However, the LX engine is a larger version of the Duratec 24 - valve double overhead
cam engine used in the Ford Contour / Mercury Mystique.
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 Not?
Many imports with overhead -
cam engines use toothed rubber belts that must be changed before the car reaches 100,000 miles, an often expensive repair.
The twin -
cam engine uses four valves per cylinder and Variable Valve Timing with Intelligence (VVT - i) on the intake side.
Not exact matches
Recalls are being issued for a number of vehicles including the new Toyota Prius V, 2012 Toyota Tacoma, and
Cam - Am Spyder as well as various BMWs and Rolls - Royce models
using V - 8 and V - 12
engines.
OHV configurations
use a centrally located
cam shaft (central to the
engine block), and actuates the valves through the
use of lifters, pushrods, and rocker arms.
An all - new 2.0 - liter four - cylinder
uses dual variable
cam phasing and direct injection to produce 20 more horses than last year's
engine, for a total of 160, only ten less than the Volkswagen Jetta's optional 2.5 - liter five - cylinder.
I
used to have a GT - R, I sold it, but I'll openly say I have two vintage Nissans — one is a first - gen Silvia, the other is a Z — the 432 [a limited - run Fairlady Z that
used the first - generation GT - R's four - valve, triple - carb, twin -
cam engine].
All
engines using the overhead
cam design offer the potential for greater power output and higher
engine speeds (rpm) when compared with overhead valve designs.
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.
The multivalve Sprint version of the Triumph Slant - 4
engine used a system where the camshaft was placed directly over the inlet valves, with the same
cams that opened the intake valves also directly opening the exhaust valves via rocker arms.
The Sentra represents the first Nissan to
use a front -
engine, front drive layout and come equipped with a 1.5 - liter, four - cylinder, single overhead
cam engine.
The Mercury
uses a 427ci
engine with a Scat rotating assembly, Mahle pistons, a Comp
Cams camshaft and other performance features.
These
engines use an aluminum block and heads, with dual overhead
cams.
IOE
engines were widely
used in early motorcycles, initially with the inlet valve being operated by
engine suction instead of a
cam - activated valvetrain.
It was Alfa that pushed aluminum dual - overhead -
cam engines into the hands of masses more
used to iron - block boat anchors.
This
engine used the head and
cam from the HSO
engine and produced 90 hp (67 kW) and 130 lb ⋅ ft (180 N ⋅ m) of torque.
The LT - 1, an
engine built from the ground up
using premium parts and components, was a much better performer overall than the previous 302 cu in (4.9 L) V8s
used in 1967 - 69 Z - 28s; greater torque and less - radical
cam, coupled with the 780 cfm Holley four - barrel, [1] permitted the Z - 28 to be available with the 3 - speed [1] Turbo Hydramatic 400 automatic transmission as an option to the four - speed manual for the first time.
Cam - Phase technology is also
used in the 1.6 ECOTEC and 1.8 ECOTEC
engines in the Astra, Zafira, Vectra and Signum.
Bugattis and Duesenbergs commonly
used double overhead
cam straight - eight
engines.
Anthony DiSomma Racing put together the 363ci
engine using an Eagle forged crank and I - beam connecting rods, Diamond pistons, a custom - spec Bullet / Brian «Freezy» Friedentag
cam, and a boost - friendly 8.5:1 compression ratio.
The all - aluminum, two - liter, inline four - cylinder
engine uses dual overhead
cams and a variable valve - timing system called MIVEC to produce its combination of power and efficiency.
It's the same 4.7 - liter, double overhead
cam, 32 - valve
engine used in the Tundra, Sequoia, Land Cruiser and Lexus LX470, and has consistently been praised as reliable and eerily quiet.
For the
engine, Folkestad chose to
use custom aluminum heads from Automotive Machine Shop Services, a COMP Roller
Cam with 4 - 7 firing order swap, an All American Billet front drive with ceramic coating, a single - plane intake manifold and scorpion shaft rocker arms.
Some SOHC multi-valve
engines (such as the Mazda B8 - ME)
use a single fork - shaped rocker arm to drive two valves (generally the exhaust valves) so that fewer
cam lobes will be needed in order to reduce manufacturing costs.
