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Braking on snow w/ 4wd

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Braking on snow w/ 4wd - 2/4/2008 11:33:36 AM

csu

Posts: 4
Joined: 2/4/2008
Status: offline

A guy on another forum I frequent claims that engaging 4wd on his dakota allows him to brake better and slip less while on snow. Many users have tried to teach him some physics but he cannot comprehend science. He continues to claim engaging his 4wd system helps him brake better on snow, and that if we all dont notice it with our 4wd vehicles, it must be because we aren't driving a dakota. So dakota owners... settle the debate:

Does engaging your 4wd system help you brake more effectively on snow?

< Message edited by csu -- 2/4/2008 11:38:23 AM >

Post #: 1

RE: Braking on snow w/ 4wd - 2/4/2008 12:08:39 PM

Brymac76

Posts: 64
Joined: 9/10/2007
Status: offline

Thats pretty much one of the dumbest things Ive ever heard..

Almost sounds like this guy is just trying to rile people up on purpose....who knows though.

_____________________________

1997 Dakota CC, 3.9L(wish it were a V8)
5 Speed manual(of course)
4x4(of course)
http://www.cardomain.com/ride/2148733

(in reply to csu)

Post #: 2

RE: Braking on snow w/ 4wd - 2/4/2008 12:18:22 PM

csu

Posts: 4
Joined: 2/4/2008
Status: offline

Yes, he's an idiot. He really believes it and tells us we don't know because we don't have dakotas. Anyone else want to tell him he's a moron? I'll link the other forum here once a few more people respond.

< Message edited by csu -- 2/4/2008 12:22:59 PM >

(in reply to Brymac76)

Post #: 3

RE: Braking on snow w/ 4wd - 2/4/2008 6:26:19 PM

Crazy4x4RT

DodgeForum Moderator
Posts: 958
Joined: 8/10/2007
Status: online

The olny way I could see that helping while braking is if you downshift and engine brake so tranny helps you brake at both axles.

_____________________________

93 Dakota Was 2wd 5.2 NOW 4X4 5.9RT 33x12.5 6in lift 1/4mile 15.259 85mph at over 1mile el 14.2 sea lv. http://www.youtube.com/user/truck93 "No truck should ever be lowerd! NEVER"

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Post #: 4

RE: Braking on snow w/ 4wd - 2/4/2008 9:08:49 PM

fox

Posts: 317
Joined: 5/9/2007
From: CA
Status: offline

He probley thinks when 4WD is engaged all 4 wheels are driving wheels, so better traction but only 2Wd are driving but I still think thats ridiculous.

_____________________________

1993 Dodge Dakota V8 5.2/318 4x4
K&N Cold air intake,
Super 40 flowmaster,
Bored .020
Limited Slip,
Decked Block & Heads
31" tires
Flowtech headers
318 converted to 322!
http://s82.photobucket.com/albums/j245/guitarguy22/

(in reply to Crazy4x4RT)

Post #: 5

RE: Braking on snow w/ 4wd - 2/4/2008 10:23:19 PM

minnesotamopar

Posts: 99
Joined: 9/16/2007
Status: offline

I'll give him a little credit but only because with 4WD engaged your wheels generally stay pointed in the direction you intended, and since brakes and tires only apply force against the road surface and work against momentum when the wheels are pointed in the right direction (the direction that makes them roll and not slide sideways) then it does give you some advantage at least when compared to jamming the brakes and not staying straight in line with your momentum.

--Matt

(in reply to csu)

Post #: 6

RE: Braking on snow w/ 4wd - 2/5/2008 6:46:44 AM

csu

Posts: 4
Joined: 2/4/2008
Status: offline

wow, so some of you actually agree with him?

he doesnt try to make any explanations, he just says i notice it brakes better on snow when in 4wd. we tried to explain to him that the coefficient of friction between the tires and the snow doesnt change when 4wd is engaged, so he tells us it must be a dakota thing.

(in reply to minnesotamopar)

Post #: 7

RE: Braking on snow w/ 4wd - 2/5/2008 11:11:43 AM

fox

Posts: 317
Joined: 5/9/2007
From: CA
Status: offline

lol does this mean he stops better in mud too?

_____________________________

1993 Dodge Dakota V8 5.2/318 4x4
K&N Cold air intake,
Super 40 flowmaster,
Bored .020
Limited Slip,
Decked Block & Heads
31" tires
Flowtech headers
318 converted to 322!
http://s82.photobucket.com/albums/j245/guitarguy22/

(in reply to csu)

Post #: 8

RE: Braking on snow w/ 4wd - 2/5/2008 5:32:35 PM

Altair

DodgeForum Moderator
Posts: 4639
Joined: 3/10/2007
Status: offline

quote:

ORIGINAL: csu

wow, so some of you actually agree with him?

he doesnt try to make any explanations, he just says i notice it brakes better on snow when in 4wd. we tried to explain to him that the coefficient of friction between the tires and the snow doesnt change when 4wd is engaged, so he tells us it must be a dakota thing.

