Sentences with phrase «engine at higher rpm»

The inertia effect greatly enhances cylinder filling efficiency and the torque produced by the engine at higher rpm.
However, don't expect much from this engine at higher rpm.
Here, it gladly holds the engine at higher rpm and kicks down more readily when you jab the accelerator.
These CVTs are smooth in operation, but there is still a tendency for them to feel a bit elastic in acceleration or hold the engine at a high rpm in steady state cruising, a condition called» motorboating».
For instance, in drag racing, the automatic transmission allows the car to stop with the engine at a high rpm (the «stall speed») to allow for a very quick launch when the brakes are released.
Although this mode works well at moderate throttle inputs, anything more and the CVT gearbox merely holds the engine at high rpm.

Not exact matches

The primary power source for the Patriot is a twin spool gas turbine like those found in jet engines, which runs at 100 000 revolutions per minute in its high - speed stage, and 50 000 rpm in its low - speed stage.
The transmission emulates a traditional automatic, «shifting» so the engine doesn't linger at high rpm with the rubber - band acceleration sensation we detested in older Subaru CVTs.
Slip the pistol - grip shifter into fifth or even fourth gear at 70 mph and the reward is high - rpm fun as the 6.4 - liter engine blares from the large dual exhausts.
It also makes more torque than the old four - cylinder at any given rpm, is quieter and smoother, and pulls more strongly at high engine speeds.
Reggiani went into detail about the engine choice, too: «When we made a product profile, we recognised that talking about an SUV — a car that must be able to go offroad, or go in a situation where you have asphalt that's not flat — it was more and more fundamental to have high level of torque at low rpm.
The question is do you prefer to have the HP when the engine is at screaming high RPM or do you prefer to have it when the engine is running at more moderate RPMs.
It will be offered with 16 - or 17 - inch wheels, and replaces the current Optima Hybrid's 2.4 - liter gas direct - injection engine with a 2.0 - liter gas - direct injection four with a high - voltage electric oil pump, rated 154 horsepower at 6,000 rpm and 139 pound - feet at 4,000 rpm.
The RPMs are higher in the cold because engines are pretty inefficient at cold temperatures.
Also the problem is worse with a warm engine / transmission than when it is cold, presumably because at higher temperatures it idles at lower rpm.
It can reduce the engine noise by up to 3 dB below 2000 rpm, but then is used to slightly alter the engine's note at high revs.
It's a quiet engine most of the time, only revealing a slightly agricultural note at higher rpm.
Calibrated for high mileage, the Drive mode allows the engine to run at very low rpm while cruising, which sometimes produces a slight vibration.
Electric motors are most potent from zero rpm, so most of the acceleration, delivered via a single - speed auto transmission, is in the first 30mph, though BMW does claim that the engine changes enhance acceleration at higher road speeds, too.
For example, at the red light when idling and without touching the gas pedal, the engine in some cases starts «hunting», oscillating between the usual minimum rpm and an higher value like I was giving rpetitive pushes to the pedal, or, more frequently, the engine start keeping a quite high rpm (I estimate 2000 - 3000 rpm), VERY constant, before dropping back to normal.
At 80 mph, the engine isn't spinning too high — around 2,400 rpm — and 20/26 mpg city / hwy fuel economy isn't terrible, but the very best you can expect from the 13.7 - gallon tank is around 350 miles, which led me to join contributor Marc Noordeloos in wishing for more range.
Now making 440 hp and 406 lb - ft of torque (increases of 20 hp and 22 lb - ft, respectively), the engine is refreshingly responsive and smooth, even under heavy loads and at high rpm.
The coolest thing the TSX got is it i - VTEC engine kicks at high RPM and Its High Intensity Discharge Lighigh RPM and Its High Intensity Discharge LigHigh Intensity Discharge Lights.
If I have the smart phone audio hooked up to the car stereo and the inverter charging the phone I get a high pitched tone through the speakers at around 4k RPM that increases in pitch with the RPM of the engine.
The 3 - litre V6 is a mighty engine, delivering solid urge throughout the rev range and with a pleasingly hard - edged exhaust note cutting in at higher rpm.
Boosted engines also perform worse at high rpm and high load, as the engine is forced to run rich to keep temperatures down and prevent damage to the internal components.
