Hennessey takes 2009 Corvette ZR1 up to 755-hp

As if the 638-hp 2009 Chevrolet Corvette ZR1 wasn’t powerful enough already, Hennessey Motorsports has decided to offer two performance package upgrades for the Chevy beast that takes it up to a total of 755-hp.

The first package, known as the ZR700, adds a supercharger pulley and blower snout upgrade, an intercooler system upgrade, a K&N air filter and a reprogrammed EMC (engine management computer). All that allows the 2009 ZR1 to produce 705-hp with a maximum torque of 717 lb-ft. 0 to 60 mph in just...
Read Article

golfer38 - 1/29/2009 10:33:02 AM

+1 Boost

I think the ZR1 is to good to modify unless you're strickly 1/4 mile-ing it...

Spectator - 1/29/2009 3:29:50 PM

+1 Boost

Wow. That was an incredibly slow RT. That car could have easily broken into the 10's.

Agent63 - 1/30/2009 6:26:33 AM

+1 Boost

I honestly don't think the power upgrade will do much in terms of track times. The tires will be spinning so out of control it may even degrade the potential of the car.

pnsb24a - 2/6/2009 4:36:09 PM

+1 Boost

HENNESEY??? PLEASE --now there is a reputation