ORIGINAL: bigedmustafa
The really nice thing about glow engines is that they tend to settle in more and more as you run them. When well maintained, a two-month old engine will run more powerfully and reliably than a two-week old engine while a two-year old engine will be more powerful and reliable than a two-month old engine. A lot of folks on these forums who have been flying for a while are still running old and reliable favorite engines that they've had for many, many years.
Excellant tip biged. My brand new Saito 82 runs crappy compared to my 2 year old Saito 82. The 2 year old starts right up and runs perfect.