All models feature the four cylinder, all - light - alloy Alfa Romeo Twin
Cam engine in various cubic capacities from 1290 cc to 1962 cc, all with two valves per cylinder.
The RVR takes its name from Mitsubishi's futuristic 1989 Tokyo Motor Show prototype and adopts the Galant's transverse 2.0 - liter, 140 horsepower, twin -
cam engine in its 171.6 - inch body.
Not exact matches
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This Wagoneer's single - overhead
cam six, first U.S. mass - produced OHC
engine (predating the Pontiac OHC six by a couple of years) was removed
in favor of, ironically, the OHV 5.7 - liter Hemi V - 8, paired with a four - speed automatic transmission.
In order to take advantage of the
engine's better breathing, K - tec will then install a set of Cat
Cams stage one high - lift camshafts.
Limited, handbuilt production began
in 1968 and
engine choices would include a series of gas and diesel four - cylinders, some with dual overhead
cams and fuel injection — heady stuff for the time.
TWIN
CAMS, FOUR VALVES Four valves per cylinder operated by double overhead camshafts are now respected as the most efficient path to piston -
engine power, but they were radical concepts when designer Ernest Henry proposed them
in 1912.
If this mixture is left
in the
engine for any amount of time, it can for acids with the oil and cause corrosion on the bearings and any other metal parts (cylinder walls, lifters,
cam journals, etc).
OHV which means Over Head Valve (the
cam is usually
in the block, below the valves and acts upon the valves with pushrods and rocker arms) An example of this being the Austin Morris A-series
engine as found
in the original Mini.
Much of the improvements have come from advancements
in computer controlling for things like oil pressure,
engine temperature, and piston cooling, as well as mechanical changes including offset crankshafts and roller bearings on
cam and balancer shafts.
Cars
In My Life — Variety is the spice of David Cole's motoring life / Enjoying The Open Road — Michael Bowler makes some suggestions for the pre-season preparations of your pride and joy / Motoring Memories — We up the tempo with a selection of heavenly bodies from the CK Bowers archive / A Page From The Leaf — Dr R Elliot - Pyle chronicles the development of the twin - cam engine used by Lea Francis in the»20s / Sunbeam's First Victor National Motor Museum director — Michael Ware has traced a surviving early British racer / The Bradley Tapes — WF Bradley recalls a strange relationship to Ronald «Steady» Barker / Modern Values — Vauxhall's Ten proved to be a winner with British families — Jonathon Wood discovers why / Believe It Or No
In My Life — Variety is the spice of David Cole's motoring life / Enjoying The Open Road — Michael Bowler makes some suggestions for the pre-season preparations of your pride and joy / Motoring Memories — We up the tempo with a selection of heavenly bodies from the CK Bowers archive / A Page From The Leaf — Dr R Elliot - Pyle chronicles the development of the twin -
cam engine used by Lea Francis
in the»20s / Sunbeam's First Victor National Motor Museum director — Michael Ware has traced a surviving early British racer / The Bradley Tapes — WF Bradley recalls a strange relationship to Ronald «Steady» Barker / Modern Values — Vauxhall's Ten proved to be a winner with British families — Jonathon Wood discovers why / Believe It Or No
in the»20s / Sunbeam's First Victor National Motor Museum director — Michael Ware has traced a surviving early British racer / The Bradley Tapes — WF Bradley recalls a strange relationship to Ronald «Steady» Barker / Modern Values — Vauxhall's Ten proved to be a winner with British families — Jonathon Wood discovers why / Believe It Or Not?
A pushrod
engine may have old - school technology, but it makes the
engine sit extremely low
in the chassis due to not needing overhead
cams.
The
cam has a «bump» or «hump»
in it which actuates the valves which allows air into and exhaust out of the cylinder of the
engine at the correct time so the
engine will run correctly.
As far as the
cam follower on the BPY goes, when it failed
in my Passat there was no check
engine light, fuel cutout, just a new noise from the car for on the way to work... When I got home I pulled the HPFP off for a look and sure enough the follower was almost completely disintegrated..