This guy is a complete idiot, anyone that lives in a snowy state should know that while 4wd will help you get going better it does NOT change how your brakes work. I'm from Maine and when you take driver's ed there they hammer that into you because many people get false confidence from the 4wd and go too fast for conditions. They don't realize their mistake till they need to stop...

Ask him to explain how 4wd works, if he actually gets it correct then ask him how the brakes are tied into it. Either he'll figure it out or (far more likely) just make himself seem like a bigger idiot...

Edited for clarity.

< Message edited by Altair -- 2/5/2008 5:37:05 PM >

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quote:

ORIGINAL: batman13
i liked the first clinton,
he shot from below the belt.....

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Post #: 9

RE: Braking on snow w/ 4wd - 2/6/2008 6:11:54 AM

csu

Posts: 4
Joined: 2/4/2008
Status: offline

^ we have tried that. he says "i dont know or care how it works. i just know that when i put it in 4wd i brake better on snow. it must be a dakota thing."

that's why im looking to see what dakota owners say. i know hes wrong, i just want him to read from another source.

(in reply to Altair)

Post #: 10

RE: Braking on snow w/ 4wd - 2/6/2008 8:00:20 AM

lghtngblt02

Posts: 1073
Joined: 1/4/2008
From: Mechanicsburg, Pa
Status: online

Here is a site for this less intelligent individual; http://www.ehow.com/how_2120144_drive-fourwheel-drive-snow.html, It talk about how the only benefit is better traction, which most of us know, and nothing about being invincible or allowing the breaks to slow you faster. HAHA

I guess the only thing I can think of that would make him say this is that when its in fourwheel drive the front wheels are less likely to lock up because of power being placed in the front, but then again thats what anti-lock brakes do? So yeah, he is a DUMBA$$!

_____________________________

93 Dodge Dakota LE 2x4, 3.9L V6 Magnum
00 Ford Focus LX Sedan, 2.0L SPI

(in reply to csu)

Post #: 11

RE: Braking on snow w/ 4wd - 2/11/2008 11:57:35 AM

Dusty

Posts: 182
Joined: 7/14/2006
Status: offline

well...if he's locking up his brakes in 4wd on snow and he's in 4 lock, this could cause the rear driveshaft to stop the rear axle sooner than the rear drums are (proportioning valve and such)...all just a theory though...

_____________________________

2005 Dodge Dakota CC 4X4 15.28@87.50
CAI, 3.90 gears, Electric fan conversion, True Dual, x pipe, Power wire, Fastman TB

1995 Dodge Neon 13.44@104.5 ALL MOTOR 2.0

1995 Neon Highline 14.24@98.1 Winter Beater

1995 Cadillac STS 13.76@103.5

(in reply to csu)

Post #: 12

RE: Braking on snow w/ 4wd - 2/11/2008 12:02:22 PM

Kohburn

Posts: 40
Joined: 2/6/2008
Status: offline

4wd does not affect theoretical braking limits -

however in practive 4wd and limited slip AWD does affect the braking dynamics on slick surfaces. it essentially keeps all 4 wheel moving at the same speed so you can not have one or 2 wheels lock up (usually in the rear on a pickup)
if one wheel slips that brake caliper and rotor are still spinning the same rate as the other wheels and thus there will always be the braking force of 4 calipers even if only 3 wheels are gripping. this does aid in braking ability on lose and unever surfaces. which is basicly everything except a racetrack and a physics notepad.

it DOES NOT give him better traction - but it does affect brake force distribution

< Message edited by Kohburn -- 2/11/2008 12:07:38 PM >

(in reply to Dusty)

Post #: 13

RE: Braking on snow w/ 4wd - 2/12/2008 5:00:00 PM

lghtngblt02

Posts: 1073
Joined: 1/4/2008
From: Mechanicsburg, Pa
Status: online

quote:

4wd does not affect theoretical braking limits -

however in practive 4wd and limited slip AWD does affect the braking dynamics on slick surfaces. it essentially keeps all 4 wheel moving at the same speed so you can not have one or 2 wheels lock up (usually in the rear on a pickup)
if one wheel slips that brake caliper and rotor are still spinning the same rate as the other wheels and thus there will always be the braking force of 4 calipers even if only 3 wheels are gripping. this does aid in braking ability on lose and unever surfaces. which is basicly everything except a racetrack and a physics notepad.

it DOES NOT give him better traction - but it does affect brake force distribution

I agree with ya on some things but, just a QUESTION, if you say 4-wheel drive doesn't give ya better traction then whats it do for ya then? Just curious, I know when my truck is in 4-wheel it hardly ever spins a wheel in the snow unless I stomp on it.

_____________________________

93 Dodge Dakota LE 2x4, 3.9L V6 Magnum
00 Ford Focus LX Sedan, 2.0L SPI

(in reply to Kohburn)

Post #: 14

RE: Braking on snow w/ 4wd - 2/13/2008 8:36:44 AM

Nicegy525

Posts: 304
Joined: 6/25/2007
Status: offline

the only braking advantage would be in 4X4 low but thats an engine braking situation... The guy sounds like an ignorant buffoon

(in reply to lghtngblt02)

Post #: 15

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