Author: | Boiler [ Thu Feb 05, 2009 1:00 am ] |
| Post subject: | ice |
45 is too fast on ice in my opinion, but yeah, 55 is the recommended max for 4HI As far as SUV's being in ditches more: some of that is probably due to less of them hiding from weather, and more of their owners actually going out just to drive in it. False confidence is surely a factor too. |
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| Author: | snowsport [ Thu Feb 05, 2009 10:03 am ] |
| Post subject: | |
Honestly, I think tires are to blame more often, when you see a 4x4 in the ditch. A lot of 4x4 drivers will explain that their M/Ts or A/Ts do great in deep snow, and they're right. But if you look at the 4x4s in the ditch, how many of them were plowing down the road in deep snow when they lost control? It's usually ice that gets them, and your best chance of staying on an icy road is with winter/ice radials or studded winter tires. |
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| Author: | Jeep Dawg [ Thu Feb 05, 2009 2:35 pm ] |
| Post subject: | |
alot of thoes suv ditch drivers often have some kind of street all season tires that really are not good in snow/ice. yea thye may help. I see alot of suv's in ditches with 20" chrome rims with street performance tires insted of the more agressive tires that are avail for their suv's. ALSO, most often they depend too much on their 4wd systems and think they can do 75mph in the snow and expect to make that turn or stop. It is not a matter of what you drive, it is a matter of HOW YOU DRIVE.. IMO If you can drive a rear wheel drive car safely in bad weather, you can drive anything safely in bad weather. When it snows and I am out on the roads, I ALWAYS keep it slow. no matter if it is 1" of snow or 12" of snow. Slow and stedy for me. |
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| Author: | Jeepjeepster [ Thu Feb 05, 2009 3:47 pm ] |
| Post subject: | |
I dont think Ive ever been over 20mph or so in part time. Ive never even drove on the road in part time. Weather is be covered in snow or ice, Ive never needed part time. Full time is all I ever use, even if the road is totally covered in snow. Ive used part time a few times when offroad but usually Im in 4low. |
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| Author: | Albert [ Thu Feb 05, 2009 5:57 pm ] |
| Post subject: | Re: 4-hi speed/time |
riptricket wrote: How long can I be in 4-hi (i am pretty sure that is the first notch in the 4-wd lever) and at what speed should I not exceed??? (is it 45PMH???)
Gotta make a trip home tomorrow and it's ICEEEEE here in Oklahoma!!! Several years ago on I-95 in NC during an ice storm, I had all I could do to stay in a straight line going 20-25mph in 4hi. The worst ice driving I ever did. Several years ago we had a 28" storm and I had to go up I-87 in the middle of the storm and I was in 4hi and could comfortably hold between 45-50 with good traction for snow covered roads but backed off to 40mph. I also had 3 lanes all to myself. That was still too fast probably. The visibility was an issue more than the road surface. Every storm is different. There is no pre-set speed and you won't hurt the jeep unless you can't stop and hit something.. I mostly use "full time" and have no problems but when the roads are totally covered with snow I use 4hi and slow down to where I feel comfortable traction.......if ice, I slow waaaay down. |
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| Author: | Boiler [ Thu Feb 05, 2009 10:43 pm ] |
| Post subject: | |
Many of us don't have an option for full time though. And yes, tires are the thing. From what I've read, agressive is not better on packed snow and ice though. I'm definitely going for some Bridgestone Blizzak DM-Z3's before next winter myself. |
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| Author: | InCommando [ Thu Feb 05, 2009 11:18 pm ] |
| Post subject: | |
I have the DMZ3's on our minivan. I am very happy with them. |
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