I'll play along for posterity's sake with the last iteration of this particular body setup:
Year: 1989
Engine: 1jz-gte
Tranny: R154
Options: ABS, AC, power seats/mirrors
Roof: Targa
Body: Stock, MkIV TT 17x8 wheels with 255/40/17 Continental DWS tires
Weight Reduction: PWR radiator (but holds more coolant, so... a wash?), Stance coilovers, upper rear seats deleted, spare tire deleted, most sound deadening deleted (argh, damn previous owners), JZA70 hatch carpet in place of board/side bins, light weight driver...
Added Weight: Full fuel tank, some extra audio equipment, small fire extinguisher, 4 point Cusco roll cage, couple snow scrapers
Weight: 3700 lbs (curb weight), 3820 lbs (me in it), 1681-1736 kg