ran a 13.3 wednesday night for a new PR. i am using 104 autolites with ~13psi
You have an Xp cam, E85 and are running a 2.8 and only ran a 13.3? Driver mod? Post your slip if possible cause i'm wondering what your 60 ft was.
Maybe a good set of slicks can get you close to 12's.
Comp G. E85, 2.8, Headers, Tune, Intake, S1X, 105# springs, 60 # injectors, 255 walbro,etc.