As for I - VTEC, it is basically a way to modify the camshaft profile so that it lifts the valves higher than normal, allowing more air into and
out of the engine per stroke.
Not exact matches
The
engine creates thrust by accelerating xenon ions — atoms stripped
of one or more electrons, giving them a positive charge — through the negatively charged grid and spewing them
out the back
of the ship at 4,000 miles
per hour.
This superefficient aircraft travels slower than a moped, averaging just 50 kilometers
per hour on most trips, with its four electrical
engines capable
of putting
out the maximum 10 - horsepower each, solely for takeoff and landing.
Its 985 - cc SOHC four - cylinder
engine put
out 68 horsepower — a little more than 1 horsepower
per cubic inch, which was the benchmark for American muscle cars
of the era.
With two valves
per cylinder the V8 is a sort
of time honoured, proven
engine rather than an ultra high - tech powerplant, but as we'll find
out that's not necessarily a bad thing.
With 75
per cent
of the intake sustaining the intercooler and the rest shuffling air to the turbo, the 1994cc
engine made 208bhp; Prodrive later teased
out 276bhp for the rabid P1.
The Toyota's
engine is responsive and fun to wring
out, shedding its industrial low - revs chunter for an unusual flat - four note that has the tone and pitch
of an old Impreza but played at 150
per cent speed.
With a specific output
of 160bhp
per litre, this could Citroen's most powerful road car ever produced, squeezing 50bhp more
out of the
engine than Mini have managed with the Cooper JCW.
22,093 miles Warranty 4 - yr / 50, 000 - mi bumper - to - bumper 4 - yr / 50, 000 - mi powertrain 4 - yr / 50, 000 - mi roadside assistance 6 - yr / unlimited mileage corrosion perforation Scheduled Maintenance 13,000 mi:
Engine oil / filter change, cabin pollen filter, inspection, $ 318.07 Warranty Repairs None Recalls Powertrain control module software update, license plate lights
Out -
Of - Pocket 5,200 mi: Two new splash shields, rear molding trim $ 0 13,000 mi: Four - wheel alignment $ 175.00 Fuel Consumption: EPA city / highway / combined: 20/26/22 mpg Observed: 22.1 mpg Cost
Per Mile Fuel, service: $ 0.16 ($ 1.47 including depreciation) Trade - In Value $ 39,300 * Estimate based on information from Intellichoice
At least I had something to show for my money, because after all the effort and expense
of extracting the
engine, it turned
out that the clutch was only 50
per cent worn and didn't really need doing...
As
per the picture below, coolant is oozing
out of the front
of the
engine, above the water pump (replaced last fall) and below the thermostat.
The improved flow
of air / fuel into and
out of the
engine improves operation virtually to the level
of a four - valve -
per - cylinder design but with somewhat less complexity and cost.
* Capable
of 50 - plus miles
per gallon; cabin remains quiet even when the gasoline
engine is engaged; easy to see
out of and maneuver around town; offers a complete package
of high - tech active safety equipment.
The newer
engines come with all
of the bells and whistles to give you a chance at more miles
per gallon while putting
out fewer emissions and fewer trips to the garage for costly repairs.
The MINI has its own base trim and the
engine puts
out a horsepower rating
of up to 134 horsepower while running on 4,400 wheel revolutions
per minute.
Horsepower
of 165 to 170 might not sound like much to anyone who hung
out at the drive - in in the»60s, and the 22 mile -
per - gallon EPA city fuel efficiency available from this small
engine won't impress vets
of the oil embargo.
If the growl or fuel consumption
of a big V - 8 isn't to the buyer's liking, the supercharged Toyota MR2 wrings 145 horsepower
out of a small 1.6 - liter four - cylinder
engine and has an EPA - rated city fuel efficiency
of 23 miles
per gallon.
The twin turbo V6
engine puts
out 362 horsepower, plenty to push the speedometer needle to 150 kilometers
per hour, then 160, and quickly to 170 before we settled in with the flow
of traffic at 180.
