I manager to do 1.47.5 with old street tires. Better times will come with slick.
@slick_c5z06tt

Engine 1.8t 350whp 
2450# weight 
8 point roll cage
JE pistons
Eagle Rod
Stock heads and cam
IE valve and springs to rev up to 9k
Forger Oil pan with buffler
External catch can
3071GT turbo
Tial 50mm wastegate
Tial 44mm blow off valve
Custom intercooler and pipes
External oil cooler
Willwood 312mm front brake kit
Stock rear brake
Willwood Stainless brake lines
OEM Master cylinder
Motul Racing DOT oil
Silver project camber -3.5 negative
VS Racing wheels 17x9 rear 17x8 front
Toyo R888 tires
H&R 19mm wheel spacer
Magnafuel pump 750pro
Aluminum 10ga fuel cell
4x220# Bosch injectors primary
4x80# Bosch injectors secondaryl
Fueltech long run intake manifold
90mm throtle body
Fueltech FT500 ECU
Fueltech traction control
Stock O2M transmission (steel fork)
Open diff
Recaro carbon seats
5 point sabelt seat harness
Gforce axles
Euro logic 108mm axle spacer
Moog front wheel bearing
Newspeed 28mm rear swaybar
HD end link
Stock front swaybar
BC Racing 12k 675 and 14k 800# springs
Godspeed coilover with 32clicks
Polyurethane bushings