![]() ![]() To employ these methods, SRT engineers modified or upgraded many components of the 5.7-liter HEMI engine to create the new 425-horsepower SRT 6.1-liter HEMI engine. of torque - with time-honored methods: add more cubic inches, increase compression ratio, redesign the cylinder heads, intake and exhaust systems for better flow, and increase engine speed. The developers of the SRT 6.1-liter HEMI engine achieved their goals - 425 horsepower, 420 lb.-ft. From there, a team of SRT powertrain engineers integrated race-proven engine technologies to create the powerful new SRT 6.1-liter HEMI. The development of the SRT 6.1-liter HEMI V-8 started with a world-class foundation - the Chrysler Group’s 5.7-liter HEMI V-8 engine. ![]() “With the introduction of the 6.1-liter HEMI, we’re taking the legendary HEMI to a new level of benchmark performance.” “The HEMI continues to resonate with consumers and has become a brand within our brands,” said Eric Ridenour, Executive Vice President, Product Development, Chrysler Group. Its 69.8 horsepower-per-liter exceeds even that of the legendary 1966 Street HEMI. The result is a 425-horsepower, 6.1-liter HEMI with the highest specific output of any V-8 engine ever offered by the Chrysler Group. of torque - than the 5.7-liter HEMI first found in the Chrysler 300C. SRT HEMI’s 69.8 horsepower-per-liter rating exceeds even that of the legendary 1966 “Street HEMI”īack in the day, it was nicknamed the “elephant motor,” and its ability to make fearsome amounts of power led to more than four decades of performance exploits on streets and racetracks.Īlthough the Chrysler HEMI ® was born in the 1950s and entered into legend in the 1960s and ‘70s, today’s version took much of its inspiration from the original - particularly the namesake hemispherical combustion chambers that provide power and efficiency.īut when powertrain engineers at Chrysler Group’s Street and Racing Technology (SRT) set about developing their own 6.1-liter version of the HEMI V-8, the mandate was more: in all, 25 percent more power – an additional 85 horsepower and 30 lb.-ft.SRT 6.1-liter HEMI V-8 produces 425 horsepower and 420 lb.-ft.A new level of HEMI ® performance: 25 percent more power - 85 additional horsepower. ![]()
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