Other engine enhancements include the addition of standard variable
exhaust cam timing (eCVTCS), a higher rev limit (increased from 6,600 rpm to 7,500 rpm) and higher compression ratio (10.6:1 versus the previous 10.3:1), asymmetric piston skirts, twin knock sensors, improved coolant flow and new Iridium spark plugs.
Fault code P0015 (https://www.yourmechanic.com/article/p0015-obd-ii-trouble-code-camshaft-position-b-timing-over-retarded-bank-1-by-jay-safford) has to do with with
the exhaust cam timing.
Not exact matches
The 5.0 liter not only brings an illustrious past Mustang reputation to the party, it also bristles with forward - looking technology: aluminum block and head construction, a dual - overhead -
cam valvetrain with variable intake and
exhaust valve
timing, and four valves per cylinder.
Modified
cam timing, more boost, a stiffer crankcase, and a new
exhaust system help to hike power and torque over the SL55's already useful 493 hp and 516 lb - ft.
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.
This system changes the
cam shaft
timing so that it allows
exhaust gas to remain in the cylinder during the inlet stroke.
This particular large - bore, short - stroke V - 8 (which will also appear in the F - 150 Raptor) uses a single overhead
cam, with dual variable valve
timing (on both the intake and
exhaust sides) with roller - rockers on the
cam.
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.
Compared with the last - gen TT RS, the 2.5 - liter turbo five in the new - for - 2018 model breathes better (thanks to new cylinder head with variable valve lift and duration
timing on the
exhaust cam), weighs nearly 60 pounds less (an aluminum block, magnesium upper sump, and other fat - reducing measures), and makes considerably more power, the byproduct of new port fuel injection and an increase in boost pressure from 18.1 to 19.6 psi.
The Zetec saw some work to lift its output, with new forged pistons, dual - length inlet tracts, a new cylinder head with larger inlet valves and stiffer valve springs, with variable intake
cam timing and a freer - flowing
exhaust system.
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.
Just FYI: HR and Rev - up are different, VQ35 DE with the «rev - up» package added variable
timing on the
exhaust cam (regular VQ only has VVT on intake), and raised the redline to 7500.
It means that by the
time the two other turbos spin into action at 2200rpm,
cams have opened in the
exhaust valve on each cylinder to maximise the turbo's performance.
Like other Ferrari engines, this one also boasts variable
timing on both inlet and
exhaust cams to optimise performance and reduce fuel consumption right across the entire rev range.
Variant name: 111R 16V TOURING, Derivative: MK2, Variant: 111R 16V TOURING This Lotus Elise 111R is powered by the all - aluminium 189 horsepower (141 kW) 1.8 L DOHC Toyota ZZ engine with a Yamaha designed twin -
cam head offering variable valve
timing on both intake and
exhaust valvetrain, and a 6speed manual Toyota C64 gearbox.
This V8 — codenamed Tau — boasts all the bells and whistles — double overhead
cams, four valves feeding each and every piston, variable valve
timing on both intake and
exhaust camshafts and, as the latest party trick in Hyundai's technological portfolio, direct gas injection.
If, besides, you will buy ACL bearings, HKS GT2530 turbochargers,
cams 264/264,
cam gears, Z32 MAF, Splitfire ignition coils, NGK 10 spark plugs, fuel injectors 750 cc / min, BOV, HKS
timing belt and 3.5» performance
exhaust system, you will gain 450 horsepower on the wheels at 15 psi (1 bar) already.
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.
This powerful V8 uses twin - independent variable
cam timing (Ti - VCT) which allows for independent variable control of the overhead intake and
exhaust camshafts.
The throttle body is electronically controlled, the valve
timing variable on both the inlet and
exhaust cams, and the roller
timing chain coated in what Hyundai says is an «innovative anti-friction coating».
The 2.0 L Ti - VCT engine offers dynamic four - cylinder performance with twin independent variable camshaft
timing (Ti - VCT) that continuously adjusts both the intake and
exhaust cams to keep the engine running at maximum efficiency as the engine speed and torque change.
The 2.4 L engine is efficient and lightweight, featuring dual - overhead
cams, direct injection, continuously variable intake and
exhaust timing and electronic throttle control, as well as a lightweight aluminum cylinder block and cylinder head.
Mounted longitudinally (at right angles to the original NSX), the almost square (91 x 89.5 mm) 75 - degree V6 has a usually high compression ratio (10:1) for a turbocharged engine and features a combination of port and direct fuel - injection as well as variable
timing on both inlet and
exhaust cams.
This high - tech engine features innovative M TwinPower Turbo technology — consisting of a pair of twin scroll turbochargers feeding a patented cross-bank
exhaust manifold, High Precision Direct Injection, Double - VANOS variable
cam -
timing system, andValvetronic high - rev throttle-less intake technology.
The FB has an all new block and head featuring dual overhead
cams with intake and
exhaust variable valve
timing (AVCS - Active Valve Control System), and a
timing chain that replaced the
timing belt.
The «intelligent» portion of the system is its ability to continuously vary the
timing (phasing) of the intake
cam relative to that of the
exhaust camshaft.