The
engine wizards at Mercedes AMG went completely bonkers with the new CLA 45 model, pumping
out 177 - hp
per liter
of displacement.
With 755 horsepower the 2019 Chevrolet Corvette zr1 is the most powerful Corvette ever it's also the most technologically advanced behind me are the rolling s's at Road Atlanta and we're here to see if we can reach to the supercar levels
of performance afforded by this thing's massive power big tires and the tall wing on the back after that we'll take to the streets to see if a car this powerful can behave itself in public this is a monster
of a car I've had some brief track opportunities moving this morning to get used to the pace
of this machine which is phenomenal we're gonna warm up as we get
out to the road Atlanta and sort
of build up to the pace that this car can operate at now initially when you hop in this car you have this shrine to the
engine right above you you see the line
of the hood it kind
of dominates the center
of the view you can see over it it doesn't affect visibility but it's immediately obvious and that kind
of speaks to what makes this car special it's a monster
of an
engine listen to that [Music] that is tremendous tremendous acceleration and incredible power but what I finding so far my brief time here at the Atlanta is that everything else in the car is rut has risen to match hurt me while I lay into it on the back straight look you know 150 mile - an - hour indicated we're going to ease up a little bit on it because I need to focus on talking rather than driving but like I was saying the attributes
of the rest
of the car the steering the braking capability the grip every system
of this car is riding to the same level
of the power and I think that's what makes it really impressive initially this is undoubtedly a mega mega fast car but it's one that doesn't terrify you with its performance potential there's a level
of electronic sophistication that is unparalleled at this price point but it's hard not to get you know totally slipped away by the power
of this
engine so that's why I keep coming back to it this car has an electronically controlled limited slip differential it has shocks filled with magnetically responsive fluid that can react faster to inputs and everything this car has a super sophisticated stability control system that teaches you how to drive it quick but also makes you go faster we haven't even gotten into exploring it yet because the limits
of this car are so high that frankly it takes a while to grow into it but [Music] I think what's impressive about this car is despite how fast it is it is approachable you can buy this car to track dates with it and grow with it as a driver and as an owner I think that's a really special [Music] because you will never be more talented than this car is fast ever unless you are a racing driver casually grazing under 50 miles an hour on this straight okay I'm just going to enjoy driving this now [Music][Applause][Music] this particular Corvette zr1 comes with the cars track performance package a lot
of those changes happen underneath the sheet metal but one
of the big differences that is immediately obvious is this giant carbon fiber wing now the way this thing is mounted is actually into the structure
of the vehicle and it makes you know loading the rear hatch a bit more difficult but we're assuming that's okay if you're looking for the track performance this thing delivers also giving you that performance are these Michelin Pilot Sport cup tires which are basically track oriented tires that you can drive on the street but as we wake our way to the front
of the thing what really matters is what's under the hood that's right there's actually a hole in the hood
of this thing and that's because this
engine is so tall it's tall because it has a larger supercharger and a bunch
of added cooling on it to help it you know keep at the right temperature the supercharger is way larger than the one on the zo six and it has a more cooling capacity and the downside is it's taller so it pops literally through the hood the cool thing is from the top you can actually see this shake when you're looking at it from you know a camera from the top
of the vehicle this all makes for 755 horsepower making this the most powerful Corvette ever now what's important about that is this not just the power but likewise everything in the car has to be built to accommodate and be able to drive to the level
of speed this thing can develop that's why you had the massive cooling so I had the aerodynamics and that's why I had the electronic sophistication inside [Applause] we had a lot
of time to take this car on the track yesterday and I've had the night to think about things Matt today two crews on the road and see how this extreme performance machine deals with the sort
of more civil minded stuff
of street driving the track impressions remain this thing is unquestionably one
of the most capable cars you can get from a dealer these days a lot
of that's besides the point now because we're on the street we have speed limits they have the ever - present threat
