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TOKYO — Nissan is planning to shoehorn the 4.5-liter V8 that powers several Infiniti models into its 350Z sports car to create a 400-horsepower hot rod.

The muscled-up coupe would be called the 450Z, says U.K. magazine Autocar. So far, the more powerful coupe has not been confirmed for production, but Nissan is seriously considering it in a bid to compete with the likes of Porsche.

The 450Z could also have an Audi quattro-style four-wheel-drive transmission in order to make sure the V8's output can be safely transferred to the road. The only problem is that the V8 currently doesn't meet all worldwide emissions rules. But Nissan is planning to modify the engine to meet Euro IV standards as it's planning to launch Infiniti in Europe in early 2007.

What this means to you: More power means higher price and more profit for the car companies, but it's not exactly going to please the environmental lobby.

(stolen from http://www.edmunds.com/insideline/do/News/articleId=108154 )

All i have say is :OMG:

If this isnt the 1st post about this srry, i searched but didnt see anything
 

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i am not sure about this one. The cost for the car ane other things might play a major role for someone thinking of buying it... not sure...
 

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I'd rather a TT than a NA V8.
Nissan updated the VQ line for 2007. The 3.5 L VQ35HR (for "high revolution" or "high response") is likely to see front-drive use int the future as well.

A wiki page dedicated to the VQ35HR: Link

The VQ35HR produces 306 hp. (This power rating may be incorrect. Nissan had 306hp listed in the initial press release, but quickly removed this number. No official announcement has been made.

It is used in the 2007 Infiniti G35 Sedan. The G35 Coupe will keep the current VQ35DE engine for the 2007 model year.
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The 3.5 L (3498 cc) VQ35DE is used in many modern Nissan vehicles. It adds variable valve timing and has a bore of 95.5 mm and stroke of 81.4 mm. With the same exact block found in the VQ30DE. Output ranges from 240 hp to 301 hp (179 to 225 kW) and 246 ft·lbf to 287 ft·lbf (334 to 390 Nm).

The VQ35DE is built in Iwaki, Japan and Decherd, TN. It was on the Ward's 10 Best Engines list for 2002 through 2006, the only engine to be on Ward's list every year since its inception.

The VQ35DE has an aluminum engine block and aluminum DOHC cylinder heads. It uses SFI fuel injection, has 4 valves per cylinder with VVT, optimizes opening of intake valves and features forged steel connecting rods, a microfinished one-piece cast camshaft, and Nissan's nylon intake manifold technology. It has low-friction molybdenum-coated pistons. The intake System is a high-flow tuned induction system.

A modified version of the VQ35DE, called the S1 is produced by Nismo for the Fairlady Z S-Tune GT. It produces 300 ps or 285 hp (220 kW) at 7200 rpm - a higher rev-limit than that of the original VQ35DE. The 350Z GT-S concept is equipped with a switchable Novidem supercharger produces around 377bhp with the supercharger switched on, the engine may possibly be reffered to as the VQ35DER if the GT-S goes into production.
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AND THE BIG BAD V8
The VK56DE is a 5.6 L (5552 cc) version built in Decherd, TN. Bore is 98 mm and stroke is 92 mm. Output is 305 hp (227 kW) at 4900 RPM with 375 to 390 ft.lbf (509-522 Nm) of torque at 3600 RPM. It has aluminum-alloy block and heads and low-friction molybdenum-coated pistons. The valvetrain is a dual overhead cam (DOHC). It has 4 valves per cylinder with microfinished camshafts and cast-iron cylinder liners for increased durability.

Applications:

Nissan Armada, 317hp (2007 model year)
Nissan Titan, 317hp (2007 model year)
Infiniti QX56, 315hp
 
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