In this type of construction, the water jacket surrounding the cylinders is sealed at the top, which endows
the crankcase with an exceptionally high degree of stiffness.
Two petrol engines with Twin Turbo technology and High Precision Injection - the 300 kW / 407 hp V8 in the top - of - the - range BMW 750i and the 240 kW / 326 hp straight - six in the new BMW 740i - as well as a newly developed straight - six diesel with common - rail fuel injection, piezo - injectors and an aluminium
crankcase with maximum output of 180 kW / 245 hp in the new BMW 730d are available right from the start upon the introduction of the car.
The engine features an aluminium
crankcase with thermally - joined cylinder liners (to reduce internal friction) and integrated balancer shafts, a turbocharger with variable intake geometry as well as an improved 2,000 bar common - rail direct - injection system.
It's a four - valve 2.0 - liter turbocharged four - cylinder that packs four multilink mechanisms inside
its crankcase with three times the typical number of bearings, capable of providing any desired compression ratio between 8.0:1 and 14.0:1.
The straight - six engine or inline - six engine (often abbreviated I6 or L6) is an internal combustion engine with the cylinders mounted in a straight line along
the crankcase with all the pistons driving a common crankshaft (straight engine).
The block uses an open - deck
crankcase with crossflow head cooling channels that reduce the resistance to coolant flow, allowing the use of a smaller water pump.
No other petrol engine features direct injection at a pressure of 200 bar, spray - guided combustion and piezo injectors, all in conjunction with map - controlled cylinder shut - off, an all - aluminium
crankcase with «spectacle» honing, four - valve technology with continuous camshaft adjustment, a high compression ratio of 12.6: 1, a start / stop system and generator management — while revving to a maximum speed of over 7000 rpm.
Use it in
the crankcase with fresh synthetic oil by substituting twenty percent of the motor oil with MMO, drive at the high RPM, then change oil again after 200 miles.
Not exact matches
With this commercial grade, DPM targets the market of flexible thermoplastic - Positive
Crankcase Ventilation (PCV) tubes and Exhaust Gas Recirculation (EGR) sensor tubes.
As cool as the turbo noises are, they only partially mask the engine - there are four - cylinders that would sound better
with a connecting rod poking through their
crankcases.
Once the engine reaches a certain speed, however, the oil will be too viscous to move within the
crankcase (remember, the
crankcase is completely filled
with oil).
Water that remains in the
crankcase forms acids that then react
with oil to form thick gel like deposits.
Most likely as Handy Howie points out, it could be fuel leaking through the fuel pump into the
crankcase of your engine, raising the apparent amount of oil, but now it would be diluted
with fuel.
The
crankcase is made from cast iron mixed
with vermicular graphite, which is 40 per cent more rigid and 100 per cent more fatigue - resistant than ordinary cast iron.
I think more than a quart is asking for trouble unless you're familiar
with the
crankcase and oil pan geometry and know you can safely add more.
As honing would no longer be possible
with the cylinder head installed, a jig resembling spectacles is bolted to the
crankcase.
SAE tightened its horsepower rules to eliminate the opportunity for engine manufacturers to manipulate factors affecting performance such as how much oil was in the
crankcase, engine control system calibration, and whether an engine was tested
with premium fuel.
Marvel Ultimate should be added to fuel or used in the
crankcase in oil; specially formulated even for use in synthetic oil and
with most advanced fuels including top tier, ethanol blends, and biodiesels.
Spray - guided direct petrol injection
with piezo injectors, the all - aluminium
crankcase, the four - valve - per - cylinder design
with camshaft adjustment, air - water charge air cooling, alternator management, the ECO start / stop function and the gliding mode have all been retained.
There's a closed - deck
crankcase, a magnesium oil pan and a forged - steel crankshaft,
with the engine's oil circuit designed to cope
with sustained loads of more than 1.2 g in any direction.
The highlights of this long - stroke engine
with an aluminum
crankcase include dry sump lubrication and a cylinder angle of 90 degrees.
The K - series also feature a highly rigid aluminum split -
crankcase engine block design
with 4 - bolt mains
with additional bolts securing the lower block, an internally balanced forged steel crankshaft
with lightweight powder forged carbon steel connecting rods.
Equipped
with High Precision Direct Injection and Valvetronic fully variable valve control, the 3.0 - liter engine
with aluminum
crankcase develops maximum output of 300 hp between 5,800 and 6,000 rpm.
The
crankcase is very rigid due to its closed - deck design — which means that the cylinder water jacket is closed at the top — while thermally joined, high - strength cylinder liners
with twin - wire, arc - sprayed coating save weight, allow greater thermal transfer due to the thinner cylinder wall thickness and reduce internal friction.
