Last updated Jan 10, 2009
Made by Holden in Australia. I waited 10 years for a car to finally come out that could replace my Supercoupe. I wasn't crazy about the color, and I'm not happy that the dealer put the "sport appearance package" on the car. But none of that matters - the way it drives is so much more important than looks.
Stock LS1 350HP ~ 300RWHP 13.6 @ 103MPH
With the supercharger - 420RWHP 12.6 @ 111MPH
1 of 15,740 2004 GTO's
1 of 700 Cosmos Purple GTO's
1 of 377 6-speed Cosmos GTO's
Cosmos Purple Metallic paint.
6-speed manual trans, T-56.
Dealer installed Sport Appearance Package (slowly being removed and replaced with more subtle components.)
There were no other options for the 2004 GTO.
Darker tail lamps from the Australian CV8-R version of the car.
2005 GTO brakes.
Used Magnacharger kit.
Vecor Motorsports tune.
Custom A-pillar pod with Aeroforce Scangage.
Harrop Rear Differential Cover.
OEM 2005 GTO exhaust
2005 GTO rear fascia
RK Sport rear wing
Lingefelter 255 fuel pump upgrade
Kook's 1 3/4" long tube headers with Convertors
Patriot Gold dual valve springs
Autometer Sport Comp II Fuel pressure and Boost gauges in Banshee center gauge pod
Flowtech blower cam.
Permanent Link to this Car
Jan 9, 2009
Wow I can't beleive it has been this long since I updated the information here. In a nutshell here is what brings you up to speed; Last summer I added Kooks long tube headers, a Lingefelter fuel pump upgrade, and Patriot Gold dual valve springs in an...
Dec 23, 2006
My intent with this car from the beginning has been this; I want it to be quicker in the 1/4 mile than the current Corvette Z06 (I am shooting for 11.7 or better Sec) WITHOUT ANY loss in driveabilty, handling, or fuel economy. I want NO compromises. I...