The six - speed automatic gearbox is also well tuned with well
timed upshifts, and it cracks off snappy downshifts when you need to merge onto the expressway or make passes.
It has to do with how long to hold onto the gear you're in through fast corners and at high or low revs, how to
time upshifts and downshifts, and how to best manage the power and torque flow.
SynchroRev Match doesn't do much to help the 3.7 - liter V - 6's tendency to float its revs, so waiting for the tachometer's needle to drop for a perfectly
timed upshift will still take a beat or two longer than a downshift.
Not exact matches
«You can not be slow braking, fast, slow braking, fast, all the
time, in such a long straight, with people actually thinking we are going, suddenly
upshifting and suddenly braking again.
«We're racing against the [Porsche] Cup cars, who have an edge on ultimate pace because they've got a sequential dog «box so they lose so little
time in
upshifts, where as we have the gearbox from the street car.
Those shift
times are cut by 30 percent on
upshifts and 40 percent on downshifts.
Upshifting out of a corner with a manual is done all the
time.
We shifted the 2014 Porsche Cayman in fourth gear halfway down the runway, and it stayed in fourth gear until just before the finish line when we had to
upshift one last
time.
Full - throttle takeoff is not entirely smoke - free, but wheelspin can be easily controlled, and the almost immediate first
upshift consolidates the coupe's composure, so by the
time you're in third, traction is — at least in the dry — no longer an issue.
Quite apart from its V12 engine and seven - speed dual clutch gearbox (which has shorter, closer stacked ratios than the F12, with 30 per cent faster
upshift times and 40 per cent quicker downshifts) there is a wealth of new electronic wizardry employed to help it bend the space /
time continuum.
Full - throttle
upshifts are over and done in 60 milliseconds; and downshifts are now complete in only a quarter of the
time they used to require.
The shooter (pro spy photographer Brian Williams) captured the car taking off from a stop several
times, and each
time the transmission
upshifts through second and third gear very quickly — too quick to be a manual.
More satisfying, if puerile, is the pop accompanying each full - bore
upshift, and it's cacophonous at other
times too.
One ill -
timed mid-corner
upshift invariably dents the flight path; one missed apex is all it takes to make it run ludicrously wide.
Upshifts are smooth and well -
timed, and highway kickdown happens with little delay.
The SVR completes the sprint 0.5 seconds faster than the 510 - hp Sport Supercharged, courtesy of a retuned Bosch engine computer allowing more immediate throttle response, heightened supercharger boost pressure, and a revised ZF eight - speed automatic transmission, with
upshift times reduce by up to 50 percent.
The basics statistics are that power from the 6.3 - litre V12 is up to 769bhp at 8500rpm (from 730bhp) and 520 lb ft at 6750rpm (from 509 lb ft), the 7 - speed dual clutch transmission cuts shift
time by 30 - percent on
upshifts and 40 - percent on downshifts and the gear ratios themselves are shorter by 6 - percent.
Like Jen, I had a hard
time perfecting my 1 - 2
upshifts.
It's a sign of the
times when you're surprised to find a gearlever protruding from the transmission tunnel of a newly introduced car, but when you nail the perfect redline
upshift or execute a sweet series of heel - and - toe downshifts - accompanied by an approving gargle from the V8's twin exhausts — the simple, enduring pleasures of a manual gearbox are made abundantly clear.
There's supposedly a new cylinder cut on
upshifts when you're in Sport mode, but sadly I couldn't really detect the added drama it was meant to add and although overall it's not a bad sound being piped into the cabin, you won't lie awake at night longing for the next
time you hear it.
Upshifts need to be precise and punchy to mitigate the loss of revs — and therefore boost — as you find the next gear, while braking and downshifting is your chance to exercise old - school skills, modulating your brake pressure and positioning your right foot just - so to allow well -
timed blips of throttle.
The Toyota four's two - stage cams go into banshee power mode at about 6000 rpm, so first and second gears give only a split - second taste of the engine's full juice before it's
time to
upshift.
The automatic double - declutching function when downshifting as well as the brief, precisely defined interruption of ignition and injection when
upshifting under full load shorten shifting
times and increase emotional appeal when adopting a sporty driving style.
On the other hand, keep your foot pinned to the floor on
upshifts and the transmission becomes recalcitrant, lengthening shift
time and noticeably impeding your forward progress.
If sharper response
times and delayed
upshifts are required there is a sport mode and a manual gate.
Sometimes it'll jump into the right gear when you need it to, and other
times you'll push the pedal and it'll downshift, instead of
upshifting.
This is because together with optimised response and shift
times, the closer ratio spread ensures better transitions when
upshifting.
The double - clutch system can
upshift and downshift at random
times.
Kick down is not overly harsh or slow to arrive and
upshifts are
timed just right more often than not.
The 6 - speed automatic transmission is well -
timed with quick
upshifts that help make the most of that EcoBoost engine's power.
Also, unlike Sport mode, which gets the gearbox software to change up at the right
time, Corsa holds onto each gear until you manually
upshift.
A brief and exactly defined retardation of ignition and injection during
upshifting at full load provides for shorter shift
times here.
Rather than dropping quickly to a lower engine speed in preparation for an
upshift, the Si's engine holds its speed for a second or so before dropping, which makes
timing the clutch engagement for smooth shifting difficult.
We're not sure about the Tiptronic; it's fun to play with and fairly quick to react when the lever is bumped to change up or down, but we saw it
upshift (while in the manual «Tiptronic» mode) a few
times on its own well before redline.
Upshifts and downshifts are performed quickly enough, but in sport mode they're oddly
timed and surprisingly harsh, as if the gearbox suddenly began channeling the Mitsubishi Lancer Evolution MR while the rest of the car remained an Audi.
In Natural, the transmission is unobtrusive, downshifting at the right places and
upshifting at the correct
time.
The system ensures the best possible acceleration off the line in all conditions, and once under way, its
upshifts are
timed and performed at the optimal revs.
The Mercedes gearbox is respectable and efficiently routes the power to the rear wheels; the manual shift function cracks off quick
upshifts and downshifts that are OK, but a little clunky at
times.
It also makes for easy driving since the
upshifts are quicker and the engine runs smooth all the
time.
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, we noticed that the downshifts are noticeably slower than the
upshifts, which at
times makes the power output jerky, especially when making a quick overtake.
The automatic in my tester was acceptable, although it was prone to the occasional harsh
upshift and seemed momentarily flustered at
times — not sure what the driver wanted to do.
Upshifts from the nine - speed torque - converter automatic take longer to arrive, downshifts show up at the right
time with an almost preternatural ability and the engine has no problem pushing the car along with all that torque, since the car is generally sitting smack dab in the power band.
On the other hand, the Volvo's «Eco» mode offers the best possible efficiency since
upshifts are quicker with the engine running smoothly at any given
time.
This is when the AMT system struggles to both
upshift and garner speed at the same
time.
A third small LCD between and above the gauges shows the current gear, turning red when it's
time to
upshift.
On the other hand, keep your foot pinned to the floor on
upshifts and the transmission become recalcitrant, lengthening shift
time and noticeably impeding your forward progress.
There's also an available driver - selectable Sport mode that adds more weight to the power steering response and improves
upshift times.