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So my plane is in annual and I wanted to address the slightly low peak fuel flow (17ish gph rather than 18ish gph) at takeoff under standard conditions, figuring this may help my engine temp issues in climb. I had assumed there were separate controls to set idle mixture (which I understand is relevant only at low rpm) versus main mixture settings, but per my shop this does not appear to be the case- only an idle mixture setting. I think I have the Marvel MA-4-5 carburetor. Carusoam posted a handy guide to these carbs on another thread: http://www.insightavionics.com/pdf%20files/MA-4%20Carb%20Manual.pdf I am reading but am still confused on how mixture could be enriched at WOT on takeoff for these carbs, and how it differs between carb models. Can anyone shed some light on this, and if there is an easy way to address my peak fuel flow issue?
