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Performance, Tuning, and (LEGAL) RacingPost discussions about increasing performance, capabilities, and racing.
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2004 f150 3 valve 5.4triton with roush supercharger
Question: I just got my phazers locked, before that it didn’t run lean but since that it’s been running lean. It needs to go on a dyno but I’m wondering if there’s an easier way to tune it since there are no dynos near where I live.