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Not all 4wd's are created equal

F

Ferocious

Diamond Member
I thought this might interest some folks here.

The Silverado 4x4 uses a locking differential, whereas the Tundra 4x4 uses a limited slip one.

click

 
As I've been saying on this board for quite some time, Tundra's may be "pretty", but they are not a real work truck. That glory still belongs to the Fords, Chevys, and Dodges.
 
Locking diffs are nothing new. But in the first minute I could tell there was more to the test than just the diff. A limited slip is generally the best for street use, but most off roaders use lockers. Those are nothing new. There's upsides and downsides to both as well as upsides to a fully open. There's upsides to a spool as well if you only do drag racing 🙂
 
why does the toyota get stuck? if its 4wd, should the front wheels pull it free when the rear wheel(s) have no traction?
 
That was 4wd? Looked to me like the rears were doign all the work.

Also, why did the tundra get stuck on the ramp thingy. Shouldn't the differential sense the wheel spinning and distribute the torque to the wheel that has traction?
 

The Toyota was in 2WD for certain, it looks like the Chevy was in 2WD as well. So it's only a test of RWD with limited slip vs RWD with a locking diff, in a situation that should be driven with the 4WD engaged anyway.
 
Originally posted by: thecoolnessrune
As I've been saying on this board for quite some time, Tundra's may be "pretty", but they are not a real work truck. That glory still belongs to the Fords, Chevys, and Dodges.
Click to expand...

 
Title should read not all 2WDs are created equal...

Also this video was shot by Eaton marketing to promote the locker they sell. I'm not sure anyone would use 2WD in any of those low speed adverse terrain situations.

The Toyota uses limited slip so it's got better performance for the street in 4WD while still being able to tackle the terrain in 4wd.

I like it, hoe it looks, the fact that it's as much a domestic as a Ford Explorer(80%US, 10% Japan, 10% other) parts, it's the absolute quickest 1/4 ton truck in America, excluding the SRT10 and Lightening which aren't able to be used as real work trucks.
 
yeah they were both in 2wd. they were just testing out the rear differentials. both would've walked through that in 4wd with no problems. toyota probably did not offer a locking rear differential because not many owners would take it offroad in situations that required it. plus you wouldn't be able to use it in the street, that's where the LSD shines especially with a torquey engine like the 5.7. to the guy that said the tundra is not a real work truck, get a clue. the new tundra outpulls all of them. it's almost a 3/4 ton class truck competing with the 1/2 tons.
 
Originally posted by: thecoolnessrune
As I've been saying on this board for quite some time, Tundra's may be "pretty", but they are not a real work truck. That glory still belongs to the Fords, Chevys, and Dodges.
Click to expand...

my 04 Tacoma has a rear diff lock and I know you can get it for the Tundra. What's with the hate?
 


The problem with the Toyota isn't the differential. You can see that it limits slip enough that both rear tires slip. That means the LSD is working perfectly but the tires lose traction. Yeah, a manual locker is the best, but this is staged nonsense.
 
Originally posted by: mwmorph
Title should read not all 2WDs are created equal...

Also this video was shot by Eaton marketing to promote the locker they sell. I'm not sure anyone would use 2WD in any of those low speed adverse terrain situations.

The Toyota uses limited slip so it's got better performance for the street in 4WD while still being able to tackle the terrain in 4wd.

I like it, hoe it looks, the fact that it's as much a domestic as a Ford Explorer(80%US, 10% Japan, 10% other) parts, it's the absolute quickest 1/4 ton truck in America, excluding the SRT10 and Lightening which aren't able to be used as real work trucks.
Click to expand...

The best on the street is an open diff with a manual locker. A LSD is just a differential with clutches to restrict differential action. Those clutches wear out eventually.
 
Originally posted by: woodie1
Originally posted by: zoiks
Originally posted by: dug777
Both the Op, and that, are silly.
Click to expand...

Toyota sucks giant ostrich eggs.
Click to expand...

Yes. That explains why they and GM are locked in a battle for largest car manufacturer.
Click to expand...
Toyota's got a long way to go to catch GM. They are still neck-and-neck with Ford for #2.
They haven't put Ford in their rearview mirror, yet.
 
Originally posted by: d33pt
yeah they were both in 2wd. they were just testing out the rear differentials. both would've walked through that in 4wd with no problems. toyota probably did not offer a locking rear differential because not many owners would take it offroad in situations that required it. plus you wouldn't be able to use it in the street, that's where the LSD shines especially with a torquey engine like the 5.7. to the guy that said the tundra is not a real work truck, get a clue. the new tundra outpulls all of them. it's almost a 3/4 ton class truck competing with the 1/2 tons.
Click to expand...

Agreed. :thumbsup:
 
Originally posted by: d33pt
yeah they were both in 2wd. they were just testing out the rear differentials. both would've walked through that in 4wd with no problems. toyota probably did not offer a locking rear differential because not many owners would take it offroad in situations that required it. plus you wouldn't be able to use it in the street, that's where the LSD shines especially with a torquey engine like the 5.7. to the guy that said the tundra is not a real work truck, get a clue. the new tundra outpulls all of them. it's almost a 3/4 ton class truck competing with the 1/2 tons.
Click to expand...

Hahahaha, If you mean the toyota claim of pulling 10,00lbs. Ha, they're adding the weight of the truck in that 10,000lb claim.

I'll take my Chevy that doesn't have cam shafts that sheer lobes off, or a tailgate that doesn't separate under normal use of loading an ATV, Improperly heat treated rear drive shafts in 4x4's, transmission failures and several other issues. Text
 
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