when your motor is feeling dead..and you have new brushes in it and a clean cut com... or you want that extra pep for a nats event or something..buy a new can..

"fresh magnets" will give you great power gains on an old motor..specially if your motor has been "HOT' in the past, as heat kills magnets..desturizes them.

..new can...then..cut the rapping...then...some new brush's , Oil the bushe's "use sinthetic bushing oil" run motor at 2.4 V's for 300 secs...put in and drive..

PS soon to have special tricks list for stock motors.."LEGAL"

And never use com drops....i call it burn lube.