of law enforcement around every corner so the question is what does this car feel like in public when you slow this car down it feels like a more powerful Corvette you don't get much tram lining from these big wheels though we as the front end doesn't want to follow grooves in the pavement it is louder it is a little firmer but it's certainly livable on a day to day basis that's surprising for a vehicle
of this capability normally these track oriented cars are so hardcore that you wouldn't want to drive them to the racetrack but let's face it you spend more time driving to the track than you do on the track and the fact that this thing works well in both disciplines is really impressive I can also dial everything back and cruise and not feel like I'm getting punished for driving a hardcore track machine that's a that's a really nice accomplishment that's something that you won't find in cars that are this fast and costs maybe double this much the
engine in this car dominates the entire experience you can't miss the
engine and the whole friend this car is sort
of a shrine to it the way it pops
out of the hood the way it's covered with coolers around the sides it is the experience
of this car and that does make driving this thing special and also the fact that it doesn't look half bad either in fact I think it has some
of the coolest looking wheels currently available on a new car this car as we mentioned this car has the track package the track package on this car gives you what they call competition bucket seats which are a little wide for my tastes but I'm you know not the widest person in the world this automatic transmission works well I mean there's so much torque again
out of this
engine that it can be very smooth and almost imperceptible its clunky on occasion I think I'd might opt for the manual although Chevy tells me about 80 %
of its customers will go for the automatic I don't think they're gonna be disappointed and that's gonna be the faster transmission drag strip on the street - and on the racetrack man it was a little bit more satisfying to my taste though we've talked about the exhaust I have it set in the track setting let's quiet it down a little bit so you can hear the difference now I've set that separately from everything else so let's put it stealth what happened to the
engine sound that's pretty that's pretty amazing man stealth is really stealth and then go back to track Wow actually a really big difference that's that's pretty great the Corvette has always been a strong value proposition and nowhere is that more evident than this zr1 giving you a nearly unbeatable track performance
per dollar now the nice thing is on the road this doesn't feel like a ragged edge track machine either you could genuinely drive it every day the compromises are few and that's what makes this car so special if you like what you see keep it tuned right here and be sure to visit Edmunds.com [Music]
it features the manufacturer's first six - cylinder
engine — a whopping 6.3 - liter inline six that made 70 horsepower — and it maxed
out north
of 80 miles
per hour.
With an EPA fuel economy rating
of 39 mpg city, the luxury sedan features a 1.5 - liter four - cylinder
engine under the hood with an integrated motor - assist electric motor as well as a continuously variable transmission, and puts
out 111 hp and 127 lb
per foot
of torque.
However, while the 2.5 - liter
engine features good low - end torque and off - the - line responsiveness, it seems to run
out of steam near the upper reaches
of the revolutions -
per - minute range, seemingly precluding any real «sport» benefit from the Sport mode.
In addition to its optional 1.4 - liter, turbocharged four - cylinder
engine that delivers 138 horsepower and 38 - mpg on the highway, the Chevrolet Cruze can also be had in a turbodiesel edition that squeezes
out 46 highway miles
per gallon alongside 151 horsepower and 264 lb - ft
of torque from a 2.0 - liter mill.
It even spews
out a bit
of a growl doing it — the sound
of an
engine that only gets 22 miles
per gallon in town.
This
engine is capable
of cranking
out 250 horsepower and 260 pounds - feet
of torque, and engineers even managed to maintain optimal fuel efficiency at 33 highway miles
per gallon.
Thanks to a new 4,499 cc V8
engine, which punches
out 570 CV, the F1 dual - clutch gearbox and a 1,380 kg dry weight, the 458 Italia boasts an extraordinary weight - power ratio
of 2.42 kg (a power - weight ratio
of 413 CV
per ton).
Similarly, the 6 - liter V - 12 uses four valves
per cylinder, but lacks variable valve timing, which would wring more efficiency
out of the
engine.
Speaking
of the
engine, it's a trusty old 1.0 - litre unit that remains as refined as ever and has been tuned to deliver 24 kmpl, which is 15
per cent more than the claimed figure
out the regular Alto.
Promises
of «more than 316bhp» have been kept, with the new RS Ford actually getting 10
per cent more power that the Mustang with the same
engine — a full 345bhp and 347lb / ft
of torque, almost exactly the same power as the run -
out RS 500
of the last generation Focus RS had.
