Found ~2.5 seconds from the last time I was at Main. Optimal was a mid 1:20 but ran into traffic next lap. Still lots of room for improvement to get down to a sub 1:20 with stock power but overall happy with the car and improvement.

GR Supra mods:
-Verus UCW wing, canards, side skirts, rear spats, & rear diffuser
-Sayber Designs front lip & chassis mounted splitter
-Swift lowering springs
-Eventuri intake
-Armytrix catless downpipe
-RK Titanium single exit exhaust
-JB4 (Map 0: Stock power)
-xHP Transmission tune (Stage 3)
-Desmond Regamaster EVO II (18X10.5 +35)
-Kumho V730 275/35 square
-Bride Zeig IV wide seats
-Narita Dogfight x TRS Pro 6 point harness 
-JQ Werks steering wheel