I just purchased a new mower with a Vanguard motor, 2 hours on it now that I cut the weeds. I purchased a pair of FilterMag magnets that I installed on the oil filter. Supposedly these very strong magnets that attach to the stock oil filter will captures all ferrous metal break-in particulates during break-in and over the life span of the engine. This is my second set as I have another set on my 2012 Super Duty with a 6.7 Powerstoke. I have no data to report with regards to effectiveness but...
FilterMag
FilterMag