Good evening folks. As I sit here watching a thunderstorm; pondering which oil to run next in the 02’ Dakota. Have Valvoline R&P 5w30, frankenblend of Valvoline Advanced 5w30, R&P 5w30 and HPL 10w20 NO VII and quart HPL WC-30 brew. Or some 07’ era Rotella 15w40 or 80’s or 90’s Delvac 15w40.