Is the Toyota Fortuner VGT and LSD equipped?

[OTEP]

Parang yun kasi ang sabi sa thread na ito. How a variable geometry turbo works

Anyone who has a Fortuner with the 3L D4D has a Variable Geometry turbo charger,

the 2.5L D4D engines, afaik, also have the Variable Geometry Turbo Charger

Local Fortuner has LSD? . Or is the poster referring to the Torsen center diff (not an actual axle mounted LSD).

Anyone tried 'testing' for an LSD? [lifting both rear tires, spin one, if the other spins in the same direction then it's LSD, if not it's an open diff]

Anyone care to shed some light? Thanks

[mbt]

walang rear LSD yung local Fortuner to my knowledge. he could be referring to the locking limited-slip center diff

[HIFI]

According to Top Gear Philippines, meron daw ang LOCAL Fortuner.

Sa Toyota PH Website it's not mentioned kung meron or wala. Other Toyota websites (e.g. Malaysia, Brunei...etc.), the Torsen LSD feature is heavily marketed na meron.

So, I'll take it....with a grain of salt.

http://pinoyfortuner.14.forumer.com/...e21947f166385c

[mbt]

i think the local Fortuner has a lockable Torsen center diff (which is effectively a limited-slip unit when unlocked), however, it does not have a limited-slip diff at the rear axle.

[OTEP]

A center diff is a device that allows a 4wd vehicle to operate on paved roads.

An axle mounted LSD is a traction aiding device for off-road use. A full locking rear diff is offered in some markets as well.

Local units have a Torsen LSD for the center diff. I'm not sure about the rear axle. I thought it was open all along.

How about the VGT?

[HIFI]

Ano yung VGT? Bagong variant?

Alam ko lang 3.0V, 2.7G and 2.5G.

[TallDoll]

VGT means "Variable Geometry Turbocharger" means that the blade of the turbocharger can be adjusted electronically based on the parameters of the unit like speed and acceleration.

[niky]

The Fortuner sure doesn't feel like it has a VGT. It's a very distinct feeling driving a VGT diesel, as it feels as linear as a non-turbo gas engine. There's still lag and ramp up on the Fortuner.

And the 2.5 DEFINITELY DOESN'T HAVE VGT. I've driven the 2.5 manual D4D on many occassions, and even with the manual tranny has a lot of lag that VGT engines don't possess.

Maybe that's for the 2007 Fortuner?

[mazdamazda]

AFAIK

For the Fortuner it has torsen-type diffs for the center & open-type diffs for both axles. It is not equipped with a "classical" LSD at the axles.

While for the gen2 Rav4 it uses a vicsous-coupling differential instead for the center & open-type diffs for both axles.

And NO... the 3.0L & 2.5L D4D engines here are not VGT equipped. Maybe for the European D4D engines (I know their 2.2L D4D engine pumps out more torque than the 3.0L D4D).

[numbah5]

oh yes the fortuner DOES have VGT at both the 3.0 and 2.5 variants. toyota calls it variable nozzle turbo or VNT. kahit low rpm rinig mo tunog ng turbo, that's one feature of VGT compared to non VGT turbos which maririnog mo turbo pag umabot na sa 2500 rpm...

[mazdamazda]

Euro Toyota 2.0L D4-D, 114hp 250Nm torque
Asian Toyota 2.5L D4-D, 102hp 260Nm torque

So... which one do you think has a working VNT? :evillaugh

Seems like that this VNT claim of TMPI is still stuck in the brochure of their vehicles.

And the 2.5 DEFINITELY DOESN'T HAVE VGT. I've driven the 2.5 manual D4D on many occassions, and even with the manual tranny has a lot of lag that VGT engines don't possess.

The Tucson is a clear example of this... no visible turbo lag whatsoever.

[niky]

That's why I'm sure. Drive a Hyundai/Kia CRDI with VGT back-to-back with a Toyota or Isuzu CRDI (or even the new Strada CRDI) and there's a world of difference in response.

Hmmph... TMPI... is this like the "140 hp " Corolla?

[mazdamazda]

Oist... correction... it is 145hp daw. :lol:

[cocoy]

is the fortuner full time 4WD? cause if it is then it would need a center differential.. which would then need a diff lock if you want the rear and the front diffs to work and the same speed..if its not full time 4WD,, why would you need a center diff when the 4wd system will jst engage when you shift the 4wd lever...

[numbah5]

i remember someone posted in another thread na sinadya talaga ng toyota na gawing 102 hp yung 2.5 D4D dahil sa quality ng diesel sa mga developing countries ng Asia....

[numbah5]

Variable geometry turbocharger
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The Variable geometry turbocharger (VGT) exists in several forms, usually designed to allow the effective A/R ratio of the turbo to be altered as the conditions change. This is done as the optimum A/R at low engine speeds is very different to the optimum at high engine speeds. If too large an A/R ratio is used, the turbo will fail to create boost until a relatively high engine speed. However, if too small an A/R ratio is used, the turbo will choke the engine at high speeds, leading to large exhaust manifold pressures, high pumping losses and ultimately lower power. By altering the geometry of the turbine housing as the engine accelerates, the turbo's A/R ratio can be maintained at its optimum. Because of this, VGT turbochargers have a minimal amount of lag, have a low boost threshold and are very efficient at higher engine speeds. In many setups these turbos don't even need a wastegate. This however depends on whether the fully open position is sufficiently open to allow boost to be controlled to the desired level at all times. Some VGT implementations have been known to over-boost if a wastegate is not fitted.

