50mph in 4wd

[PWD4R]

Not true, in RWD it's easy to fishtail & loose control if you hit a slippery patch. 4WD keeps you straight & steady with the front wheels pulling like FWD.

But if fish tailing is that much of a chance then why go 60? The average driver can't correct properly anyway. In THEORY I understand the full differences but in REALITY no. With these top heavy vehicles fish tailing at 60 most people that come out on all 4s are just lucky. People get too brake happy and that won't help with 1 or 10 wheel drive.


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[smerhej]

I know the owner's manual for my 2000 4Runner and the little placard in my sun visor say two different things.

The placard says don't take it over 80 kmh (50 mph) but I remember the manual being higher.. Anyway from my understanding the faster you go the more work the transfer case has to do, and I'm assuming 50 mph is that threshold where the work it (t-case) is doing goes from normal to increasingly difficult very quickly, so doing it every now and then might not cause any immediate issues, but repeatedly driving over 50 could cause excessive wear?

 

[Formidable]

Hi,
I cannot shit no matter what but in full stop...

Sometimes I shart... but I've never taken a shit running at full speed either.

 

[alumarine]

I know the owner's manual for my 2000 4Runner and the little placard in my sun visor say two different things.

The placard says don't take it over 80 kmh (50 mph) but I remember the manual being higher.. Anyway from my understanding the faster you go the more work the transfer case has to do, and I'm assuming 50 mph is that threshold where the work it (t-case) is doing goes from normal to increasingly difficult very quickly, so doing it every now and then might not cause any immediate issues, but repeatedly driving over 50 could cause excessive wear?

The placard in the visor says

"Transfer Gear Shifting Instructions
Keep vehicle speed below 50mph."

That's for shifting into 4wd, not once it's been shifted.
Once it's in 4wd you can go as fast as you want.

 

[smerhej]

The placard in the visor says

"Transfer Gear Shifting Instructions
Keep vehicle speed below 50mph."

Woah yup! Just saw that little arrow on the placard.

 

[MtnT4R]

But if fish tailing is that much of a chance then why go 60? The average driver can't correct properly anyway. In THEORY I understand the full differences but in REALITY no. With these top heavy vehicles fish tailing at 60 most people that come out on all 4s are just lucky. People get too brake happy and that won't help with 1 or 10 wheel drive.


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The average driver also cannot correct from distracted or irresponsible driving at highway speeds on dry pavement, but millions of people do it every day. Driving 60 on snow covered interstate is really not that big of a deal, especially if you just make a marginal effort at being an alert driver. Easy on the gas, easy on the brakes, don't jerk the steering wheel, give drivers plenty of room in front and behind, and 60 is just fine. Keeping it in 4wd to avoid the possibility of losing the rear end on ice is just adding an extra margin for error.

 

[Scramble]

But if fish tailing is that much of a chance then why go 60? The average driver can't correct properly anyway. In THEORY I understand the full differences but in REALITY no. With these top heavy vehicles fish tailing at 60 most people that come out on all 4s are just lucky. People get too brake happy and that won't help with 1 or 10 wheel drive.


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There's all kinds of road conditions in the Winter & you need to be prepared for all of them. There's also very different types of snow, wet, dry, heavy, fluffy, etc & you need to adjust your driving for each condition. No one is saying to drive 60 on ice. Anyone who has 4WD & doesn't use it in bad weather is an idiot. I've been driving in the NE winters for 35 years & 17 years with this 4Runner. I am one with the vehicle. Especially with a manual that slows down faster than an auto when you take your foot off the gas. If I didn't know how to drive in the snow this truck would be wrecked by now. This is my bad weather vehicle & it gets me to work in Blizzards. Driving 60mph is really not that fast when you have 18 wheelers tailgating you who want to do 70.

One time I was leaving a friends house at 4am & had an hours drive home on the SS parkway on Long Island. There was 12" of snow on the ground, no plows had come through & no other cars on the road, no tracks in front of me. This beast of a truck got me home at 60mph in fresh powder still falling without breaking a sweat. It was still stock with 275/70/16 A/T's. It was one of the most amazing driving experiences of my life.

 

[BrandonF]

To the guys saying you shouldn't need 4wd if you're going over 50mph, you clearly don't have much experience driving on snowy roads...

As mentioned by [MENTION=7105]Scramble[/MENTION] when you are in 4wd, the front wheels will pull you along and keep you going straight rather than the rear wheels pushing the rear end out in 2wd. It's not about acceleration traction. It's about maintaining stability and control and 4wd makes a world of difference.

 

[phattyduck]

Speed limits during chain controls (ie. winter weather) in California max out at 35mph.

Having watched many 4WD vehicles going much over ~35-40mph (what I was doing at the time) spin out in front of me, I'll stick with more reasonable speeds, even on highways. I am normally driving AWD cars with all-seasons and at least two LSD's (center and rear). I'm looking forward to trying it out in the 4Runner...

-Charlie

PS. And yes, it is a total s#*%-show in bad winter storms in the mountains in California. :smow:

 

[TinBucket]

Here's the thing though. If you're going over 50 mph you don't need 4WD. At that speed you'll need brakes more than throttle and 4WD won't save you if you're trying to use breaks. No reason for 4WD at those speeds TBH.


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There's a dozen reasons this is wrong.

How about engine braking?

Also lol at 4wd not keeping you safe at 50. it keeps you pointed straight 10x better than rwd.

 

[repo]

If the ground is slippery enough not to bind up the wheels there's no reason not to use 4hi. I use it on snow, slush, dirt, gravel, even just rain sometimes. You still have to go an appropriate speed (under 50 probably, so a moot point) because it wont do anything to help you stop of course. It will help you steer through something though.