Sentences with phrase «fuel at a higher rpm»

Not exact matches

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.

Meanwhile, a twin - scroll turbo ensures that the boost spools up at low rpm and then carries through to peak rpm, variable valve timing on both the intake and exhaust cams swells the power curve down low, and direct fuel injection makes possible a relatively high 10.0:1 compression ratio that helps deliver crisp acceleration.

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.

At higher RPM or under load, the pump would apply more force and you'll get more fuel through, but at lower pressures it won'At higher RPM or under load, the pump would apply more force and you'll get more fuel through, but at lower pressures it won'at lower pressures it won't.

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.

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.

I would start with the higher octane fuel, some driving at higher RPMs at lower speeds and see if you can breath a little more life out of your Catalyst.

Optimal low RPM valve timing lift and duration settings would result in insufficient filling of the cylinder with fuel and air at high RPM, thus greatly limiting engine power output.

VTEC (Variable Valve Timing & Lift Electronic Control) is a system developed by Honda which was said to improve the volumetric efficiency of a four - stroke internal combustion engine, resulting in higher performance at high RPM, and lower fuel consumption at low RPM.

With its High Precision Direct Injection and VALVETRONIC fully variable valve timing, the «N55» fuel burner delivers 300 horsepower at 5,800 rpm, and 300 pounds - feet or torque between 1,200 and 5,000 rpm.

The sounds from the air blower's turbine that spins at around 200,000 rpm, the unique frequency of fuel cell stacks, the purging sound from the hydrogen cooling system and the high - pitched in - wheel motor sound harmoniously combine to produce a distinct race car rumble, further thrilling the driver.

The Track Edition's performance enhancements are added to a significant number of upgrades to the GT - R for the 2014 model year, ranging from the adoption of new fuel injectors for enhanced torque response in the 4,500 to 6,000 - rpm range and improved throttle and acceleration feel at mid - and high - rpm ranges, to the addition of an oil pan baffle to stabilize oil turbulence and oil pressure under high performance driving conditions.

Smooth as silk at idle and at high speeds, the 3.5 - liter engine delivers abundant power throughout the rpm range yet sips fuel like a frugal four - cylinder.

Ford says the 1.5 - liter engine will develop high torque at low rpm and offer higher fuel economy than the outgoing engine.

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The six - speed - automatic transmission, also tuned for fuel - saving, goes to the highest gear possible, keeping the engine revs at 1,500 rpm to 2,000 rpm.

Eco shifts gears early for better fuel efficiency, Sport shifts gears at high RPMs to extract optimum power while Manual lets you choose the gears though it shifts automatically after redline.

Underneath the hood, thanks to the upgraded supercharger system (a 2.9 - liter supercharger), along with an upgraded fuel injectors, carbonfibre high flow air induction kit, a better fuel pump and a recalibrated ECU the 5.0 - liter Coyote V8 unit now delivers 804hp at 7000 rpm and 648 lb - ft (878 Nm) of torque at 4400 rpm (the standard 5.0 - liter V8 Mustang develop 416 hp).

This kept torque levels at near - peak levels throughout the rev range and allowed a higher maximum horsepower without killing fuel efficiency or hindering drivability at lower rpm levels.

Once you add a strengthened block, a new high - lift camshaft, a revised valve train and LS7 - style fuel injectors plus a new intake manifold, the bottom line is 430 hp at 5,900 rpm, some 30 hp more than before.

Every 2013 GMC Sierra HD features a standard 6.0 - liter Vortec V8 with cam - in - block variable valve timing (VVT), which provides more power at high rpm and better fuel efficiency.

Advanced engineering techniques such as rapid - multispark ignition and high - pressure direct - injection help the GLA250 achieve 258 pound - feet of torque at 1,250 rpm while also enhancing fuel efficiency.

So the direct fuel injection runs when the engine is at higher rpm or under heavy load.

Boasting higher torque at low RPMs and greater output for smooth top - end power, MIVEC technology mixes together fuel efficiency with sporty performance while minimizing harmful emission.

A low - friction three - cylinder architecture that delivers naturally high torque at low rpm An integrated exhaust manifold that improves fuel - efficiency by helping the engine reach optimal temperatures faster, and delivers torque more rapidly by minimizing the distance exhaust gasses travel between cylinders and turbocharger.

The SKYACTIV - X combines the benefits of a spark - ignition gasoline engine — expansiveness at high rpms and cleaner exhaust emissions — with those of a compression - ignition diesel engine — superior initial response and fuel economy.

Other features include twin overhead camshafts, four valves per cylinder, multiple direct fuel - injection and a variable geometry turbocharger for high torque and a rapid throttle response at low rpm.

Also, for the first time in a Lexus performance engine, the rear - wheel - drive coupe uses the Atkinson cycle at cruising speeds for enhanced fuel economy and then switches to the Otto cycle at higher rpm to enhance performance levels.

As can be seen, the best fuel economy (measured in terms of fuel used per horsepower / hour) occurs at relatively high loads and low rpm.

Superior torque of 600 Newton - metres / 442 lb - ft is maintained all the way from 1,750 to 4, 500 rpm, with High Precision Injection ensuring precise supply of fuel at all times.

Lot # 745 - Ferrari's F430 Spider offers supercar performance with the added thrill of enjoying both the sunshine and the high - pitched symphony of the 4.3 - liter DOHC V8 engine, which features four valves per cylinder and multiport fuel injection to produce a ripping 490hp at 8,500 rpm.

Some of the key principles of Eco-Driving are: • Maintain engine speeds between 1200 — 3000 rotations per minute (RPM); • Change to higher gears between 2000 — 2500 RPM, and drive in top gears at lower speeds — the so - called «50 in 4th gear» driving style; • Try to anticipate more to avoid strong accelerations, decelerations, overtaking or aggressive driving; • Driving at speed limits and avoiding high speeds; • Add 10 % to standard tyre pressure; • Avoid using the air condition, or set at temperatures above 21Â °C; • Use your bike for short trips — starting your car when it is «cold» uses 300 % more fuel.»