I think another tenth off your 60ft is not out of the question which would give you a 13.15-13.2@104+
PPK alone would have you then in the 12's!
'98 Dinan/RMS stage 2+(VAC cams, CES Cutring etc)
'15 Buick Regal "T"(wife)
'06 Saab 9-5 Combi 5mt (full suspension, LSD, clipped turbo etc)