That Lycoming advice has eff all to do with the actual powerplant., it is simply trying to stop one from taking-off with a leaned mixture.
And as for cooling the engine with full-rich during the taxi., who the bleep actually needs to operate an engine at high power, for prolonged periods, at low ground speeds. ? (LAMEs excluded)
Last edited by KittyKatKaper; 4th Mar 2016 at 02:18.