Gravity - die sand - cast all - aluminium
crankcase Weight - optimised crank mechanism
with forged steel crankshaft Forged pistons
with friction - optimised piston rings NANOSLIDE cylinder liner technology Air - to - water intercooling system Alternator management ECO start / stop function
Since the CV - Matic system features a shorter distance between pulleys, and that the mechanism itself is located inside the
crankcase, cooling performance inside the transmission itself is even more important than
with previous V - belt CVTs.
The long - stroke engine
with its aluminum
crankcase breathes freely; flaps in the exhaust tailpipes vary the sonorous acoustic backdrop.
Crankcase was heavily contaminated and engine oil highly diluted
with gasoline from a leaking HPFP.
The engine is similarly excellent, benefiting from an overhaul, including the
crankcase, which was performed 10,000 miles ago
with light tuning.
In December 2014, BMW North America released a voluntary recall («Customer Care Package») relating to issues
with timing chain stretch, fuel injectors, mass air flow sensors,
crankcase vent lines, battery, engine vacuum pump, low pressure fuel sensor and revising the oil service interval.
At the same time,
with its all - aluminum
crankcase, this engine is lighter and more compact than a 6 - cylinder engine of equivalent power.
The domed sections of the covers contain baffles that separate oil and air from the
crankcase gases,
with about three times the oil / air separation capability of previous engines.
Single arm
with engine
crankcase as swinging element, served by a single dual chamber shock
with 4 - setting adjustable spring preload.
Other high - tech features include variable camshaft adjustment, four - valve technology
with bucket - type tappets, a particularly rigid aluminum
crankcase of closed - deck design and the low - friction TWAS coating on the cylinder contact surfaces.
Crankcase capacity is six quarts of oil
with a filter change.
Spray - guided direct fuel injection
with piezo injectors, all - aluminum
crankcase, four - valve - per - cylinder design
with camshaft adjustment, an air - water intercooler, alternator management, ECO start / stop function and gliding mode have all been retained.
Technical Data: 6 cylinder in - line engine, cast iron cylinder block, bore x stroke 88.9 x 114.3 mm (3 1/2 x 4 1/2 in), capacity 4,257 cc; cast iron cylinder head, overhead valves; aluminium alloy
crankcase (Bentley Corniche cylinder block and
crankcase cast in one piece, overhead inlet valves, side exhaust valves) single coil ignition, stand - by coil, 2 SU - carburettors; single dry plate clutch, 4 - speed gearbox, synchromesh on 2nd, 3rd and 4th gear; hypoid bevel final drive; independent front suspension
with coil springs, semi-elliptic springs rear; 4 - wheel drum brakes servo - assisted; wheelbase 3,149.6 mm (124 in); tyre size 6.50 16
Displacing 3.0 litres, the engine comes
with an all - aluminium
crankcase, its turbocharger system featuring variable intake geometry ensuring a superior surge of power and performance tailored harmoniously to all kinds of driving conditions.
The Golf R 400 features a newly developed turbocharger
with a higher maximum charge pressure and reinforced
crankcase.
Four wide crankshaft bearings
with transverse reinforcing struts attached to the
crankcase also help to reduce vibrations.
Problems
with the
crankcase ventilation system, breather (PCV) valve and intake manifold are common.
In GT3 configuration, this so - called «split»
crankcase (meaning the parting line of
crankcase is on the crankshaft centreline) uses, instead of a fan and finned cylinders, separate water jackets added onto each side of the
crankcase to cool banks of three cylinders
with water pumped through a radiator.
One has been integrated into the turbocharger, another has been installed directly on the combustion engine
with a link to the
crankcase and the two remaining motors drive the front wheels.
The low - friction engines are also equipped
with an aluminum
crankcase.
The
crankcase on the new power plant is made from an aluminum - silicon alloy and has an open - deck construction
with steel cylinder liners.
The 2.0 TDI clean diesel features separate cooling circuits, two balancing shafts in the
crankcase, a cylinder - pressure sensor, substantially reduced inner friction and a common - rail fuel injection system
with a maximum pressure of 2,000 bar.
With its aluminum
crankcase, the new four - cylinder engine weighs just over 100 kilograms, despite its complex technology package.
Power under control Maserati engineers developed the mighty 3.8 - litre Twin Turbo V8 engine to accommodate the Q4 Intelligent All - Wheel Drive system, providing it
with a new
crankcase design, specific crankshaft assembly, new oil pump and auxiliary belt and a different wiring layout.
Titanium valves, ultra — light weight rocker arms
with a diamond — like coating and a fully integrated lower
crankcase that reduces pumping losses at high RPMs combine to provide the driver
with overwhelming acceleration right up to the 9,000 rpm redline.
Styling is likely to be similar to the Street 150
with the engine,
crankcase and alloy wheels painted black.