Dodge 6.1 HEMI Problems The 6.1 HEMI made its first appearance in the 2005 Chrysler 300C SRT-8 and remained through 2010. It offers 425 horsepower and 420 lb-ft of torque. 6.1L HEMI engines come without MDS, but use a stronger block and internals than the 5.7 engine. Overall, the 6.1 V8 is a great engine that offers a good balance of performance and reliability. However, no … [Read more...] about The 3 Most Common 6.1 HEMI Engine Problems