Originally Posted by subenerd
Ive been using redline 5w30 for about 34k miles and have been thinking of moving to 10w30. Car runs good, doesnt burn barely anything unless Im very hard on it. The engine seems loud, maybe I could use thicker oil, I dunno...oil specs make my head spin
Redline 5W30 is thickAr than M1 10W30 at 100C, and has a higher high temp high shear viscosity as well. Must be those polyol ester base stocks.
My head is spinning too.