2015 Corvette Z06 on our Dynojet idling after being tuned. Car made excellent power and torque on 93 octane only. Mods List: Stage 2 Camshaft Cordes 5” Intake Griptec 2.3 Upper Pulley ATI lower Balancer Alky Control Methanol Injection System ARH Headers w/X-Pipe Blower Coolant Expansion Tank Katech Valve Covers Tuned in House By Powertech Performance