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Old 02-19-2001, 01:32 PM   #11
Dynamic Uno
Member#: 1
Join Date: Jun 1999
Chapter/Region: BAIC
Location: Alameda, CA
2011 Impreza WRX STi


25psi, where have you been for the past year. Vishnu's TEC II kit is a "Parallel Engine Management" system. It works together with the stock ECU. The only thing that TEC II does in that case is controlling ignition, timing and boost. The stock ECU still controls the idle, the speedo, all the emission stuff, radiator fans, ect. That is why it is a +. And, the best thing, is that if your TEC II fails for whatever reason, all you need to do is plug in your ignition wires back into the stock coil, and connect the stock injector harness and you can limp home, or, if you need to uninstall the TEC II it is as easy as to install it. If you have it as a stand alone, it will be a nightmare to install it.
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