I just know that my Subaru runs quieter with PUP.
I mean significantly quieter especially on cold starts. I’ve ditched using Subaru oil … nothing special about that. I’ve tried multiple brands. It’s nice to have all this documentation but my proof is that the boxer engine loves this oil. To...
My Subaru runs quieter especially on startup using Pennzoil ultra platinum compared to the subaru oil. I’m not dreaming. It’s a noticeable difference.
Subaru branded oil is nothing special.
