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Nissan eventually plans to phase out the V6 for a turbocharged four-banger

Looming EPA regulations have resulted in big changes in the automotive world. We've seen a number of V8 engines give way to turbocharged V6s, while V6 engines in midsize sedans are being tossed or replaced with turbocharged inline-4s.
 
We're also on the cusp of seeing huge weight reductions for iconic automotive nameplates. The Ford is reportedly eyeing a 700-pound weight reduction for the next generation F-150 and a 400-pound weight reduction for the next Mustang.
 
According to a new report from Motor Trend, another fan favorite is going on a diet all in the name of performance and fuel economy concerns. The next generation Nissan Z (codenamed Z35) will lose two inches in width and a whopping 400+ pounds. The huge weight reduction would put the next generation Z below 2,900 pounds.


2013 Nissan 370Z
 
Motor Trend's sources indicate that while Nissan plans to offer the next generation Z with a V6 when it launches, the "master plan" is to phase out the V6 entirely in favor of a turbocharged, 2.5-liter inline-4. The turbo four will reportedly pump out 330hp, putting it on par with the 3.7-liter V6 used in the current 370Z.
 
The weight reduction and move to four-cylinder power should allow the new Z to achieve EPA numbers far better than the current car’s 18/26 mpg (city/highway) with a manual transmission.

Source: Motor Trend



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RE: Turbo vs Naturally aspirated
By lagomorpha on 8/28/2013 8:17:39 AM , Rating: 2
It really depends on the engine. If you've got something that's already pretty solidly built and has pretty big injectors but has a high compression ratio (for example a Hayabusa engine) then you can usually get away with just installing a thicker headgasket to reduce the compression ratio and you can use a turbo without knocking. On the other hand if you feel like installing a turbo in a Hayabusa you might consider seeing a psychologist.


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