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-   -   highway speed in full time 4X4? (https://www.jeepscanada.com/jeep-mailing-list-32/highway-speed-full-time-4x4-9520/)

Mike Romain 01-06-2004 03:40 PM

Re: highway speed in full time 4X4?
 
FrankW wrote:
>
> Barry Bean wrote:
> > "L0nD0t.$t0we11" <"L0nD0t.$t0we11"@ComcastDot.Net> wrote in
> > news:2BDKb.144057$VB2.547466@attbi_s51:
> >
> >
> >>Roughly 1/6/04 08:36, Barry Bean's monkeys randomly typed:
> >>
> >>
> >>>Let me be more specific-
> >>
> >> Always a good idea.
> >>
> >>>If I'm driving my Jeep Liberty on the interstate in bad weather (i.e.
> >>>drizzle near freezing, light snow, patchy snow), is it safe to use
> >>>"full time 4X4" at speeds of 55-75? The manual says I can safely ----
> >>>in or out of 4wd at up to 55 mph, but makes no mention of a top
> >>>speed, automatic disengage speed, or other limit on 4X4 at highway
> >>>speed.
> >>
> >> This is probably because the manual mistakenly assumes something
> >> resembling self-preservation instincts on the part of the driver.

> >
> >
> > Please. Its not unusual to drive in conditions that allow traffic to flow
> > at the speed limit, but at the same time warrant extra attention or
> > efforts to maintain control.

>
> Yea! wait until you have to apply the brakes and stop quickly
> or a heavy gust of wind blows. Your eyes will be really wide open :-)
>
> >
> >
> >> A full time 4wd can be left engaged at any speed, as it has the
> >> slippage needed. HOWEVER this does not mean it is anything
> >> less than insanely reckless, homicidal, and suicidal to actually
> >> drive at high speeds under degraded weather conditions.

> >
> >
> > Thanks, that's helpful. Nothing furthers a discussion like having someone
> > take your comments out of context, assume facts not in evidence, and
> > attack.
> >
> >

> Driving at high speeds when 4x4 is required is just plain reckless!
> Asking how fast you can go in 4x4 on snow etc, is a stupid question in
> my opinion. I'll see you in the ditch :-)
>
> It seems every snowfall there are more SUV's in the ditch than even 2x4
> cars etc. I wonder why ? Too cocky maybe


Not knowing how to drive in 4x4 is more likely.

When you hit the brakes in a 2 wheel drive, you only lock up the front
tires so you lose steering until you pump the pedal. Jeeps especially
have rear anti lock brakes, have since the 70's.

If you are in 4x4 part time and hit the brakes, you lock up all 4 wheels
and will slide sideways into the ditch or do 360's faster than you can
blink.

People don't know this until it is too late. I even know folks that
have done exactly that and still after not known why it happened.

Some folks also don't realize just because you can get going faster
easier, you sure can't stop any faster.

If you leave the room to maneuver and know what happens when you hit the
brakes, then keeping up with the transport trucks is a good speed to
drive in my opinion and around here that is between 55 and 65 mph.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Mike Romain 01-06-2004 03:40 PM

Re: highway speed in full time 4X4?
 
FrankW wrote:
>
> Barry Bean wrote:
> > "L0nD0t.$t0we11" <"L0nD0t.$t0we11"@ComcastDot.Net> wrote in
> > news:2BDKb.144057$VB2.547466@attbi_s51:
> >
> >
> >>Roughly 1/6/04 08:36, Barry Bean's monkeys randomly typed:
> >>
> >>
> >>>Let me be more specific-
> >>
> >> Always a good idea.
> >>
> >>>If I'm driving my Jeep Liberty on the interstate in bad weather (i.e.
> >>>drizzle near freezing, light snow, patchy snow), is it safe to use
> >>>"full time 4X4" at speeds of 55-75? The manual says I can safely ----
> >>>in or out of 4wd at up to 55 mph, but makes no mention of a top
> >>>speed, automatic disengage speed, or other limit on 4X4 at highway
> >>>speed.
> >>
> >> This is probably because the manual mistakenly assumes something
> >> resembling self-preservation instincts on the part of the driver.

> >
> >
> > Please. Its not unusual to drive in conditions that allow traffic to flow
> > at the speed limit, but at the same time warrant extra attention or
> > efforts to maintain control.

