Lean or Rich?
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Lean or Rich?
I have read that if you use a external venting bov, this will cause the ecu to read a false picture of a large increase in airflow. Which then leads to an excessively rich mixture.
I have also read that using a cai or short ram filter on the wrx will cause the motor to run lean.
Would using the two together zero out these effects or worsen the rich mixture? If the later of the two, would opening up the exaust side of the picture help to lean out the rich mixture
without upgrading the ecu?
Any thoughts?
I have also read that using a cai or short ram filter on the wrx will cause the motor to run lean.
Would using the two together zero out these effects or worsen the rich mixture? If the later of the two, would opening up the exaust side of the picture help to lean out the rich mixture
without upgrading the ecu?
Any thoughts?
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