The sensor is located in the top of the
engine in front of intake manifold and is
used to provide a
cam signal to...
[citation needed] The ZF «sliding pins and
cams» became available, [1] and one example was the Type B - 70
used during the Second World War in the military VWs (Kübelwagen and Schwimmwagen), although technically this was not a limited - slip differential, but a system composed of two freewheels, which sent the whole of the
engine power to the slowest - turning of the two wheels.
; PARTICULARS INCUDE BUT NOT LIMITED TO; Subaru Impreza sti in white fresh import grade 4 import; 109672 km; 65803miles; Stock
engine; Hks air intake; Hks electronic boost controller; Hks Turbo timer; Turbo boost dial; Bc coil overs; Folding mirrors; Alpine twindin; Cdplayer; Momo steering; Twin airbags on dash; Sti red stitched with blue suede front seats; Privacy glass; Stainless cat back; Recent service; Cam belt done at 83713 km; Sti strut brace; Red stuff brake pads; Sti high rise boot spoiler;;; BODYWORK IS VERY TIDY AND WILL COME WITH A VERY LONG MOT AND A FRESH SERVICE DONE BY USING VERY HIGH QUALITY OILS ETC.;; DRIVEWISE SHE DRIVES ABSOLUTELY PERFECT AND BOOSTS WELL THROUGH ALL GEARS WITH NO LOSS OF POWER IN HIGH REV RANGE.;; NO DENTS OR ANY SIGNS OF PREVIOUS REPAIR ON THE CAR.;; MECHANICALLY IT IS VERY STOCK AND HAS BEEN RUN ON STOCK BOOST HENCE THE ENGINE IS UNMOLESTED AND SHOWS VERY HEALTHY SIGNS.;; PLEASE DO NT FORGET TO LOOK ON OUR WEBSITE FOR 50 PLUS PICS OF THIS CAT TO SHOW EVERY POSSIBLE ANGLE AND TO ALSO INDICATE THE TRANSPARENCY WE
engine; Hks air intake; Hks electronic boost controller; Hks Turbo timer; Turbo boost dial; Bc coil overs; Folding mirrors; Alpine twindin; Cdplayer; Momo steering; Twin airbags on dash; Sti red stitched with blue suede front seats; Privacy glass; Stainless cat back; Recent service;
Cam belt done at 83713 km; Sti strut brace; Red stuff brake pads; Sti high rise boot spoiler;;; BODYWORK IS VERY TIDY AND WILL COME WITH A VERY LONG MOT AND A FRESH SERVICE DONE BY
USING VERY HIGH QUALITY OILS ETC.;; DRIVEWISE SHE DRIVES ABSOLUTELY PERFECT AND BOOSTS WELL THROUGH ALL GEARS WITH NO LOSS OF POWER IN HIGH REV RANGE.;; NO DENTS OR ANY SIGNS OF PREVIOUS REPAIR ON THE CAR.;; MECHANICALLY IT IS VERY STOCK AND HAS BEEN RUN ON STOCK BOOST HENCE THE
ENGINE IS UNMOLESTED AND SHOWS VERY HEALTHY SIGNS.;; PLEASE DO NT FORGET TO LOOK ON OUR WEBSITE FOR 50 PLUS PICS OF THIS CAT TO SHOW EVERY POSSIBLE ANGLE AND TO ALSO INDICATE THE TRANSPARENCY WE
ENGINE IS UNMOLESTED AND SHOWS VERY HEALTHY SIGNS.;; PLEASE DO NT FORGET TO LOOK ON OUR WEBSITE FOR 50 PLUS PICS OF THIS CAT TO SHOW EVERY POSSIBLE ANGLE AND TO ALSO INDICATE THE TRANSPARENCY WE SHOW.
All
engines were quieted down
using «Phase II Quiet Idle,» including an acoustic cylinder - head cover (already
used on turbos by then), a change to the tooth style on
cam belts (deep rounded teeth), plugs for the timing indicator and probe in 2.5 Turbo I and manual - transmission cars, and a transmission dust cover - to -
engine oil pan foam seal on 2.5 Turbo I and manual - transmission cars.
