Originally Posted By: timeau
Amsoil has just 1634 ppm of calcium? This is Mid-SAPS oil, right? So the TBN started from 8 instead of almost 12 in Mobil1. You are comparing apples with oranges.
Agree, OP why not run Amsoil Full saps? It is cheaper than mid saps as well as has a TBN that is a match to M1 0w40.
I would run Amsoil Full saps 12k miles and compare the results.
Amsoil has just 1634 ppm of calcium? This is Mid-SAPS oil, right? So the TBN started from 8 instead of almost 12 in Mobil1. You are comparing apples with oranges.
Agree, OP why not run Amsoil Full saps? It is cheaper than mid saps as well as has a TBN that is a match to M1 0w40.
I would run Amsoil Full saps 12k miles and compare the results.