Some stickier tires should help those times. Did you try launching at different RPMs too? Maybe a lower RPM with rolling on the throttle will help the 60' times. Still decent times for a stock car! I havent ran mine at the track yet but I plan on it at least a couple of times.
2011 Space Grey 135i Manual Coupe Sport
06 GTO , 06 WRX, 59 Bug, 03 Dakota R/T, 03 SV650