In order to ensure fuel system performance during low speed operation as well as under the extreme performance requirements
of wide open throttle (WOT), a dual pressure fuel system was developed.
In this episode
of Wide Open Throttle, the panel discusses the AMS Alpha 12 Nissan GT - R.
Get ready for «classic» versions of your favorite original shows including Ignition, Head 2 Head, The J - Turn, Epic Drives and two special editions
of Wide Open Throttle coming to you live from the Infiniti Performance Pavilion at the Pebble Beach Concours d'Elegance.
If you can't get enough of exotics, then you'll love this episode
of Wide Open Throttle.
Not exact matches
I'm roaring toward my next birthday with the
throttle wide open, secure in knowing how well I'm going to be able to take care
of my body... because I learned a secret a few years ago, and I'm really bad at keeping secrets that might affect other people positively as much as this one affected me!
The
Wide Open Throttle regulars
of Angus MacKenzie, Jonny Lieberman and Carlos Lago were joined again this week by the stars
of Roadkill and Hot Rod Unlimited, David Freiburger and Mike Finnegan to add their hands - on performance perspective to the conversation.
This leads us to your original question, the fact
of whether stabbing the pedal to
wide open throttle (WOT) with no load on the engine will cause problems for the engine.
The pilot jet typically can deliver no more than 15 %
of the overall fuel when the
throttle is
wide open.
It makes 240 horsepower and 258 pound - feet
of torque from 1500 to 4000 rpm, though a 10 - second overboost produces 280 pound - feet after
wide -
open throttle gear changes.
If I look at
wide open throttle (atmospheric pressure
of 101.c kPa) on a below freezing day
of say -5 * C then the number jumps way up to 22kV + 2kV giving about 24kV.
When you want a little more control, the paddle - shift option is as entertaining and as responsive as an automatic
of this nature can be (Chevy claims
wide -
open -
throttle upshifts are faster than Porsche's PDK), and I had great fun scaring various family members with stoplight launches and on - ramp romps.
The Z06's eight - speed is nine pounds lighter than the six - speed automatic in the Stingray thanks to the use
of aluminum and magnesium, and Chevy claims that it can crack off shifts under
wide -
open throttle quicker than the PDK dual - clutch automatic in the Porsche 911.
Spectators run into a driveway and it's only after Ago's Leap that he finally has everything back under control and the
throttle wide open again with just 36 miles
of the lap left... It has to be one
of the greatest saves
of all time.
GM touted the lengths it's gone to make the four - banger feel refined; for the most part, it does feel smooth, although the engine tends to drone during long stretches
of wide -
open throttle.
The IVT has a chain - type belt instead
of push belt for a promised smoother, step - shift - like acceleration during
wide -
open throttle.
There is a fair amount
of torque steer under
wide -
open throttle, and the turning radius is just slightly less than that
of a school bus, but it handles and accelerates well.
For a four - cylinder, the engine doesn't sound half bad at
wide -
open throttle, and it's fairly fuel - efficient, netting EPA ratings
of 23 miles per gallon in the city and 30 mpg on the highway.
Wide -
open throttle upshifts are executed up to eight - hundredths
of a second quicker than those
of the dual - clutch transmission offered in the Porsche 911.
Right out
of the box, arm the C7's launch - control via the center - console - mounted Drive Mode Selector, disengage the clutch and hold the
throttle wide open.
Countering the heft
of better quality interior materials is a new titanium exhaust that's quieter at low speeds but still bellows a merry tune at
wide open throttle.
Seven rotations later, I'm still smirking as the V8 howls at
wide -
open -
throttle, and surprisingly the brakes show no signs
of fade.
In addition to, or instead
of shutting down the engine during coast down they could just shut fuel off, de-clutch the torque converter (they already do both) and
open the
throttle wide to reduce engine braking.
If you get a bit complacent during
wide -
open -
throttle upshifts, you'll meet a brick wall
of a rev limiter that bogs you down until revs return to the green zone.
Achieving all these attributes was no easy task, and Roush says the new Phase 1 TVS R2650 supercharger «spent hundreds
of hours atop our engine dyno,» undergoing «well over 17 million
wide -
open -
throttle cycles.»
Moving to the 5.6 - liter V8 increases output to 420 horsepower and turns the Q70 into a sleeper sedan capable
of delivering startling quick response when the
throttle's kicked
wide open.
Sometimes claims like that make you wonder, but in this case the sound backs up the claim; the SVR Range Rover Sport emits a harder edged bark pretty much everywhere in the rev range, but never more so than under full
throttle at over 3700rpm, with its baffles
opened wide so that it can be heard from many hundreds
of yards away.
A new Gen II transmission controller analyzes and executes commands 160 times per second, and
wide -
open throttle upshifts are executed up to eight - hundredths
of a second quicker than those
of the dual - clutch transmission offered in the Porsche 911.
In the 2015 Corvette Stingray, the new 8 - speed enables a class - leading 29 - mpg (8.1 l / 100 km) EPA highway estimate — a 3.5 % increase in fuel economy over the previous six - speed automatic — and a quicker 0 - 60 time
of 3.7 seconds, all while delivering
wide -
open -
throttle upshifts quicker than those
of the dual - clutch transmission offered in the Porsche 911.
However the 4.2 Inline is one
of the most durable engines made by any manufacturer ever and during testing 5
of these engines were run at
Wide Open Throttle for 300,000 miles.
With the
throttle wide open there was a bit
of a burp from the exhaust on upshifts.
Amidst the frantic blare
of a flat - six at
wide open throttle, it takes every ounce
of willpower to not flail our arms in glee.
The use
of Atkinson cycle, too, reduces the V6's fuel appetite, particularly in cold climates or during
wide -
open throttle (WOT) situations.
Maybe the thrust
of the engine at
wide -
open throttle.
I drove continually in sport mode, not only because the cluster changed to a racy tachometer and a
wide -
open throttle gauge, showing how much my foot was buried on the gas, but also because it's only in sport mode that all 170 pound - feet
of torque are available in every gear.