Advance to the Rear — French Style Much lest resistant to new technological ideas than their neighbours across the Channel the French came up with some highly imaginative proposals
in the 1930s as Karl Ludvigsen relates / Vauxhall Velox & Wyvern — Buyer's Guide / Royal Restoration — Michael Ware looks back at the restoration of a Royal Daimler that was carried out for the Queen's Silver Jubilee / Commercially Speaking — Lighter Commercials / Dashboard Instruments — Part Two — Workshop / Cammy Sammy - Salmson Twin
Cam / Classic Commemoration — Richard Cass reports on the Le Mans Classic / Singer Super Six — Michael Worthington - Williams recalls a Singer «buult like a battleship graceful as a yacht» / Coventry Cat — Fitted with the first
engine entirely designed by Jaguar the XK 120 set the standard by which so many postwar sports cars are judged.
«The bearing is a «sealed for life» item but
engine oil forced
in by the
cam chains can wash the grease out,» says James.
Valve float is an adverse condition which can occur at high
engine speeds when the poppet valves
in an internal combustion
engine valvetrain do not properly follow the closure phase of the
cam lobe profile.
The
engine has been developed by Lamborghini to produce 641bhp and 627 lb ft of torque, thanks to new turbos,
cams and cylinder heads amongst other items, which is enough to blast the 2.2 - ton Urus to 62mph from rest
in just 3.6 seconds.
The original 2.0 - liter four - cylinder
engine has been destroked to just 1.8 - liters, increasing its redline — which now redlines at «Snow»
in the Drive Mode selector housed
in the car's tachometer — a billet tungsten crankshaft, titanium valves, beryllium seats, and asymmetric billet
cams.
At the center of the Sport 410 self - betterment equation is once again an
engine something like what you might see
in a Camry — Toyota's 3.5 - liter 2GR - FE V6 — but as massaged by Lotus (
cams, ECU, lightweight flywheel), and here
in supercharged form.
If you put harley - like
cam profiles
in a ducati, it would behave like a harley (setting aside the oddly spaced v - configuration of the
engine, which would prevent it from sounding remotely similar).
Not surprisingly, space is pretty tight
in the FR - S»
engine bay with a 90 - degree, dual - overhead -
cam V - 8 shoehorned
in there.
For your oil leak you need to take it to a garage that specializes
in Audis it's very easy to destroy the
engine if you don't know what you're doing e.g. the intake
cam caps are part of the valve cover.
The 6.0 - litre quad -
cam V12 is a delight, and
in a sea of turbocharged
engines that sacrifice character for headline power and torque figures delivered at frankly unbelievable low
engine speeds, it serves to remind us just how exciting and engaging normally aspirated
engines are.
Most of the extra straight line performance over a standard 12C (which hits 60mph
in 3.1 sec) comes from the reworked
engine, which has new pistons, cylinder heads and exhaust valves and revised
cam timing.
SOHC V6 and V8
engines, which are designed with cylinders
in two banks, have a total of two
cams, one for each cylinder head.
The VTEC TURBO
engine series were introduced
in 2013 as part of the Earth Dreams Technology range and include new features such as gasoline direct injection, turbochargers, and Dual
Cam VTC.
The quad -
cam engine has been developed by InnoV8
in Brisbane, the chassis modifications done by ex-McLaren composites engineer Lee Cason
in Melbourne, the six - speed sequential gearbox coming from Holinger, and the control damper package being designed by SupaShock
in South Australia.
When
in VTEC, since the «normal»
cam lobe has the same timing and lift as the intake
cam lobes of the SOHC non-VTEC
engines, both
engines have identical performance
in the upper powerband assuming everything else is the same.
Originally designed to accept an all - new V8
engine, this was not ready
in time for the car's launch, so it was initially fitted with the legendary four litre twin -
cam DB6
engine producing 282bhp at 5,500 rpm through triple SU carburettors.
The economy i - VTEC used
in K20A3 / K24A4
engines is more like the SOHC VTEC - E
in that the intake
cam has only two lobes, one very small and one larger, as well as no VTEC on the exhaust
cam.
In basic form, the single
cam lobe and follower / rocker arm of a conventional
engine is replaced with a locking multi-part rocker arm and two
cam profiles: one optimized for low - RPM stability and fuel efficiency, and the other designed to maximize high - RPM power output.
Featured
in the November 2015 issue of Street Trucks magazine, this award - winning truck has an Art Morrison chassis and Corvette C6 front suspension, and is powered by a Chevrolet LS3 Hot
Cam engine and 3 - speed automatic transmission.
The switch - down back from high to low RPM
cams is set to occur at a lower
engine speed than the switch - up (representing a hysteresis cycle) to avoid a situation
in which the
engine is asked to operate continuously at or around the switch - over point.
