With a claimed top speed of 190 mph, GeigerCars is getting the feeling that many are running out of patience waiting for Chevrolet
to release the ZL1. So if you can't wait a moment longer, then GeigerCars has an immediate answer that's for sale. The tuning company has just unveiled a new tuning program for the famed muscle car that should satisfy many. The 6.2-liter V8 has been outfitted with a supercharger, a revised ECU, and a stainless steel sport exhaust system.