Pirelli run-flats on stock chrome C5 wheels provide the rolling power, with black powder- coated calipers handling the whoa-power.
STARTING & DRIVING THE C5 Once all of the electrical system tests are complete install the BLUE wire onto the soldered pigtail on the vehicle.  If you have installed larger injectors you will need to upload the tuning before starting the vehicle. Refer to the tuning installation manual supplied with your kit. With the tuning installed on the vehicle, remove the stainless oil supply line(s) from the oil inlet of the turbo and insert it into a suitable container. Start the vehicle and let it IDLE ONLY until the oil lines are flushed out well (usually about ½ quart) then shut off the engine. Clean the fittings and reinstall the oil line onto the oil inlet of the turbo fitting. Check the oil level in the engine and fill to the manufactures specifications. Start the car and let it IDLE ONLY for 5 minutes. If the oil alarm buzzer sounds or you see any oil coming out of the tailpipes shut the vehicle off immediately and refer to the electrical system test page.  While running, check under the vehicle as well as in the engine compartment for any oil/fuel leaks. If there are any leaks shut the vehicle down and address the leak before running the vehicle. After the car has run for 5 minutes shut it off and check the oil level again and fill if necessary. The STS oiling system will take ½ - 1 quart of oil.  First Drive: Test drive vehicle as per the tuning instructions which you received with your STS tune. If you are not using the STS tune, make sure that the tuning is correct BEFORE boosting the vehicle! Make sure that the turbocharger is working properly and producing the proper amount of boost. The standard kit should produce about 5psi of boost. The air fuel ratio at WOT and/or under boost should be at least 11.5:1 or richer (.920v+ on OBDII O2 sensors). There should be NO consistent knock retard under boost and absolutely NO audible detonation. Boosted timing should be in the 14 degree range. If you experience lean air fuel ratios and/or knock retard or audible detonation during boost, DO NOT DRIVE THE VEHICLE as SEVERE ENGINE DAMAGE WILL OCCUR! Contact STS Customer Support immediately! After the test drive, recheck ALL connections, clamps and brackets for proper tightness and routing.  (IMPORTANT: Inspect the wiring harness routing near the engine and exhaust system for any evidence of the loom melting due to high heat. If the loom is getting too hot, reroute the harness and secure harness to protect it from excessive heat.)  Vehicle performance should increase over the next few days of driving as the turbocharger breaks in, allowing quicker spool-up, and as the computer relearns and adjusts to boost conditions. The “Check Engine” light may come on during the next few weeks of driving, as the computer will see sensor values that are out of the “normal range” of what it is used to seeing.  The light should go off and reset each time you drive the vehicle. It is recommended that you check and keep track of any trouble codes that are set in the computer to make sure that no damage is done to your vehicle. Report any trouble codes to your tuner. If you experience any problems refer to the Trouble Shooting Guide. If you can’t solve the problem that is related to the turbocharger system please contact STS Customer Support immediately.
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