The intake
cam timing is varied based on input from sensors that monitor rpm,
timing, throttle opening,
cam position and
exhaust air - fuel ratio.
Dual - overhead
cam (DOHC) cylinder heads with high - flow intake and
exhaust ports, in combination with variable - valve
timing (VVT), allow optimum volumetric and combustion efficiency over the full speed and load range.
With an aluminum - alloy design with dual overhead
cams and four valves per cylinder, the MX - 5 uses variable valve
timing on the intake
cam, a low - restriction variable - length intake system, and a low - restriction
exhaust system to make 170 horsepower at 6,700 rpm and 140 pound - feet of torque at 5,000 rpm.
It is a dual - equal
cam phasing system that adjusts camshaft
timing at the same rate for both intake and
exhaust valves.
Over the years have all of the power increases been from software tweaks with
timing and afr changes or have the turbos /
exhaust /
cams gotten slightly bigger?
The
exhaust cams are designed so that the valves open at different
times during the
exhaust process, depending on the firing order.
Cylinder heads and
cam covers Crankshaft: crank pin diameter, connecting rod big - end bearing size and crank counter-weight size are all reduced, to reduce reciprocating weight Crank main bearings and caps High - strength forged connecting rods Pistons and piston rings Titanium inlet and
exhaust valves Intake manifold and throttle body Redesigned Variable Valve
Timing - intelligent Electric motor (VVT - iE) Revised Lexus D - 4S dual injection system Four - into - one
exhaust headers and heat insulators Oil pan and baffle plate Alternator clutch system Engine and transmission oil coolers Spark plugs
V - 6's are okay but give me an overhead -
cam inline - six every
time for smoothness, balance, and mellow tunes flowing from the
exhaust pipe.
250 GMC inline 6 with performance
cam dual Weber carburetors, 4 speed automatic transmission with overdrive, (engine and transmission rebuilt at
time of restoration 322 miles ago), power steering, 4 wheel power disc brakes, power windows, Vintage A / C, leather interior, split windshield with sun visor, dual
exhaust, 4 wheel independent suspension with sway bars, powder coated wheels with factory style hub caps and wide white wall tires, oak bed with chrome bed strips, custom matching oak tool chest and battery cover and running boards.
The engine does make use of dual overhead
cams with variable valve
timing on both the intake and
exhaust sides but does not have direct fuel injection or cylinder deactivation.
Exhibitor: Works Engineering Phone: 306-880-5507 Email:
[email protected] Website: www.works-engineering.com Booth Number: 34238 Customizer / Builder: Trevor Branden Powertrain / Drivetrain: RB26 engine; R33 crankshaft; Greddy turbo,
exhaust header, intake,
timing belt and intercooler; Works Engineering
cam gears, oil catch can, coolant breather tank, grounding kit, fuel pressure regulator and oil cooler; Vipec engine - management system; N1 oil and water pumps; Borla
exhaust; OS Giken twin - plate clutch Chassis: Volk Progressive 19 - inch wheels; Ark coil - overs; Brembo brakes Exterior: Widebody conversion kit; OEM R34 headlights and marker lights; custom airbrushing on hood and rear fenders Interior: Custom Enzo Ferarri leather interior; Audison / Hertz sound system; Works Engineering gauges, quick - release steering wheel and pedals
The AWD FX45 incorporates a 4.5 - liter (4,494 cc) 32 - valve V8 DOHC VK45DE gasoline engine with four valves per cylinder, microfinished camshafts with aluminum - alloy block and heads, low - friction molybdenum - coated pistons, titanium intake and
exhaust valves, modular cylinder heads, microfinished crankshaft, lightweight pistons, super-silent single stage
cam drive chain, and a Continuously Variable Valve
Timing Control System that optimizes opening of intake valves.
An all - alloy 90 - degree DOHC V8, the 63 engine features fuel - injection, high 11.0:1 compression ratio, a variable intake manifold within twin induction system, variable
cam timing on both inlet and
exhaust cams, rigid race - style closed - deck crankcase and linerless, coated cylinder bores.
The engine features dual overhead camshafts with continuously variable valve
timing and increased - authority
cam phasing (increased phase rotation angle), a high - pressure returnless direct - injection fuel system with camshaft - driven fuel pump delivering 750 psi at idle and 2250 psi at full load, higher - flowing intake and
exhaust ports in the cylinder head, electronic throttle control and pistons with jet - spray oil cooling.
Independent variable valve
timing on the intake and
exhaust side have extended
cam phaser range to 60 crankshaft angle degrees of motion.
The Alloytecs»
cam phasers are continuously variable, allowing individual camshaft
timing through 50 degrees of crankshaft rotation (and 50 degrees for
exhaust cam adjustment in Alloytec 190).
Cam phasing is continuously variable within a range of 40 degrees for the inlet valve
timing and 50 degrees for
exhaust valve
timing.
By using one valve per camshaft, controlled by the Electronic Control Module (ECM), each intake and
exhaust cam can be advanced or retarded independently of the other as engine operating conditions change, providing an exceptional degree of valve
timing control.