Geigercars loves American cars with a passion. The German tuner work their magic on American cars with great success. The stock Z06 comes with a very respectable 512 hp, the Geigercars Z06 manages with 542 hp. But the new range topping Geigercars Black Edition Z06 extracts 592 hp from the LS7 7.0-liter V8 engine. The […]