đź“° Auto News Road & Track Tests the 2009 Hennessey GTR600

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http://www.roadandtrack.com/article.asp?section_id=10&article_id=7979

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The first thing Hennessey worked on was on the twin-turbocharged V-6. The factory turbochargers were modified with new 47-mm compressor wheels, with boost set at 17 psi. There's also a long list of new parts (under the company's SUMO brand) that includes the exhaust system, ECU, intercooler piping and wastegate actuators. All this results in 642 bhp at 6400 rpm and 611 lb.-ft. of torque at 4500 using premium gasoline (Hennessey claims that it'll pump out 700 bhp with racing fuel and boost turned up to 21 psi).

And man, does this make a difference at the dragstrip. The launching system limited engine revs to just about 2700 rpm with VDC on or off. Take your foot off the brake pedal, and you could swear the GTR600 is about to go airborne as it leaves the line. The GTR600 hit 60 mph in a scant 2.9 seconds and reached 100 mph in 6.5. The quarter-mile mark goes by in10.8 sec. at 130.4 mph. Hard to believe, but this thing made the GT-R SpecV feel slow...With race gas and the boost turned up, the GTR600 hit 193.8 mph in the standing mile, said Hennessey, and it hit 150 mph in just 14.3 sec.

Hennessey Performance Engineering has started taking orders for the GTR600 (call (979) 885-1300 or go to hennesseyperformance.com). The cost of Hennessey's tweaks with installation included is $38,800. Add that to the base price of the Nissan GT-R, and you get a total price of $118,090.

http://www.youtube.com/watch?v=LS0l0PejmQw
 
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