what kind of 1/4 mile times will my bone stock 2.4 2007 G6 churn out, some say its a slow 18 sec pass, which would be very disapointing. my 05 2.2 ecotec sunfire with e3 plugs and intake, automatic, ran a 16.30 @84.31 mph, which is a lighter car. Just curious on what I have to work with stock.