wondering if there's any real difference in protection or seal reguvantion and or if anyone has done oil analysis on both...
I need gm4718 im unsure if they are they say they are both dexos1 which superseeds gm4718 but i dont see how cause gm4718 is full synthetic and dexos1 i believe is just a blend... i guess this is besides the point tho...
I need gm4718 im unsure if they are they say they are both dexos1 which superseeds gm4718 but i dont see how cause gm4718 is full synthetic and dexos1 i believe is just a blend... i guess this is besides the point tho...