Drop 4 of 12: Wrangler Willys 392 takes rugged capability and revs it up with a HEMI® V8 engine to create the ultimate adventure machine. | Jeep

I own a 6.4L HEMI, and as a diesel mechanic, I wanted to have an honest conversation about the real issues with the 6.4L HEMI platform. This isn’t a hit piece. The 6.4 HEMI is a strong, powerful engine that does a lot of things right — but it’s also not perfect, and there are some well-known problem areas that owners should understand before buying, modifying, or towing heavy with one. In this video, I talk about: Common reliability concerns owners report Known design weaknesses and wear points