This is because VTEC requires a third center rocker arm and
cam lobe (for each intake and exhaust side), and,
in the SOHC
engine, the spark plugs are situated between the two exhaust rocker arms, leaving no room for the VTEC rocker arm.
Engine: 2,997 cc 3 liters in - line 6 front engine with 86 mm bore, 86 mm stroke, 10.5 compression ratio, double overhead cam, variable valve timing / camshaft and four valves per cylinder 2J
Engine: 2,997 cc 3 liters
in - line 6 front
engine with 86 mm bore, 86 mm stroke, 10.5 compression ratio, double overhead cam, variable valve timing / camshaft and four valves per cylinder 2J
engine with 86 mm bore, 86 mm stroke, 10.5 compression ratio, double overhead
cam, variable valve timing / camshaft and four valves per cylinder 2JZ - GE
Honda's new Earth Dreams
engine family will debut
in the redesigned Accord this fall and then trickle through the rest of the lineup.The new
engines have direct injection and double - overhead
cams...
Engine: 1,769 cc 1.8 liters in - line 4 engine with 80 mm bore, 88 mm stroke, 9.5 compression ratio, double overhead cam, variable valve timing / camshaft and four valves per cy
Engine: 1,769 cc 1.8 liters
in - line 4
engine with 80 mm bore, 88 mm stroke, 9.5 compression ratio, double overhead cam, variable valve timing / camshaft and four valves per cy
engine with 80 mm bore, 88 mm stroke, 9.5 compression ratio, double overhead
cam, variable valve timing / camshaft and four valves per cylinder
The OHC design allows for higher
engine speeds than comparable
cam -
in - block designs, as a result of having lower valvetrain mass.
Engine: 1,998 cc 2 liters in - line 4 engine with 86 mm bore, 86 mm stroke, 9.5 compression ratio, double overhead cam and four valves per cy
Engine: 1,998 cc 2 liters
in - line 4
engine with 86 mm bore, 86 mm stroke, 9.5 compression ratio, double overhead cam and four valves per cy
engine with 86 mm bore, 86 mm stroke, 9.5 compression ratio, double overhead
cam and four valves per cylinder
If you see the i - VTEC light on
in the dash, it means that the system has changed
engine cams to accommodate for high RPMs (revolution per minute)
in the
engine.
Somehow Buick engineers have been able to tune this pushrod V - 6 to deliver the refined performance and silky smoothness of an expensive 24 - valve overhead -
cam engine, such as you might find
in a Lexus ES 300 or Acura 3.5 RL.
The SE - R's aluminum inline - four with chain - driven overhead
cams and 16 valves — the same
engine that's
in Infiniti's G20 — puts out 140 hp at 6400 rpm and 132 lb - ft of torque at 4800 rpm.
The 3.6 - liter V - 6
engine design features DOHC and high - flow intake and exhaust ports, that
in combination with variable - valve timing via dual independent
cam phasing, allow optimum volumetric and combustion efficiency over the full speed and load range.
Under the hood, however, resides the same double overhead
cam, 1.6 - litre four - cylinder
engine that you would find
in the
engine bay of a stock Micra S.
The 1997 Miata is powered by a 133 - horsepower, double overhead
cam,
in - line four - cylinder
engine that is mated to a five - speed manual transmission.
Engine: 1,597 cc 1.6 liters in - line 4 front transverse engine with 76 mm bore, 88 mm stroke, 9.9 compression ratio, light alloy block, light alloy head, double overhead cam and four valves per cy
Engine: 1,597 cc 1.6 liters
in - line 4 front transverse
engine with 76 mm bore, 88 mm stroke, 9.9 compression ratio, light alloy block, light alloy head, double overhead cam and four valves per cy
engine with 76 mm bore, 88 mm stroke, 9.9 compression ratio, light alloy block, light alloy head, double overhead
cam and four valves per cylinder
2.0 l dual overhead
cam (dohc) 16 - valve 240 - hp
in, 2.0 l dual overhead
cam (dohc) 16 - valve 240 - hp inline 4 - cylinder
engine - inc: twinpower turbo technology high...
In 1993, Isuzu replaced the GM V - 6 with one of its own, a 3.2 - liter, double overhead
cam, 24 - valve
engine rated at 175 horsepower.