General Motors has initiated a Service Update for the 2024 GMC Sierra HD, addressing an issue with the 6.6L V8 L5P turbodiesel Duramax engine. According to the update, affected units may not ...
Chevrolet Performance launched the naturally aspirated 6.6L V8 L8T crate engine back in December, offering up the same capability provided by GM’s heavy-duty pickup trucks, but with availability to ...