The base
engine is a 2.5 - liter four - cylinder
engine kicking
out an impressive 170 horsepower and capable
of hitting an EPA - estimated 33 miles
per gallon on the highway.
Dynamic Bentley driving experience - ZF 6HP28 transmission with «Quickshift» system that cuts shift times by 50
per cent and enables double downshifts - New 40:60 rear - biased torque split for the all - wheel drive system reduces understeer when powering
out of bends and provides for better modulation
of line and attitude by «throttle steering» - Increased front and rear track improves grip and stability - Advanced ESC system fully exploits the potential
of the more powerful W12
engine and improved chassis - 20» and (optional) 21» wheels
The heart
of both cars is the superlative, Japanese - made, 1.6 - liter, 16 - valve
engine, which spins eagerly and pops
out 102 horsepower economically, getting more than 30 miles
per gallon.
All except the NSX
engines are above the 100 bhp
per litre mark and the latest iteration
of the K20A
engine punches
out 225 bhp which is 112.5 bhp
per litre, quite a remarkable feat for a normal aspirated
engine until one realizes the S2000 has 125 bhp
per litre.
With the high - tech
engine, smart TouchShift transmission and state -
of - the art aerodynamics, the new S600 can reach 60 miles
per hour in less than 4.5 seconds, quicker than many
out - and -
out sports cars.
It's a 2.7 - liter EcoBoost V6 twin - turbocharged direct injection
engine paired with a six - speed SelectShift automatic transmission with paddle activation that can pump
out 315 horsepower and 350 pound - feet
of torque while getting 17 city miles
per gallon and 24 highway miles
per gallon.
The 1.5 - litre three - cylinder Ecoboost
engine in the new Fiesta ST generates 131bhp
per litre, so getting 150bhp or 160bhp
per litre
out of the Focus ST's four - pot
engine should be within Ford's reach with this suite
of technologies.
Powertrain vital statistics show 147kW at 7100rpm and 215Nm at 5400rpm, but
out in the real world the
engine doesn't deliver much sizzle below 4500rpm, despite Renault's claims that 95
per cent
of its peak torque hits at 3000rpm.
• Revised ZF 6HP26 transmission with «Quickshift» system that cuts shift times by 50 % and enables double downshifts • New 40/60 rear - biased torque split for the all - wheel drive system reduces understeer when powering
out of bends and provides for better modulation
of line and attitude by «throttle steering» • Retuned Continuous Damping Control (CDC) system, stiffer suspension bushes and uprated rear anti-roll bar benefit body control, steering response, turn - in and balance • Increased 50 mm rear track improves grip and stability • Lightweight, 20 - inch, 10 - spoke alloy wheels offer 10 kg (22 lb) weight saving
per car, reducing unsprung and rotating mass and improving brake • 275/35 ZR20 Pirelli Ultra High Performance tyres • Advanced ESP system fully exploits potential
of the most powerful W12
engine and improved chassis • Standard - fit carbon - ceramic brakes provide fade - free braking and contribute a 20 kg (44 lb) reduction in rotating and unsprung mass from the front axle.
Only the end -
of - stage apocalypse showcase gives the
engine pause, where performance dips down 30
per cent to level
out at 40 fps.
While the Volt will go up to 40 miles in electric mode, the
engine doesn't drive the wheels, and the Volt only gets 36 miles
per gallon when it runs
out of battery — while the Prius Plug - In gets 50 MPG.
An internal combustion
engine (ICE) vehicle will emit roughly the same level
of carbon - emissions -
per - mile throughout its many decades
of life; the only chance for improvement is when it finally wears
out and is replaced by a new car.
We're happy to add the Loremo to this list; first spotted last year, the diminutive, diesel -
engined car sips fuel to the tune
of 2 liters
per 100 km, roughly equivalent to about 120 miles
per gallon, turned up live and in living color at the recent Frankfurt Auto Show — check
out the Flickr photostream for more pics
of the show, and hit the jump for more info and more pics.
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