I do not have the track pkg....should i use the 5/50?
5W50 is overkill for these motors IMO.
If you don't intend on racing the car, 5W30 is the way to go for summer driving and 5W20 for winter.
2014 GT - Track Pack, Leather Recaros, Electronics Package, Back-up Camera - Ported CJ Manifold, SCJ Mono-Blade TB, Custom Intake, Kooks 1-3/4" LT's, Kooks O/R H-pipe, Borla S-Types, AED Tuned - 443 RWHP / 388 RWTQ
Ordered: 3/19/2014 - Built: 5/13/2014 - Delivered: 5/19/2014