The VTTT featured a dash - mounted switch with three different engine settings including a very limited valet mode and two levels
of turbocharger boost (6 psi (0.41 bar) and 9 psi (0.62 bar)-RRB-.
In the latest Panamera 4S, the new V6 engine delivers 434bhp at 5650rpm and 405 lb ft of torque between 1750rpm and 5500rpm when running a relatively low 0.4 bar
of turbocharger boost pressure.
With direct injection, low - inertia high - flow mono scroll turbo system with electrical waste-gate and a maximum of 23.2 psi
of turbocharger boost, the Type R powerplant develops the horsepower and torque of a far larger, normally aspirated engine.
In a move that angered most of the hot - shoes, the USAC technical committee ruled that turbochargers on the Ford Cosworth V - 8 engines that have dominated the Speedway the past two years could run only 50 inches
of turbocharger boost compared to the 80 inches allowed last year.
Not exact matches
What we do know is that while both will have turbocharged 2.0 - liter inline - four engines, they will both get two
turbochargers instead
of one, and the RS will get an instant - torque electronic
boost system on top
of that.
The GTS uses larger
turbochargers and a little more
boost than the Carrera S, giving it an additional 30 horsepower and 37 lb - ft
of torque in comparison.
A dual - volute
turbocharger with electronic
boost control sourced from BorgWarner uniquely sends high - pressure exhaust gas through opposite sides
of the
turbocharger housing to spin the turbine.
For the 30th Anniversary Edition 2015 BMW M5, Munich decided to increase
turbocharger pressure and enhance the engine control module to
boost output to a nice, round 600 hp and 516 lb - ft
of torque (versus 502 lb - ft in a standard M5.)
It utilises variable - geometry, twin - scroll
turbochargers to
boost exhaust gases, and a separate electric supercharger to eliminate turbo lag - it's capable
of spooling up in 30 microseconds.
The
boost comes on smoothly, although you're always aware
of the
turbocharger's whoosh and hiss, not to mention a fruity exhaust note not unlike that
of the Fiat 500 Abarth.
Even though Gardner turned down the
turbocharger boost for a power output
of a little more than 300 hp, the C - HR R - Tuned is still a monster on the track.
Heavy modifications to more than triple the amount
of power include strengthened internal components like forged pistons and connecting rods, a new valve train and camshafts, and a high -
boost turbocharger.
This EA824 V - 8 uses a pair
of IHI twin - scroll
turbochargers running at peak
boost pressure
of 33.4 psi.
This awesome performance is accompanied by a spine - tingling soundtrack composed
of tires howling for mercy,
turbocharger vanes whining under full
boost pressure, and ABS / ESP chips snarling in despair.
It's based on the 3.8 - liter unit used in the 911 Turbo S but gets larger
turbochargers (with Porsche's variable turbine geometry) capable
of providing up to 22.5 psi
of boost.
Ram Trucks worked with engine supplier Cummins to program «more aggressive»
turbocharger boost and fuel injection patterns, pumping up the High Output diesel's torque output by 15 lb - ft, to a total
of 865 lb - ft at 1700 rpm.
A
turbocharger creates
boost (pressure) through the spinning
of a small turbine (pushed by exhaust gases) that shares a shaft with a similar - looking compressor, which delivers the extra air to the engine.
As you'd expect, with the help
of an electric motor and
turbochargers, the Turbo S E-Hybrid has a massive amount
of torque; the two motors endow it with 627 lb ft. With a
boost strategy taken from the 918 Spyder — even though that was a naturally aspirated, lightweight hypercar — the S E-Hybrid generates its peak torque at 1400rpm.
Other engineering highlights include the variable valve lift system, adjustable intake and exhaust camshafts, lightweight pistons with integrated cooling ducts, a forged steel crankshaft, and a mixed - flow
turbocharger operating at a peak
boost pressure
of 1.8 bar.
New
turbochargers sit in the heart
of the 4 - litre dry sump V8, increasing
boost pressure from 1.2 to 1.35 bar.
The 1995cc four - cylinder engine is largely unchanged, but thanks to a new injection system, a more sophisticated IAW P8 ECU and an increase in
boost for the Garrett T3
turbocharger to more than 1bar, power is up from 215bhp to 237bhp at 6000rpm, with 236 lb ft
of torque between 2500 and 6000rpm.
The Veyron's quad - turbo, 8.0 - liter W - 16 engine will carry over, but
boost will increase and at least two
of the four
turbochargers will be electrically powered.
Both
of these new «Earth Dreams» engines will be
boosted by a low inertia
turbocharger that Honda claims will keep throttle response sharp, and a wider window
of usable torque will come thanks to the use
of Honda's latest direct injection technology.
