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FCA’s Tornado Inline-Six Engine Rumor Comes Back Into Focus

Pentastar V6 6 photos
Photo: FCA
2019 Ram 1500 Rebel 122019 Ram 1500 Rebel 122019 Ram 1500 Rebel 122019 Ram 1500 Rebel 122019 Ram 1500 Rebel 12
The Pentastar V6 dates back to 2010, and over the years, it has proven itself both as a workhorse and as a headache-inducing engine due to problems with the design of the heads, water pump, and radiator. The 5.7-liter HEMI V8 is even older, released in 2003 on the Dodge-badged Ram 1500 from the third generation of the light-duty pickup truck.
But as it happens, FCA prepares to phase out both engines for an inline-six that would serve as an indirect successor to the Slant-6 produced between 1959 and 2000. Produced in 170-, 198-, and 225-cu.in. versions for Dodge and Plymouth, the engine was also popular with agricultural, industrial, and marine applications.

According to Allpar, the newcomer is understood to feature the codename Tornado. “The first vehicle to get it might be the Jeep Wagoneer or the next-gen Grand Cherokee, but it’s also bound for the Charger and Challenger,” replacing the Pentastar V6 on the Ram 1500 in the process.

At least two setups are expected from the Tornado, starting with a twin-scroll turbo for Chrysler models and twin-turbo technology for Alfa Romeo and Maserati. “Any Italian versions would most likely have Ferrari-designed heads and different blocks,” reports Allpar.

Displacing in the ballpark of 3.0 liters, the engine “will have relatively small bores, closely spaced, to reduce its length.” FCA could even go as far as aluminum hardening instead of the more conventional solution, and the goal is “to stay within 3.0 inches of the current 2.4-liter four-cylinder.” More to the point, the Tigershark from the World Gasoline Engine family is the engine in question, introduced in the 2013 Dodge Dart.

From the standpoint of suck-squeeze-bang-blow, the Pentastar V6 with eTorque mild-hybrid assistance should be the yardstick for Fiat Chrysler’s all-new Tornado. In the Ram, this engine puts out 305 horsepower and 269 pound-feet. Available in short bursts, the eTorque provides up to 90 pound-feet of additional torque, adding up to 359 pound-feet.
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About the author: Mircea Panait
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After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well.
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