A post I made in 2011 talked about how to select an oil to use in your snow blower. Things have changed recently in the minimum API specification of automotive oils that have outdated those suggestions.
The new API SN specifications have lowered the amount of ZDDP anti-wear additives so much that I’ve decided to no longer suggest regular vehicle oil to be used in air cooled lawn and garden equipment. Air cooled equipment is abused and works so much harder in a much more difficult environment than your daily driver liquid cooled vehicle.
The cost of a quality oil – which is just a few dollars more – versus the possible repair bill is something you’ll have to choose. I made my choice based on my recent experience with an over rev’ing situation which needed the extra protection of an oil designed for air cooled outdoor power equipment.
Continue reading Snow Blower Oils Revisited