>
> Yea! wait until you have to apply the brakes and stop quickly
> or a heavy gust of wind blows. Your eyes will be really wide open :-)
>
> >
> >
> >> A full time 4wd can be left engaged at any speed, as it has the
> >> slippage needed. HOWEVER this does not mean it is anything
> >> less than insanely reckless, homicidal, and suicidal to actually
> >> drive at high speeds under degraded weather conditions.

> >
> >
> > Thanks, that's helpful. Nothing furthers a discussion like having someone
> > take your comments out of context, assume facts not in evidence, and
> > attack.
> >
> >

> Driving at high speeds when 4x4 is required is just plain reckless!
> Asking how fast you can go in 4x4 on snow etc, is a stupid question in
> my opinion. I'll see you in the ditch :-)
>
> It seems every snowfall there are more SUV's in the ditch than even 2x4
> cars etc. I wonder why ? Too cocky maybe


Not knowing how to drive in 4x4 is more likely.

When you hit the brakes in a 2 wheel drive, you only lock up the front
tires so you lose steering until you pump the pedal. Jeeps especially
have rear anti lock brakes, have since the 70's.

If you are in 4x4 part time and hit the brakes, you lock up all 4 wheels
and will slide sideways into the ditch or do 360's faster than you can
blink.

People don't know this until it is too late. I even know folks that
have done exactly that and still after not known why it happened.

Some folks also don't realize just because you can get going faster
easier, you sure can't stop any faster.

If you leave the room to maneuver and know what happens when you hit the
brakes, then keeping up with the transport trucks is a good speed to
drive in my opinion and around here that is between 55 and 65 mph.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 01-06-2004 03:49 PM

Re: highway speed in full time 4X4?
 
Hi Tim,
If you drive the speed limit in the rain here in Kalifornia you
will cited by a police officer for driving "too fast for conditions." :
http://www.dmv.ca.gov/pubs/vctop/d11/vc22350.htm
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Tim Hayes wrote:
>
> L0nD0t.$t0we11 wrote:
>
> > A full time 4x4 doesn't disengage at any speed. That is a part
> > time 4x4 mode which should never be used on a highway unless it
> > is extremely slippery...enough to keep the driveline from binding
> > up. And if the highway is slippery enough to need part time
> > 4x4, 55 mph is insane.

>
> I disagree. Just last month I was traveling on I-78 in New Jersey during
> the last blizzard we had. I was in 4wd-hi and moving at the speed limit
> in 3-4" of fresh unplowed snow (the speed limit is 65).
>
> I had no binding of the drivetrain and was in control of the vehicle.
> There were few other cars on the road and whenever I caught up to one
> I'd slow down as much as necessary to pass safely.
>
> That was a blast, and I don't consider myself insane. This was no more
> reckless than traveling 75mph on the same road in "bumper to bumper"
> traffic during a rainstorm- conditions that happen regularly on that road.


L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 01-06-2004 03:49 PM

Re: highway speed in full time 4X4?
 
Hi Tim,
If you drive the speed limit in the rain here in Kalifornia you
will cited by a police officer for driving "too fast for conditions." :
http://www.dmv.ca.gov/pubs/vctop/d11/vc22350.htm
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Tim Hayes wrote:
>
> L0nD0t.$t0we11 wrote:
>
> > A full time 4x4 doesn't disengage at any speed. That is a part
> > time 4x4 mode which should never be used on a highway unless it
> > is extremely slippery...enough to keep the driveline from binding
> > up. And if the highway is slippery enough to need part time
> > 4x4, 55 mph is insane.

>
> I disagree. Just last month I was traveling on I-78 in New Jersey during
> the last blizzard we had. I was in 4wd-hi and moving at the speed limit
> in 3-4" of fresh unplowed snow (the speed limit is 65).
>
> I had no binding of the drivetrain and was in control of the vehicle.
> There were few other cars on the road and whenever I caught up to one
> I'd slow down as much as necessary to pass safely.
>
> That was a blast, and I don't consider myself insane. This was no more
> reckless than traveling 75mph on the same road in "bumper to bumper"
> traffic during a rainstorm- conditions that happen regularly on that road.