SRT claims this to be the first
use of VVT in a high - performance
cam - in - block
engine.»
«First, all of these passenger - car
engines have hydraulic lifters, therefore a milder
cam than the mechanical
cam used in the ’57 performance models and secondly, you'll notice that 9.5 to 1 is the maximum on compression, even with the injector.»
The
engine was, therefore, a new design
using aluminum blocks and heads, dual overhead
cams, 24 valves, and other features to assure efficiency.
The iron - block, aluminum - head
engine used dual overhead
cams and four valves per cylinder; the turbocharger was intercooled with a maximum boost of 11 psi.
The 2.2 liter single - overhead -
cam four - cylinder in - line
engine was
used, with either a single fuel injector or with a turbocharger and four fuel injectors.
The low valve lift
cam profile is
used at low to mid
engine speeds to maintain idling quality and reduce emissions, while the high lift
cam profile is
used when the
engine is spinning at mid to high
engine speeds improve peak horsepower and torque.
A narrow width
cam chain, a chain case with a built - in oil pump and ferrous spin cast cylinder sleeves are
used to make the
engine approximately 13 mm shorter, allowing for greater packaging efficiency.
While the other GM divisions
used a front - steer setup (steering linkage in front of the
engine crossmember), all Cadillac RWDs retained the 1961 - vintage front suspension (rear steering linkage, eccentric
cams in the steering knuckle in lieu of shims, strut rods attached to the framerails for caster adjustment).
Civic Si: i - VTEC Valvetrain The Civic Si
engine uses an aluminum cylinder head and a dual overhead
cam, four - valve - per - cylinder valvetrain incorporating the i - VTEC system.
The CamPro CPS
engine uses a variable valve lift system (
Cam Profile Switching system) and a variable length intake manifold (VIM; not to be confused with the stand - alone IAFM
used in the 2008 Proton Saga) to boost maximum power and improve the CPS
engine's torque curve over the original CamPro
engine.
The car will be offered in four trim levels: The S, LS and ES will share a single - overhead - camshaft
engine that makes 141 horsepower, and the GS
engine will
use a dual overhead
cam to make 160 horsepower.
The new
engine cover and a rather small «Jota» logo mounted on the rear fascia were the only visible differences on the outside when comparing the Jota specs to the original Diablo SE30 model, but especially in the
engine bay the real difference was visible, the famous V12
engine was tuned to nearly 600 Bhp by reprogramming the ECU electronic injection system, installing a pressure plate that required new gaskets for the intake plenums, lighter cranks and different
cams... the result was a racing
engine for road
use.
The
engine, in a somewhat dubious industry first,
use a variable valve - timing system on its overhead valves rather than on overhead
cams, but this ultimately seems like more trouble than it's worth.
All 911 Carrera and Carrera S models are fitted with a rear - mounted flat - six boxer
engine that
uses Porsche's VarioCam Plus variable
cam timing and lift technology to optimize responsiveness and operating efficiency.
«I can give you 100 examples of why not,» he said, «from the new independent front suspension, to the double - overhead -
cam engines and
use of more premium material,» Wilbur said.
The ES300h trades the 3.5 - liter twin -
cam V6 for a 2.5 - liter Atkinson cycle inline four - cylinder
engine mated to Lexus Hybrid Drive, which
uses a high - output permanent magnet electric motor to bring total system horsepower to 200.
Camshafts are robotically assembled
using hollow shafts and have polished
cam journals to reduce weight and improve durability for start - stop
engine operation.
The LGZ is based on GM's 3.6 L V - 6 LGX
engine, which launched GM's second - generation double - overhead -
cam engine architecture, but is tuned for truck
use.
Fully revised high - speed valve train with modified camshafts, adapted
cam geometry and optimized bucket tappets featuring a special coating that is typically
used on race vehicles - Modification of the intake air ducting: de-throttling and adaptation tomatch the new maximum
engine speed
The Mustang EcoBoost
engine uses direct injection, variable
cam timing and turbocharging to deliver plenty of usable performance and projected segment - leading fuel efficiency.
The petrol
engines are configured
using a Continuous Variable
Cam Phaser, which smartly adjusts valve timings and intervals for power delivery.