With its low - friction valvetrain, variable valve - timing and the latest Bosch engine management system, the V - 12 feels awake at last, and it spins effortlessly to its power peak, which comes nearly 1000 rpm higher than a decade ago.
This process creates an enormous amount of heat and has the effect of making the engine rev at higher rpm's (not necessarily a bad thing).
Peak torque arrives at 4,700 rpm, though it's higher than 200 lb - ft across essentially the entire engine speed range.
Engines for this sort of application typically sacrifice peak torque and torque spread for gains at high rpm.
Aside from the high - revving engine (about 3700 rpm at 75 mph), the Fit was a perfectly pleasant car to drive two - and - a-half hours to GingerMan Raceway early on a Wednesday morning.
Other than the rough idle and hard starting there's no problem, the engine has plenty of power at high rpms and doesn't seem to be misfiring, both of which I think it would have problems with if the fuel pump wasn't providing sufficient pressure or volume.
This question is for the same engine and the same car as in the following question: Likely cause of poor performance at low RPM but normal at higher RPM?
And the engine's high torque at low rpm (thank you, turbos), means a bunch of horsepower down low in the rev range (for you fellow drag racing and dyno - chart freaks you know what I mean).
Peak output is up significantly over the 612's, and it occurs at a much higher point in the engine's rev range: 651 hp at 8000 rpm versus 532 hp at 7250 rpm.
Under higher loads and at the higher band of rpm, spark ignition seamlessly takes over from SPCCI, resulting in the feeling of a turbocharged engine that is falling out of its power band at the top end.
Although the melody no longer depends on high revs to flourish fully, at around 3,500 rpm the engine's voice breaks suddenly into «baw - wah, wah - baw,» which grows tireseome if 3,000 - 4,000 rpm happens to be your favorite spot in the rev range.
A 1.0 - liter turbocharged EcoBoost three - cylinder will be the base engine in China, with a new 1.5 - liter turbo EcoBoost I - 4 tuned for high torque at low rpms serving as the optional powerplant.
The way diesels deliver power is a lot like old - school American V - 8 engines — loads of torque down low, and not much power at high rpms.
Yes, calls for strong acceleration, such as highway merging, will keep the engine hung up at high rpms, but more casual acceleration is accomplished with little high - rpm droning.
At WOT at higher RPM (I'm guessing near 80 % of redline), the engine will go into what I can only assume is fuel cut mode and the car will coasAt WOT at higher RPM (I'm guessing near 80 % of redline), the engine will go into what I can only assume is fuel cut mode and the car will coasat higher RPM (I'm guessing near 80 % of redline), the engine will go into what I can only assume is fuel cut mode and the car will coast.
This EcoBoost engine feels plenty responsive, with little turbo lag and plenty of passing power at higher rpm.
In this regard, the new 5.2 - liter V - 8 in the GT350 and GT350R redlines at just above 8,000 rpm, a high number for an engine of this size.
With the engine running the voltage should be higher — maybe not much higher at idle, but if you bring the engine up to a normal cruise RPM, say 2,000 or so, you should see something between 13.5 V to 14.5 V (a bit more or less isn't necessarily a problem).
Then add acetone at a rate of six ounces for every ten gallons and run the engine immediately in low gear at high RPM (3,500 RPM) for 15 minutes and floor it on the highway six times.
With an automatic transmission this is very difficult because if you try to run the engine at wide open throttle the automatic transmission will extend your shift point up to the high RPM range and you will get very bad BSFC and in turn efficiency.
Aside from the slight power increase, chief engineer Dr. Hermann - Joseph Storp says that they worked on the V - 8's sound quality at higher rpm; indeed, when it crosses 3000 rpm the engine emits a muted burble, while at lower engine speeds it's barely audible.
When you are down shifting you are using the engine as a brake, however if you are down - shifting at very high RPM and your engine is revving, over time the synchronizer can be damaged, or it is already damaged.
On top of that, your car engine has to waste even more energy at high RPMs turning the alternator, the water pump, steering pump, etc..
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.
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