I drive a 98 Infiniti I30, Vq30de, Automatic, 109,000 miles. Since about 70k its been being fed syn, GC, M1 or PP. Always 30 weight (5Wor 0w)
Recently i switched over to M1 0-40, no ill effects. However im wondering with that oil, a M1-110 Filter, a tad bit of LC and SLOB, can i go 10k between...