投稿者コメントに、スペックがあったので載せておこう↓
アメリカだとトヨタの下請け部品メーカーが、スープラの純正部品の生産販売を続けており、部品入手には困らないようです。今でも新品部品でエンジン組めるようです。
しかも強化品もあったりする。
自動車の国アメリカならではです。

1600馬力のFR、加速感は一体どんな感じでしょうか。

Real Street Performance is no stranger to building sick Supra's... But Geo's Supra is something special! This car had a fantastic year at the dragstrip, Lambo hunting at TX2K, and now to top it off they made an impressive 1603whp on the dyno! Tuned by no other than Jay Meagher, this car was built to perform and IT PERFORMS! Not to mention it still has A/C and is street driven!! Geo's supra get the official TRC stamp of approval!!

Engine:
Real Street RS1600 built by Jay Meagher 3.4L 10.0:1 featuring
Brian Crower 94mm Billet Stroker Crankshaft
Real Street Spec Custom Max Effort CP Pistons with DLC coated .250 wall 9310 pins
Manley Turbo Tuff Rods with ARP 625+ Bolts
Real Street Billet Main Caps
ARP Main Studs
OEM Headgasket
ARP 625+ Studs
Headgames Race Head
Shimless Buckets
GSC S2 Camshafts

Induction:
Gato Dual Fuel Rail Intake Manifold
Ktuned 90mm Throttlebody
ETS Race Intercooler
Tial Blow off Valve
RSP Turbo kit Featuring Precision Billet CEA 8685 GT42 Turbocharger Ball Bearing
Precision 46mm wastegates

Electronics：
Motec M800 Tuned by Jay Meagher
All options including logging, lambda, 10/12 expander etc
M&W Pro 16D Ignition
Bump Box
Motec Individual EGT

Fuel：
Weldon 2345 Fuel Pump
JMS Voltage Booster 16V
Weldon Regulator
6x Injector Dynamics ID1000
6x Injector Dynamics ID2000
Nitrous Express Direct Port Nitrous System
NX Single Fogger Nitrous Kit

Cooling：
Koyo R Spec Radiator
OEM Fan Setup
2 Coolers for Transmission

Drivetrain：
FTI Stage 5 TH400
FTI Converter
Driveshaft Shop 9" IRS Conversion with Pro Axles and Carbon Driveshaft
Suspension
HKS Drag Coilovers
18x9 RT-S Black Fronts 245/40/18 Dunlop tires
15x10 RT-S with Beadloc 275/60/15 Mickey Thompson ET Pro


1400馬力になっているので、パワーアップ前の走りかな↓
2000馬力のツインターボガヤルドに勝ってます（笑）

1400HP "Lambo Killer" Supra @ TX2K15!

Geo's INSANE 1600WHP Supra - Real Street Built
https://www.youtube.com/watch?v=GpyPjOBbuxI
1400HP "Lambo Killer" Supra @ TX2K15!
https://www.youtube.com/watch?v=95PxSCanNv0