L.W.(=?iso-8859-1?Q?=DFill?=) Hughes III 01-06-2004 03:49 PM

Re: highway speed in full time 4X4?
 
Hi Tim,
If you drive the speed limit in the rain here in Kalifornia you
will cited by a police officer for driving "too fast for conditions." :
http://www.dmv.ca.gov/pubs/vctop/d11/vc22350.htm
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/

Tim Hayes wrote:
>
> L0nD0t.$t0we11 wrote:
>
> > A full time 4x4 doesn't disengage at any speed. That is a part
> > time 4x4 mode which should never be used on a highway unless it
> > is extremely slippery...enough to keep the driveline from binding
> > up. And if the highway is slippery enough to need part time
> > 4x4, 55 mph is insane.

>
> I disagree. Just last month I was traveling on I-78 in New Jersey during
> the last blizzard we had. I was in 4wd-hi and moving at the speed limit
> in 3-4" of fresh unplowed snow (the speed limit is 65).
>
> I had no binding of the drivetrain and was in control of the vehicle.
> There were few other cars on the road and whenever I caught up to one
> I'd slow down as much as necessary to pass safely.
>
> That was a blast, and I don't consider myself insane. This was no more
> reckless than traveling 75mph on the same road in "bumper to bumper"
> traffic during a rainstorm- conditions that happen regularly on that road.


Tim Hayes 01-06-2004 04:08 PM

Re: highway speed in full time 4X4?
 
I've been in LA before when it rained. Those roads turn slicker than ice
when rain first hits them. I thought everybody was just being insanely
cautious until the first time I drove in those conditions myself.

Over here we get precipitation often enough that no oil or anything else
has a chance to build up on the surface to a level like it does out in CA.

Still, if the roads were empty, as they very often are when it snows
here, I still think its OK to have a little fun- so long as you are
jeopardizing other's lives and property.

Besides, this is a Jeeping group- rock-crawling and desert travel are
not any safer than 'speeding' on a snowy highway if you know what you
are doing. In all situations you have to know what to expect to be able
to handle your vehicle. You can learn to travel on a highway at 70+ mpg
in a blizzard just like you can learn not to flip your Jeep over when
climbing a steep incline.

L.W.(ßill) ------ III wrote:

> Hi Tim,
> If you drive the speed limit in the rain here in Kalifornia you
> will cited by a police officer for driving "too fast for conditions." :
> http://www.dmv.ca.gov/pubs/vctop/d11/vc22350.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Tim Hayes wrote:
>
>>L0nD0t.$t0we11 wrote:
>>
>>
>>> A full time 4x4 doesn't disengage at any speed. That is a part
>>> time 4x4 mode which should never be used on a highway unless it
>>> is extremely slippery...enough to keep the driveline from binding
>>> up. And if the highway is slippery enough to need part time
>>> 4x4, 55 mph is insane.

>>
>>I disagree. Just last month I was traveling on I-78 in New Jersey during
>>the last blizzard we had. I was in 4wd-hi and moving at the speed limit
>>in 3-4" of fresh unplowed snow (the speed limit is 65).
>>
>>I had no binding of the drivetrain and was in control of the vehicle.
>>There were few other cars on the road and whenever I caught up to one
>>I'd slow down as much as necessary to pass safely.
>>
>>That was a blast, and I don't consider myself insane. This was no more
>>reckless than traveling 75mph on the same road in "bumper to bumper"
>>traffic during a rainstorm- conditions that happen regularly on that road.



Tim Hayes 01-06-2004 04:08 PM

Re: highway speed in full time 4X4?
 
I've been in LA before when it rained. Those roads turn slicker than ice
when rain first hits them. I thought everybody was just being insanely
cautious until the first time I drove in those conditions myself.

Over here we get precipitation often enough that no oil or anything else
has a chance to build up on the surface to a level like it does out in CA.

Still, if the roads were empty, as they very often are when it snows
here, I still think its OK to have a little fun- so long as you are
jeopardizing other's lives and property.

Besides, this is a Jeeping group- rock-crawling and desert travel are
not any safer than 'speeding' on a snowy highway if you know what you
are doing. In all situations you have to know what to expect to be able
to handle your vehicle. You can learn to travel on a highway at 70+ mpg
in a blizzard just like you can learn not to flip your Jeep over when
climbing a steep incline.

