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3wd ???

tyhuck

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tyhuck Senior Enthusiast

tyhuck

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Not at all. Going down a straight road with equal traction at all tires then you have an essentially even split to all four.

 

 

SO essentially, in situations where traction is limited and not equal to all wheels, the 4wd becomes useless?

 

Example: Im driving through mud and as I approach the end of the mud (or even sand) hole my rear axel (G80 engaged successfully) is spinning both rear wheels, and one of my front tires hits a slick spot and also begins to spin. The one tire on solid ground will never receive traction?

 

Seems like they could have put some sort of limited slip in it that wouldnt blow it up. Not a full locker, just something that will put a little more tension on the tire that grips to get you out of a sticky situation.

kstruckcountry Senior Enthusiast

kstruckcountry

Posted
Posted

I believe ARB makes a front locker for the GM front axles. Most people stay away from locking an IFS because it can damage front end components. Well it can damage a solid axle as well, but you get what I mean. Long story short, traction especially with big tires, breaks stuff.

tyhuck Senior Enthusiast

tyhuck

Posted
  • Author
Posted

I believe ARB makes a front locker for the GM front axles. Most people stay away from locking an IFS because it can damage front end components. Well it can damage a solid axle as well, but you get what I mean. Long story short, traction especially with big tires, breaks stuff.

 

 

I smell what you are steppin in. Thats why I havent, and wont do anything to the front diff. I was just saying that GM should develop a front diff that has some sort of limited slip, and build it to handle the extra stress without exploding internally.

 

Ive never been in a situation that my truck woudlt get out of on its own, and I dont really forsee getting into one where I currently use my truck. It was just a thought I had.

KMGZ400 Senior Enthusiast

KMGZ400

Posted
Posted

SO essentially, in situations where traction is limited and not equal to all wheels, the 4wd becomes useless?

 

Example: Im driving through mud and as I approach the end of the mud (or even sand) hole my rear axel (G80 engaged successfully) is spinning both rear wheels, and one of my front tires hits a slick spot and also begins to spin. The one tire on solid ground will never receive traction?

 

Seems like they could have put some sort of limited slip in it that wouldnt blow it up. Not a full locker, just something that will put a little more tension on the tire that grips to get you out of a sticky situation.

 

 

yes thats how it works, i cant imagine there is much ice in texas, but you can really play around with spinning the tires on ice, and get a good understanding on how it works.

 

having the G80 really does help in offroad situations, especially in 2WD

tyhuck Senior Enthusiast

tyhuck

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Well, it depends on what part of Texas you are from. Im kinda on the line where ice can become a problem, but most of my 4wd use is in mud or sand.

MikeNH Senior Enthusiast

MikeNH

Posted
Posted

 

SO essentially, in situations where traction is limited and not equal to all wheels, the 4wd becomes useless?

 

Example: Im driving through mud and as I approach the end of the mud (or even sand) hole my rear axel (G80 engaged successfully) is spinning both rear wheels, and one of my front tires hits a slick spot and also begins to spin. The one tire on solid ground will never receive traction?

 

Seems like they could have put some sort of limited slip in it that wouldnt blow it up. Not a full locker, just something that will put a little more tension on the tire that grips to get you out of a sticky situation.

 

Yep. Most manufactures steer clear of any kind of front diff traction aid for whatever reason.

 

 

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waumo1 Enthusiast

waumo1

Posted
Posted

If you don't have a rear locker or traction control, apply your parking brake a bit which should stop the spinning wheel and give the other some power. I used that technique a few times to get my old RWD Pontiac with an open differential traction on ice and snow.

 

Our Jeep SRT has open differentials. It uses traction control to apply the brake to the spinning wheel and regain power to the other wheel. It works well.

tyhuck Senior Enthusiast

tyhuck

Posted
  • Author
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Yep. Most manufactures steer clear of any kind of front diff traction aid for whatever reason.

 

 

Sent from my iPhone using Tapatalk

 

 

Yeah, I know Ford sells the majority of their 4wd trucks without a rear locker unless you specially order one. I think its their way of getting you to buy the FX4 package.

Chris Senior Enthusiast

Chris

Posted
Posted

Could an E or air locker in the front be beneficial? That way it only locks when you want it to lock such as being stuck

 

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Frogfish Enthusiast

Frogfish

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Could an E or air locker in the front be beneficial? That way it only locks when you want it to lock such as being stuck

 

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Lots of trail rigs that double duty as a DD have ARB air lockers in the front.

TimmyG Senior Enthusiast

TimmyG

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Posted

Gm wont add a locker based on price and 80% of the people wouldnt use it

 

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kstruckcountry Senior Enthusiast

kstruckcountry

Posted
Posted

The main issue on locking ifs is breaking components like tie rods and CVs. But believe me, I've thought about it many times. :lol:

If I get to build my GMT 400 beast it may get one.

 

4 Wheel Off Road's ultimate adventure truck was an IFS F150 in 2011, they built it up and put 40's on I think. Only issue they had was a mangled CV I think.

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