I have found these articles excellent background reading
Pelican's Perch #63:<br>Where Should I Run My Engine? (Part 1) - AVweb Features Article
In turbines, reduced power takeoffs are the norm of course but, piston engines may not respond so well. In my experience operating old supercharged radials, it was recommended particularly to use full power for takeoff as the extra fuel provided significant cooling to the engine. I'm definitely no mechanical expert and read as much as I can to try and find the best operating methods for safety and engine longevity, but found this series of articles very plausible.