The most common implementation is a set of several aerodynamically-shaped vanes in the turbine housing near the turbine inlet. As these vanes move, the area between the tips of them change, thereby leading to a variable A/R ratio. Usually, the vanes are controlled by a membrane actuator identical to the one on a wastegate, although electric servo actuated vanes are becoming more common.

The first production car to use these turbos was the limited-production 1989 Shelby CSX-VNT, equipped with a 2.2L petrol engine. The Shelby CSX-VNT utilised a turbo from Garrett, called the VNT-25 because it uses the same compressor and shaft as the more common Garrett T-25. This type of turbine is called a Variable Nozzle Turbine (VNT). Turbocharger manufacturer Aerocharger uses the term 'Variable Area Turbine Nozzle' (VATN) to describe this type of turbine nozzle. Other common terms include Variable Turbine Geometry (VTG), Variable Geometry Turbo (VGT) and Variable Vane Turbine (VVT).

The 2006 Porsche 911 Turbo has a twin turbocharged 3.6-litre flat six, and the turbos used are BorgWarner's Variable Turbine Geometry (VTGs). This is significant because although VGTs have been used on advanced turbo diesel engines for a few years and on the Shelby CSX-VNT, this is the first time the technology has been implemented on a high production petrol car (only 500 Shelby CSX-VNTs were ever produced). Exhaust temperatures in petrol cars are much higher than in diesel cars and this normally has adverse effects on the delicate, moveable vanes of the turbo. BorgWarner engineers however have managed to combat this problem with the new 911 Turbo.

[OTEP]

Yes the Fortuner is full time. The center diff unlocks to allow for road use.

However, the Mitsubishi Pajero has a part time system but it has a center diff lock in case the owner wants to run it in full time mode (C/D unlocked).

[numbah5]

Toyota KD engine
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The Toyota KD engine series is a diesel engine, produced by Toyota, which appeared in 2006.

[edit] 1KD-FTV

First appeared in the 2000, the 1KD-FTV is one of the newest engines build by Toyota. 1KD-FTV a 3.0L (2982cc) straight-4 common rail variable nozzle turbo coupled with a 32-bit ECU and Multi Pilot Injection System, diesel engine Turbo diesel engine with an Intercooler. It has 16 valves and a DOHC (double overhead camshaft). Bore is 96 mm and stroke is 103 mm. It powers 170 hp(125 kW) at 3400 rpm, and 253 ft·lbf (343 Nm) of torque at 1800-3400 rpm. Redline of this engine is at 4200 RPM. Compression ratio is 17.9:1. This engine uses D-4D electronic Common Rail (Common rail direct fuel injection ) technology, produces ultra high pressure, which is about 8 times more than the pressure of the normal fuel injection system. This combined with the 32-bit ECU which controls fuel quantity, valve-timing, and accurate pressure at different engine revolutions result in the most fuel economy and also in the full utilization of power, whether it is during taking off or during taking over, without having to drag the engine revolution to the maximum. Making the achievement with the fuel consumption 11% more effective compared to its predecessor 1KZ-TE engine thus 17% more powerful. Fuel consumption is also 12% more effective than the all new Toyota Hybrid engines. The Pilot Injection System helps smooth engine running like sitting in saloon cars. The noise level is only 49 decibels at the idle speed. The Pilot Injection System produces fuel injection in advance before the main injection starts working, reducing Ignition Lag Time and resulting in continuous and complete combustion. Noise from ignition is also reduced.

This engine was first used in Toyota Land Cruiser Prado and now used in the Toyota Fortuner and Toyota Hilux.

[edit] 2KD-FTV

The 2KD-FTV is the 2nd generation of the KD engine with a smaller 2.5L (2494 cc) straight-4 common rail variable nozzle turbo coupled with a 32-bit ECU and Multi Pilot Injection System, diesel engine. Like 1KD-FTV, it has 16 valves and is a DOHC engine. Bore is 92 mm and stroke is 93.8 mm. It powers 102 hp (75 kW) at 3600 rpm and 191.7 ft·lbf (267 Nm) of torque at 1600-2400 rpm. Redline of this engine is 4400 RPM. This engine also uses D-4D Common Rail (Common rail direct fuel injection ) technology. An intercooler will be introduced next year into this engine.

Used in Toyota Hilux, Toyota Fortuner, Toyota Innova and also in Toyota Hiace.

[vicoyski]

The simple answer to the question raised in the topic title is... Yes...

VGT/VNT - check
LSD - check

[niky]

Oh... okay, just looked at Toyota's website...

http://www.toyota.com.ph/showroom/fortuner/specs.html

Yup... Torsen LSD and Variable Nozzle turbines.

silly me! Sorry Fortunerclub boys!
...still doesn't feel much like it compared to Korean VGTs, but maybe it's just a matter of compressor mapping and nozzle design...

But still... 145 hp Corolla?

http://www.toyota.com.ph/showroom/co...sia/specs.html

Hindi lang 145 ps, ha... 147 ps pa daw siya! Celica motor na yata yun! By the bye... the "base" 145 hp Celica motor requires 6500 rpm to get 145 hp, whereas Toyota Philippines quotes 145 hp at 6000 rpm... oh well... here's an excellent site with dyno tests for the two engines... you decide... Corolla Celica

Hehe... hey, mbt, may Toyota dealership ba sa Fort? Puwede kaya ipa-dyno test ang Corolla sa Autotechnika?