Patman
Staff member
I seem to recall that when they released the specs for the SL formulations of oils, that they made the requirements stricter in order to qualify for 5w status.
So if this is true, would a 10w30 oil in SL formulation perhaps have been able to qualify for 5w30 status under the old SJ requirements?
So if this is true, would a 10w30 oil in SL formulation perhaps have been able to qualify for 5w30 status under the old SJ requirements?