Speed Inc.- ZL1 600RWHP package results!
Vito brought us his 2013 Automatic ZL1 for our 600RWHP package which consists of Metco upper and lower pullies/balancer/idlers, Speed Inc custom cam package, TSP Long tube headers, M2W exhaust valve controller, Rotofab high flow induction, ID850 Injectors, thermostat, TR7IX plugs, Fuel Pump booster, installation and of course custom dyno tuning. Results were 619RWHP/604RWTQ at the same A/F ratio as stock (12.2:1), with a more conservative 11.8:1 A/F ratio it still made 604/608. Run 1 is baseline stock
ZL1 Convertible with Speed Inc 725HP (600RWHP) Package on the Dyno - YouTube