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.
Acoustics are further improved by the inverted teeth of
the cam drive chain.
Not exact matches
Fortunately, on the road, together with the gear whine and the rising and falling of the
chain -
driven cams, it makes for a beautifully intoxicating sound from the inside.
The only time I've ever come across a tundra 5.7 that needed a new
chain, was when someone neglected oil changes for 2 yrs, and
drove it until the oil caked up and sludge had built up so bad, which snapped the
cam chain, but even then the timing
chain was still in tact.
Complementing the Si's rigid structure and sport suspension is its 2.0 - liter powerplant, the same eager twincam 4 - cylinder with
chain -
driven overhead
cams found in the standard Acura RSX.
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.
Engineering details also extend to a roller -
chain cam -
drive sprocket lined with rubber for added noise reduction.
A low - friction, roller -
chain cam drive contributes to fuel efficiency.
A low - friction, silent
chain drives dual overhead
cams and four valves per cylinder.
The CDTi engine has
chain -
driven cams, so there are no concerns about belt changes.
A silent -
chain drives dual overhead
cams and four valves per cylinder, and features a double - arm tensioner design that reduces operating friction.
The 2.0 - liter four - cylinder employs such NVH - reducing features as a
chain -
driven balancer unit in the oil pan; a highly rigid, ferrous - carbon inserts in the main bearing caps for added rigidity; a one - piece crankshaft carrier; a silent
chain cam drive; and a stiff, cast - aluminum oil pan.
A low - friction, silent -
chain drives dual overhead
cams and four valves per cylinder.
The heads used dual overhead
cams driven through the «maintenance - free»
cam -
drive chain case.
It has
chain -
driven dual overhead
cams and four valves per cylinder, but is an even - firing design with a split - pin crankshaft similar to the Buick 3800 engine.
ENGINE Type 12 - cylinder, 6 - litre twin - turbocharged engine Installation Front, longitudinal, all - wheel
drive Construction Alloy heads and block Bore / stroke 84 x 90.2 mm Capacity 5998cc Compression ratio 9.0:1 Valve gear
Chain -
driven DOHC per bank, 4 valves per cylinder,
cam phased inlet and outlet Power Flying Spur: 552bhp / 560PS / 412kW @ 6100rev / min Flying Spur Speed: 600bhp / 610PS / 449kW @ 6000rev / min Torque Flying Spur: 479 lb ft / 650Nm @ 1600rev / min Flying Spur Speed: 553 lb ft / 750Nm @ 1750rev / min Fuel 98 (95) RON
ENGINE Type 12 - cylinder, 6 - litre twin - turbocharged engine Installation Front, longitudinal, all - wheel
drive Construction Alloy heads and block Bore / stroke 84 x 90.2 mm Capacity 5998cc Compression ratio 9.0:1 Valve gear
Chain -
driven DOHC per bank, 4 valves per cylinder,
cam phased inlet and outlet Power GT Speed: 600bhp / 610PS / 449kW @ 6000rev / min GT: 552bhp / 560PS / 412kW @ 6100rev / min
Engineering details even extend to a roller -
chain cam -
drive sprocket lined with rubber for quiet operation.
For added durability, the engine features a forged - steel crankshaft and connecting rods, and
chain -
driven dual overhead
cams.
In moderate overlap crash tests conducted by the IIHS, the 2010 - 2014 4 - door GTI has received «Good» rating Pros: Fun to
drive, responsive engine, reasonable fuel economy, dashboard layout, supportive front seats, interior fit and finish Cons: Premium gasoline recommended, expensive to maintain, lack of storage space Common problems: Problems with an early version of the
cam chain tensioner can cause a rattling noise at startup.
Technical Data Bentley Continental Supersports: Light Alloy W12 - cylinder - engine (72deg angle between two main banks, 15deg between staggered cylinders), bore x stroke 84 x 90.2 mm, capacity 5998 cc; 4 valves per cylinder,
chain -
driven DOHC per bank,
cam phased inlet and outlet; Bosch digital engine control, twin turbochargers, 600PS / 621 bhp / 449kW) at 6000rpm, torque 800Nm (590 lb ft) at 1700 to 5600rev / min; Fuel E85 & 98 (95) RON; ZF 6 - speed «Quickshift» automatic gearbox; continuous four - wheel
drive with 40/60 rear bias torque split, central Torsen differential; suspension front: four - link double wishbones, computer - controlled self - levelling air suspension, anti-roll bar; suspension rear:: trapezoidal multi-link, computer - controlled self - levelling air suspension, anti-roll bar; dampers: continuous damping control with four adjustable settings, electronic traction control, electronic stability program; carbon / ceramic brakes, cross-drilled, front discs 420 mm diameter, rear 356 mm diameter; HBA «Hydraulic Brake Assist» and EBD «Electronic Brakeforce Distribution», MSR drag torque control; kerb weight 4,939 lbs (2240 kg), wheelbase 108.07 in (2745 mm), track front 63.9 in (1,623 mm), track rear 65.2 in (1,657 mm); wheels 20» x 9.5 J 10 - spoke (black chrome or painted) with tyres 275 / 35x20 Pirelli P - Zero UHP; electronic tyre pressure monitoring system; max.
The hybrid's 2.0 - liter Atkinson cycle engine has no accessory or other belts and uses a
chain drive for the overhead
cam so no regular rubber belt replacements are needed.
The intake
cams are
driven by a double
chain from the crankshaft, and small gears on the intake
cams in turn
drive the exhaust
cams.
The hardware list includes super-stiff forged billet steel crankshaft, forged, weight - matched connecting rods and pistons, lightweight AMG - specific
chain -
driven single overhead camshafts V8 (one
cam per cylinder bank) with two intake and one exhaust valves per cylinder, as well as 8 coil packs and 16 spark plugs (two spark plugs per cylinder).
The engine is extremely sophisticated with
chain -
drive dual overhead
cams and Audi's TFSI direct injection.
The dual camshafts, which are
chain -
driven, employ Dual Variable Valve Timing with intelligence (Dual VVT - i) for optimal
cam timing — and therefore maximum power production - at all RPM levels.