GM truck loyalists are lining up behind an old-school idea for the next small block V8: bring back thicker oil. After years ...

GM Authority poll shows owners overwhelmingly want thicker 5W-30 or 0W-40 oil for next-gen V8s, citing durability over thin ...

Starting January 1, 2027, new heavy-duty diesel engines will hit the road. And when engines change, oil has to change with ...

GM owners want thicker oil in the next-gen V8 due to reliability issues regarding thinner oil, which caused problems that led ...