Recent content by oXObsidianXo

I have another older one with motorcraft 10w30 semi synthetic with 879ppm phosphorus. So it does seem to be standard for this truck, universal averages is 1003ppm phosphorus too according to Blackstone.

Just had some analysis come back for my 2021 Ford F350 for AMSOIL Signature Series that I recently switched to and the motorcraft that was in it before the change. Both done right around 7800kms during slightly different times of year, the AMSOIL was subjected to some much colder weather...