Chrysler brought back its iconic HEMI badge from a 30-plus year hiatus ... HEMI generally requires SAE 5W-20 engine oil such as those distributed by brands like MOPAR, Shell Helix, and Pennzoil.

“As engine technology and fuel technology have evolved, the environment in the crankcase has changed,” says Stede Granger, Shell ... of how SAE oil grades are defined (15W-40, 10W-30, 5W ...