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Originally Posted by Element Tuning
the FA20 the direct injection under a WOT pull only fires on the intake stroke both BTDC and ATDC
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I'm unclear about what you mean by "both BTDC and ATDC." Are you seeing two injections per cycle under full load?
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Now the port injection is not used under these circumstances until after 5k rpm.
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I assume you are doing WOT sweeps on a chassis dyno. At what RPM are you starting the testing?