Bought an 89 supra turbo. Racing?

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Put a lightweight flywheel in it, I also suggest a stage 3 clutch.
CAI and exhaust, is a must the car has to breathe.
Rebuilding the engine would greatly benefit your performance, and prevent it from blowing up as long as you don't redline it all the time.
you can go with lowering the car for better aero.
wheels and tires can also increase performance due to grip, a softer tire preferred,
Maybe Falken..
and if you increase the HP too much you have to get stronger axles.

CAI + Exhaust
Lightweight flywheel + Clutch
Wheels + Tires
Lowering Springs


I have a 1991 CRX, with CAI + High flow Muffler - Cat, JDM short shift kit, Wheels + Tires
Stage 3 clutch + 9lbs. Flywheel. the clutch and flywheel alone make it more fun and acceleration is insane. Removed the A/C for +2hp and removed it and other stuff for a weight reduction of about 110lbs.

I haven't ran it quarter-mile because it has 234k on original engine and it needs to be rebuilt. Keep in mind the lighter flywheel will make it harder to drive and it get worse gas milage on the freeway.