We run 13.5 boosted, which is a bit different, but the 4 fastest cars run: A Reedy Sonic, a Trinity Duo 1 with a 1S rotor, and 2 LRP X12s. Proper gearing and roll out with good car set up are what matters. If you haven't bought the ESC yet, consider the SXX Stock Spec, it eliminates the RX pack.