Taking cues from the Nissan Prince R380 racing prototype, it relied on a four - valve Dual Overhead
Cam engine for power and four - wheel independent suspension for its remarkable handling.
Not exact matches
I love BB creams and have been
cam lobe profile catalog an expanded listing of all crane
cams lobe profiles
for professional racing
engine builders
You can look at the dyno graphs
for a naturally aspirated and turbocharged
engine (on the same bore, stroke,
cam) and they will peak and drop around the same area.
This example is a rare Carrera GS / GT, built specifically
for competition and featuring a highly tuned four - cylinder, four -
cam race
engine.
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.
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.
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).
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.
On overhead
cam engines the camshafts require oil
for lubricating the journal bearings that they spin on.
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?
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.
I was surprised to learn the smaller
engine has but one overhead
cam, twin
cams being an Alfa Romeo hallmark
for longer than any of us have been alive.
To prepare the M838T
engine for the extra load, it received new pistons, cylinder heads,
cam profiles, and exhaust valves.
Impressive figures
for a 1.8 - litre
engine, and although they still arrive at high revs, what the on - paper stats don't say is that, thanks to a remap, the
cam - change point drops to 4000rpm or so, compared with 6000rpm
for the standard
engine.
If the
engine is going fast enough, this time is longer than the time it takes
for the
cam lobe to rotate from «fully open'to «fully closed», so the valve doesn't follow the
cam - a gap appears momentarily.
This might not seem like a particularly impressive amount of power, but the
engine's 146 lb - ft of torque seems sufficient
for this 2,948 - pound car thanks to variable valve timing on both
cams for a broader powerband and fairly quick ratios swaps by the transmission.
There's a bit of axle tramp as the tyres skip with just enough wheelspin, but then, as they bite, the
engine falls off
cam for a split second before hauling hard once more.
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.
All that other stuff — ride, handling,
engine response — that's all very fiddly, but you've got CAD /
CAM units and data and target parameters to aim
for before completing with some seat - of - the - pants tuning.
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.
Could be stretched timing chains or a problem with the vvt gear, stretched chains will give an incorrect reading between the
cam sensor and the crank sensor (essentially
engine is out of time) and will usually fail to start once stretched to far, if the correlation between cps and crank sensor if different
for I think 5 seconds car will not start
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.
SOHC V6 and V8
engines, which are designed with cylinders in two banks, have a total of two
cams, one
for each cylinder head.
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.
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.
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.
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.
The standard
engine for the new Jetta GLX is a 12 - valve, double - overhead
cam, water - cooled 2.8 - liter V - 6 (which VW calls the VR6) rated at 172 horsepower.
Recent
cam belt change Exterior: 4/5, Interior: 4/5,
Engine: 4/5, Transmission: 4/5, Running gear: 4/5, Electrics: 4/5, Vehicle history: 5/5
For a full condition report, view this car on www.classiccarauctions.co.uk/lotus-esprit-2-2-turbo-x180-215-bhp.
The OHC design allows
for higher
engine speeds than comparable
cam - in - block designs, as a result of having lower valvetrain mass.
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.
Listen
for a noisy
engine indicating
cam lifter wear but, again, it's rare.
The Sidekick was initially offered with a 1.3 L carbureted
engine for a short time, followed by a 1.6 L fuel - injected overhead -
cam eight - valve I - 4
engine producing about 80 hp.
With the Mercury Tracer LTS, Ford has taken away every reason you might have
for not liking small cars.You get room, styling, luxury and performance - all at a bargain price.What makes the LTS different from its Escort and Tracer siblings is that it combines the rev - happy Mazda - built 127 - horsepower, double overhead
cam, 16 - valve, four - cylinder
engine with the high - performance suspension from the Escort GT and the new Escort / Tracer four - door - sedan body.The result is a baby BMW - a well - equipped sports sedan that goes like the wind and sticks to the road with utter tenacity.
TI - VCT varies the phase of the intake and exhaust
cams independently
for improved airflow through the
engine, which delivers more torque while reducing average fuel consumption by up to 5 percent.
The 1.2 - litre Revotron petrol
engine is a lightweight, all - aluminium, four - valve, DOHC setup with variable
cam timing
for the intake valves.
