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2007 onwards HR engine and spec/colour changes (Nissan GB)


Samoht

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Browsing around for info and found this https://uk.nissannews.com/en-GB/releases/release-13113-2007-nissan-350z-prices-announced?

Might be useful for buying. 

 

Apologies if this has been previously posted or is in the wrong place.
 

Copying here, since previous Nissan press releases have subsequently vanished from their site leaving dead links here

 

--

 

FOR IMMEDIATE RELEASE

27 April 2007

 

2007 NISSAN 350Z PRICES ANNOUNCED

 

Nissan has announced the price of the new 350Z, with its uprated engine, to give a starting figure of £26,795 OTR for the Coupe and £28,295 OTR for the Roadster, representing an increase of only £300. This also includes the recently announced rise in road tax (up £90) and the first registration fee (up £12). Vehicle deliveries are expected to start from mid May.

 

Changes to the award winning 350Z include an 80% new engine which has meant, due to its taller stance, that the front bonnet has had to be discreetly redesigned with a slightly raised profile, giving it a look reminiscent of the original 240Z. There are also three new exterior colours on offer – Temper Orange, replacing Sunset, which contains a subtle green “flip” when seen in soft light conditions. Twilight Grey and Night Blue complete the new shades replacing Gun Metal Grey and Azure Blue respectively. Solid Red, Universal Silver and Ebisu Black continue to remain available. 

 

Inside, a new no cost option trim has been introduced called Frost. It has a pale grey tone and adds a touch of sophistication to the car’s interior.  On the Roadster the frost trim can be ordered with a new grey coloured roof hood, also at no extra cost, replacing the previous availability of blue.

 

Safety and on road refinement has also been improved with the fitment of Active Headrests, to minimise the chances of neck injury in the event of a rear impact, plus the change over to Bridgestone Potenza RE050A tyres which aid refinement without losing any level of grip.

 

An illuminated ignition switch is the only other change made to the new model with all other levels of equipment remaining unchanged. As a memory jogger these include 18” RAYS forged alloy wheels, voice prompted phone activation with Bluetooth, gear change indicator, climate control air-conditioning, 6 CD auto-changer with cassette facility and 4 speakers. Keeping you safe on the road are anti-lock brakes with Switchable Electronic Stability Control, bi-xenon headlamps plus, should they be needed, front, side and curtain airbags.

 

The GT pack which is a further £2500 includes heated and electric powered leather sports seats, a 240W Bose radio / cassette 6 CD autochanger with 7 speakers including a 10” sub woofer and audio pilot noise compensation technology, and cruise control. Alezan orange interior is a further £400 and if you want Birdview Satellite navigation then add £1200.

 

The HR in the engine code stands for High Revolution and High Response designed to improve the overall acceleration, feel and sound of the unit. Power is increased by 13PS giving a total of 313PS at 6800rpm with a further 500rpm added to the top end of the rev range – now standing at 7500rpm. However, the real difference will be noticed lower down with 90% of the 358Nm torque (up 5Nm) being achieved at just 2000rpm (maximum at  4800rpm). These changes allow performance figures to improve with 0.1 of a second shaved off the 0-62mph time which means the Coupe now takes 5.7 seconds and the roadster 6.1. And, there is no change to either the combined fuel consumption figure or the CO2 emissions; 24.1mpg and 280g/km respectively for the coupe and 23.5mpg and 288g/km for the Roadster.

 

How do you change 80 percent of an engine that has been voted as one of the top ten engines in the world for the last 12 years*? Please read on…

 

Measures

The following are the main changes that made the performance increase possible:

  • A block deck height increase reduces the angle at which the piston presses down the conrod. This diminishes the piston side forces and increases the rev limit
  • Crank journal diameter increased
  • Crank pin diameter increased therefore friction reduced and rev limit increased
  • Twin symmetric air intake system therefore increased ram-air pressure effect and improved intake noise
  • Raised piston crown gives higher compression 10.6 (instead of 10.3:1)
  • Smaller intake and exhaust valve diameter for better air flow at small valve opening
  • Improved coolant flow: higher speed around spark plug (smaller diameter) and pipes in every cylinder giving cooler combustion chambers, allowing more spark advance and eliminating knocking
  • Straight intake channels (manifold and head) give improved air flow to combustion chambers


Other modifications include:

  • Valve springs with increased load rate by 25% and stiffer oil pump rotor material (+20%) è massive reduction of vibration level è rev limit up.
  • Twin knock sensor instead of single type è recognises knocking at earlier stage è allowing more spark advance and eliminating knocking.
  • Stiffer crank shaft housing è less vibrations è reduction of mechanical noises.

 

Results from VQ35 HR

  •  Max. output: 313 PS @ 6800rpm
  • Torque: 358 Nm @ 4800 rpm
  • Rev limiter at 7500 rpm (up from 7000)
  • Engine centre of gravity lower by 15mm

 

 

 

Specifications

 

 

 

MY07

MY06

+/-

 

 

Coupe
Z33E

Roadster
Z33T

Coupe
Z33D

Roadster
Z33S

 

 

Some technical specs

Displacement

cm3

3498

3498

3498

3498

 

Output

PS @ rpm

313 @ 6800

313 @ 6800

300 @ 6400

300 @ 6400

13

Torque

Nm @ rpm

358 @ 4800

358 @ 4800

353 @ 4800

353 @ 4800

+5

Compression

 

10.6 : 1

10.6 : 1

10.3 : 1

10.3 : 1

+0.3

Specific output

PS/l

89.48

89.48

85.76

85.76

+3.7

 

Performance

Top speed
(electronically lim.)

mph

155

155

155

155

0

Acceleration
0-62mph

s

5.7

6.1

5.8

6.2

-0.1

 

Fuel Economy

Combined

mpg

24.1

23.5

24.1

23.5

0

Urban

16.8

16.6

16.9

16.6

-0.1/0

Extra-urban

32.1

30.7

31.7

31.0

-0.1/+0.1

Emission CO2

g/km

280

288

280

288

0

 

 

 

 

 

 

 

                 

 

*Ward’s has nominated the VQ35 engine one of the 10 best engines in the world for the last 12 years.

 

Both 350Z Coupe and 350Z Roadster models have a 12 months’/9000 mile service interval and are covered by a three-year/60,000 mile warranty. There’s also a 6-year anti-perforation warranty.

 

ends…

 

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