L.W.(ßill) ------ III wrote:

> Hi Tim,
> If you drive the speed limit in the rain here in Kalifornia you
> will cited by a police officer for driving "too fast for conditions." :
> http://www.dmv.ca.gov/pubs/vctop/d11/vc22350.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Tim Hayes wrote:
>
>>L0nD0t.$t0we11 wrote:
>>
>>
>>> A full time 4x4 doesn't disengage at any speed. That is a part
>>> time 4x4 mode which should never be used on a highway unless it
>>> is extremely slippery...enough to keep the driveline from binding
>>> up. And if the highway is slippery enough to need part time
>>> 4x4, 55 mph is insane.

>>
>>I disagree. Just last month I was traveling on I-78 in New Jersey during
>>the last blizzard we had. I was in 4wd-hi and moving at the speed limit
>>in 3-4" of fresh unplowed snow (the speed limit is 65).
>>
>>I had no binding of the drivetrain and was in control of the vehicle.
>>There were few other cars on the road and whenever I caught up to one
>>I'd slow down as much as necessary to pass safely.
>>
>>That was a blast, and I don't consider myself insane. This was no more
>>reckless than traveling 75mph on the same road in "bumper to bumper"
>>traffic during a rainstorm- conditions that happen regularly on that road.



Tim Hayes 01-06-2004 04:08 PM

Re: highway speed in full time 4X4?
 
I've been in LA before when it rained. Those roads turn slicker than ice
when rain first hits them. I thought everybody was just being insanely
cautious until the first time I drove in those conditions myself.

Over here we get precipitation often enough that no oil or anything else
has a chance to build up on the surface to a level like it does out in CA.

Still, if the roads were empty, as they very often are when it snows
here, I still think its OK to have a little fun- so long as you are
jeopardizing other's lives and property.

Besides, this is a Jeeping group- rock-crawling and desert travel are
not any safer than 'speeding' on a snowy highway if you know what you
are doing. In all situations you have to know what to expect to be able
to handle your vehicle. You can learn to travel on a highway at 70+ mpg
in a blizzard just like you can learn not to flip your Jeep over when
climbing a steep incline.

L.W.(ßill) ------ III wrote:

> Hi Tim,
> If you drive the speed limit in the rain here in Kalifornia you
> will cited by a police officer for driving "too fast for conditions." :
> http://www.dmv.ca.gov/pubs/vctop/d11/vc22350.htm
> God Bless America, ßill O|||||||O
> mailto:-------------------- http://www.----------.com/
>
> Tim Hayes wrote:
>
>>L0nD0t.$t0we11 wrote:
>>
>>
>>> A full time 4x4 doesn't disengage at any speed. That is a part
>>> time 4x4 mode which should never be used on a highway unless it
>>> is extremely slippery...enough to keep the driveline from binding
>>> up. And if the highway is slippery enough to need part time
>>> 4x4, 55 mph is insane.

>>
>>I disagree. Just last month I was traveling on I-78 in New Jersey during
>>the last blizzard we had. I was in 4wd-hi and moving at the speed limit
>>in 3-4" of fresh unplowed snow (the speed limit is 65).
>>
>>I had no binding of the drivetrain and was in control of the vehicle.
>>There were few other cars on the road and whenever I caught up to one
>>I'd slow down as much as necessary to pass safely.
>>
>>That was a blast, and I don't consider myself insane. This was no more
>>reckless than traveling 75mph on the same road in "bumper to bumper"
>>traffic during a rainstorm- conditions that happen regularly on that road.



Tim Hayes 01-06-2004 04:16 PM

Re: highway speed in full time 4X4?
 
Tim Hayes wrote:

> Still, if the roads were empty, as they very often are when it snows
> here, I still think its OK to have a little fun- so long as you are
> jeopardizing other's lives and property.



Um, that should be "are not jeopardizing"! ;)

Big difference, sorry!


Tim Hayes 01-06-2004 04:16 PM

Re: highway speed in full time 4X4?
 
Tim Hayes wrote:

> Still, if the roads were empty, as they very often are when it snows
> here, I still think its OK to have a little fun- so long as you are
> jeopardizing other's lives and property.



Um, that should be "are not jeopardizing"! ;)

Big difference, sorry!



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