Add it yourself...
Air Flow Meter Adjustmenthttp://www.celica-gts.com/resources/how-to/afm_adjustment.html
test the Throttle Position Sensor on a GT4 ST165http://www.gtfours.co.uk/how_to/test_tps/tps.htm
test the Air Flow Meter on a GT4 ST165http://www.gtfours.co.uk/how_to/test_afm/afm.htm
remove and port TVIS (Variable Induction System) on a Toyota Celica GT4 ST165http://www.gtfours.co.uk/how_to/tvis/tvis.htm
Celica ColdAirhttp://www.tscperformance.com/celica_coldair.htm
DIY Intakehttp://www.emotors.ca/Articles/149.aspx
Supra Air Fuelhttp://www.tscperformance.com/supra_airfuel.html
fit an intake air temperature monitor to a Toyota Celixa GT4http://www.gtfours.co.uk/how_to/temp_monitor/temp_monitor.htm
Installing an Apexi S-AFC II on the SThttp://www.6gc.net/howto/install_apexi_safc2
Zex Nos Kit Installationhttp://www.toyotacelicaonline.com/nos1.htm
Open Element Air Filterhttp://www.celica-gts.com/resources/how-to/open_element.html
Supra AirFlowhttp://www.tscperformance.com/supra_airflow.html
Gas flowed Throttle Body on a GT4 ST165http://www.gtfours.co.uk/how_to/tb/tb.htm
Building a Cold Air Intake for the SThttp://www.6gc.net/howto/build_st_cold_air_intake
Supra Intakehttp://www.tscperformance.com/supra_intake.html
DIY Intakehttp://www.toyotacelicaonline.com/intake1.htm
Resetting your Air/Fuel Mixture Ratiohttp://www.6gc.net/howto/reset_your_air_fuel_ratio
Vacuum Diagram of Japan Cars Toyota, MMC, Nissanhttp://alflash.com.ua/Vacuum.htm
Tune Up My Car or Truck Information Car Repairhttp://www.2carpros.com/how_to/how_to_tune_up.htm
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