06-25-2007, 03:29 PM
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#1 (permalink)
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VM Member
Posts: 69
Location: Montreal, Qc
Join Date: Apr 2007
Ride: Mazda RX-8 2005
Fav Mod: Cold air intake
Class: Street
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2008 Infiniti G37
Facing off with the BMW 3 Series coupe: 2008 Infiniti G37
Quote:
The 2008 Infiniti G37 Coupe is a fully updated version of the G35 coupe that put Infiniti on the map as a serious player in the market for premium sporting coupes. There's a new engine, new front suspension, updated styling both inside and out, and slightly altered dimensions.
The real news is the power plant, which received an increase in displacement to 3.7 liters thanks to a 4.6mm increase in stroke. Nissan's Variable Valve Event and Lift (VVEL) now alters valve timing and lift on the intake valves. Compression is increased from 10.6:1 to 11.0:1. These tweaks combine to increase output to a projected 330 horsepower and 270 pound-feet of torque. That's 30 hp more and 30 lb-ft less torque than BMW's 335i coupe. It represents an improvement of 24 hp and 2 lb-ft over the current G35 coupe's 3.5-liter V6.
Transmission options include a five-speed automatic, which is shared with the G35 sedan but includes a new calibration and modified torque converter characteristics. It also comes with shift paddles behind the steering wheel. Alternatively, there's a six-speed manual that is modified from the sedan to reduce vibration. Its clutch is also refined for smoother engagement. The test car we drove, however, featured the G model's five-speed automatic transmission.
The basis for the G37 is Nissan's revised FM (Front Midship) platform, which now boasts a 36-percent increase in rigidity over the G35 coupe. The front double-wishbone suspension now has a single, lower ball joint instead of the previous double ball-joint arrangement in order to reduce steering kickback. Rear suspension remains a multilink setup.
When the G37 is equipped with a sport package (as was our test car), it will feature the largest-diameter brake rotors in the segment. Fourteen-inch rotors are stopped by four-piston (two per side) front calipers. The rear setup will include fractionally smaller 13.8-inch rotors and conventional single-action two-piston calipers. In dynamic bench tests, the larger front rotors helped reduce brake temperatures by 100 F compared to the G35's sport-package brakes, which should translate directly to better fade resistance.
Four-wheel active steering (4WAS) steers the rear wheels up to 1 degree based on input from an array of sensors, and it will be available on coupes with the Premium Package. Adding in small amounts of rear steering effectively changes the overall steering ratio between 12:1 and 20:1. Rear steering is currently a $1,500 option on the 2007 Infiniti G35 Sedan, so we expect a similar price structure for the coupe.
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Taken from: http://www.edmunds.com/insideline/do...cleId=120061#2
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