But they do need to rely on the number to tune, right? Or they just know the offset, ie aim for 11.6 while real afr is 11.2? And clean deposit regularly?
using the Perth-WRX mobile app
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MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR
Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport
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