There's still a 3.8 - litre, twin - turbocharged V6, but thanks to new ignition timing and more
boost from the
turbochargers it now develops 562bhp and 470 lb ft
of torque, up from 542bhp and 466 lb ft. Tamura points out Nissan's ethos
of «line management» - while more power is possible from the V6, the company is much more concerned about making its power accessible throughout the rev range.
The power increase - a 79bhp step over the standard car - is down to a pair
of higher - capacity
turbochargers and uprated intercooling, allowing the Supersports to run higher
boost.
The engine itself — a 2.3 - liter four - cylinder with direct injection, a
turbocharger that produces 15.5 psi
of boost, and peak output ratings
of 263 hp and 280 lb - ft
of torque — is unchanged.
Despite the enormous single
turbocharger,
boost initially builds according to your throttle input, then the whole car seems to make a great shrieking noise, a light flashes and you pull the paddle, as much out
of relief as any desire to see what happens in second, and your brain registers a dose
of back pain.
The performance increases are achieved by individual ignition timing control
of the cylinders and extra
boost from
turbochargers, Nissan says.
The standard Octavia's 2.0 - litre TSI engine has been comprehensively reworked and gets a massive Garrett G - 05
turbocharger with a twin blade billet cut compressor wheel capable
of delivering up to 28PSI
of boost.
Its engine was familiar — a 1397cc «Cleon» unit used widely throughout Renault's range — but
boosted by a
turbocharger, power output rose to 158bhp, making it the most powerful French car
of its day.
That is a maximal
boost pressure
of stock
turbochargers.
The 1JZ - GTE Gen 1 engine was equipped with two CT12A
turbochargers operating at a
boost pressure
of 10 psi (0.7 bar).
All
of these help produce a higher output
of 198 kW (265 hp) and with just a
turbocharger boost pressure controller, 230 kW (310 hp) is reliably attainable.
Porsche has ramped up the performance
of its second - generation Cayenne with the introduction
of a potent Turbo S model for 2013, the Cayenne range - topper runs a lightly modified version
of the standard Turbo's 4.8 - liter V8 gasoline engine — the same unit used by the Panamera Turbo S. Changes include a freer flowing inlet manifold for improved breathing, increased
turbocharger boost pressure and remapped electronics.
It uses a Garrett T3 / T04E
turbocharger and at a maximum
boost pressure
of 10 psi (0.7 bar), you'll get about 320 HP.
With a larger
turbocharger and 1.2 bar
of boost, it also provides the 911 Carrera S driven here with 414bhp at 6500rpm — 20bhp more and some 900rpm earlier in the range than with the earlier naturally aspirated 3.8 - litre unit.
In any
of these cases you can use more powerful
turbochargers, to do head porting, to increase the
boost pressure to the limit and get 1000 horsepower.
This
turbocharger will easily give you 400 + WHP at 15 psi (1 bar)
of boost pressure with the use
of E85 fuel.
Autocar speculates that the new engine could be an evolution
of the current tri-turbo 3.0 - liter diesel, with «a small electrically - driven
turbocharger to increase low - end
boost pressure and provide added punch.»
It uses direct injection and a low - inertia mono - scroll
turbocharger pumping out 16.5 psi
of boost.
Much like the rest
of the Drive - E engine range (which are all four - cylinders) a supercharger is used to give
boost when accelerating, while the
turbocharger kicks in when the airflow builds up at higher speeds.
An additional bank
of gauges above the center console displays
turbocharger boost pressure, oil temperature and oil pressure.
Ford engineers began with a state -
of - the - art engine and
turbocharger cooling system that
boosts efficiency enormously while contributing to quiet and clean operation.
Innovative engine -
Turbocharger matching to control trapped air mass through combination
of optimum
boost pressure and valve opening strategies.
The 7 - inch color TFT can display throttle input and brake input application in a graphic percentage format,
turbocharger boost in pounds per square inch (psi), lap time (intended for use on closed circuits), race - inspired Rev - limit indicators, and a graphical G - Force gauge that provides a representation
of acceleration, braking and cornering forces
The system also allows the installation
of an innovative electric supercharger for the CRDi engine, in addition to the conventional
turbocharger, which helps to
boost torque and engine response at low engine speeds.
So far, the Levante has been confirmed to bear a 3.0 - liter V - 6,
boosted by two
turbochargers to two levels
of tune — 345 horsepower for the base model Levante, and 424 horsepower for the Levante S. There's also a diesel, but we don't really care about that.
It continues through a single, twin - scroll
turbocharger with a whopping 26 pounds
of boost and an expansive air - to - liquid charge cooler, then spills out through 3 - inch downpipes on the headers.
The
turbochargers produce over 12 pounds
of boost.
Our only criticism, in fact, is the tiny display near the air conditioning controls that's fitted to all but the most basic
of Juke models — not only does its size and placement make it impossible to read at a glance when driving, but the information it can display (including, but not limited to,
turbocharger boost levels and a g - meter) will be irrelevant to almost all Nissan Juke buyers.