Here's the new Ford Expedition, a full - size sport - utility vehicle that is headed
for showrooms this fall.Ford plans to offer the nine - passenger Expedition with a standard 215 - horsepower overhead
cam V - 8
engine; an optional 5.4 - liter V - 8 powerplant is rated at 230 horsepower.The Expedition will be pitted against the full - size Chevrolet Tahoe, GMC Yukon and Chevrolet / GMC Suburban, which
for years has had no competition.Ford says the Expedition will offer best - in - class highway fuel economy and towing capacity.
For maximum power, the solenoid valve is always closed and full valve opening is achieved following completely the mechanical
cam, which was specifically designed to maximize power at high
engine speed (long opening time).
The standard
engine for the SE and GT models is a 2.4 - liter, in - line, twin -
cam, 16 - valve four - cylinder with 150 horsepower.
TI - VCT varies the phase of the intake and exhaust
cams independently
for improved airflow through the
engine, which delivers more torque while reducing average fuel consumption by up to 5 %.
At high
engine speeds, camshafts can flex torsionally in addition to the crankshaft, contributing to valve timing
for the cylinders furthest from the
cam drive becoming inaccurate and erratic, losing power, and in extreme cases resulting in mechanical interference between valve and piston — with catastrophic results.
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.
Propulsion
for the front - wheel drive Golf is supplied by a 100 - horsepower, 1.8 - liter, 4 - cylinder, single overhead
cam in - line, fuel - injected
engine.
The
engine also incorporates intake variable
cam timing (iVCT) to optimize valve timing
for a smooth idle, optimal part - load driving and a broad torque curve with good power.
The base
engine for the Cutlass will be the 150 - horsepower, 2.4 - liter double - overhead -
cam four - cylinder
engine that is a direct descendant of Oldsmobile's original Quad Four.
Toyota Certified, One Owner, Clean Car Fax, Well Maintained, Clearwater Blue Metallic, Navigtion, Standard Equipment MECHANICAL & PERFORMANCE Hybrid Synergy Drive, Enhanced AT - PZEV 1.8 L DOHC 16V VVT - i 4 - Cylinder
Engine 4.4 kWh Li - Ion Battery, EV / ECO / PWR Modes 15 Alloy Wheels, P195 / 65R15 Tires Electric Power Steering (EPS) 4 - Whl Disc Brakes / Front Ind Suspension SAFETY & CONVENIENCE Star Safety System: VSC, TRAC, ABS, Elect Brake - Force Distribution, Brake Assist (BA) & Smart Stop Technology (SST) Dr & Fr Pass Advanced Airbag System Dr & Fr Pass Seat Mounted Side Airbags Side Curtain Airbags & Dr Knee Airbag Dr & Fr Passenger Active Headrests LATCH (Lwr Anchor & Tethers
for CHildren)
for Outboard Rear Seating Positions Only Eng Immob, Tire Press Mntr & Repair Sys EXTERIOR Rr Splr, Plug - in Badges / Blue Tnt Hdlghts Illum Charging Port w / Indicator Light Halogen Headlights w / Auto - Off, LED DRLs Heated Power Outside Mirrors Intermittent Rear Wiper INTERIOR Auto Climate Ctrl Sys w / Remote Climate Display Audio w / Navigation & Entune: 6.1 Touch - Screen w / Backup
Cam, AM / FM / CD 6 Speakers, SXM Radio w / 90 - day Trial, HD Radio, Aux Jack, USB Port & Bluetooth Multi-Info Disp w / Battery & Trip Info Instant MPG, Touch Tracer Display Fabric - Trimmed Heated Front Sts w / 6 - Way Adj Driver's Seat & 4 - Way Adj Pass Seat 60/40 Split Fold - Down Rear Bench Seat w / Fold - Down Center Armrest Cruise Control Tilt / Telescopic Steering Whl w / Controls 3 Door Smart Key System Push Button Start w / Remote Illum.
Winner: COMP Performance Group, COMP
Cams ® FSL ™ Series Camshaft
for GM L99
Engines Runner Up: Flowmaster, B&M & Hurst, Flowmaster Delta Boost Module
for Ford vehicles with 2.7 L or 3.5 L EcoBoost
engine Runner Up: Hotchkis Sport Suspension, Dodge B&E Body Geometry Corrected «On Car» Adjustable Tubular Upper A-Arms
The 480737 code
cam (identical grind to the RAIV «041»
cam) was originally specified
for the SD455
engine and was fitted into the «pre-production» test cars (source: former Pontiac special projects engineer McCully), one of which was tested by both Hot Rod and Car and Driver magazines.