Autoblog

Nissan has revealed details about its next-gen V6 engines, which will first appear in the 2007 Nissan Skyline / Infiniti G35.

The 3.5L VQ35HR and 2.5L VQ25HR feature new blocks and a host of new key components. The highlights of the engines' improvements are a 7,500 RPM redline (up from 6,600 on the previous-gen VQ), a 10% increase in fuel economy, and a SULEV emissions rating.

The VQ35HR (pictured at right), as applied in the '07 G35, will be good for over 300 horsepower, but Nissan has yet to divulge an exact number. In Japan, the '07 Nissan Skyline will be available with both the 2.5L and 3.5L engines, as was previously the case. The last-gen VQ25 made 210 horsepower -- a number that will undoubtedly go up with the introduction of the VQ25HR. There are currently no known plans to use the 2.5L V6 in North America.

Key specs of the new VQs are listed in the press release after the jump, and Nissan also released audio of what the VQ35HR sounds like, which you can stream by clicking here.

The release of the details surrounding the new powerplants has prompted enthusiastic discussion over at the FreshAlloy.com forums, where Nissan/Infiniti fans have also posted some X-Ray-type shots of the 2007 G35/Skyline's new intake and exhaust systems.

Thanks Jason for the tip!

(Press release after the jump)

[Source: Nissan via FreshAlloy.com forums]