Might an Inline-Six Return to the Fiat-Chrysler Fold?
This patent drawing hints that Fiat-Chrysler is getting a straight-six engine ready for production.
The straight-six seems to be making a comeback: Chevrolet, Jaguar Land Rover and Mercedes-Benz have all brought versions back to the production line. And now it looks like the next company to jump back into the inline-engine world could be Fiat-Chrysler—at least if this patent drawing is accurate.
According to sources that spoke with Mopar Insiders, the possible upcoming straight-six could start around 360 hp and have 525 hp in performance applications. The high-output variant could fill the hole left by the apparently shelved 7.0-liter Hemi V8.
Adding some credibility to its source’s claims, a patent issued earlier this year for an exhaust-gas recovery system on a turbocharged engine features an inline-six engine in the diagram. The patent issued to Fiat-Chrysler could be using the straight-six as a stand-in, but it’s likely that the system is designed with this I6 in mind.
Assuming that this engine will be based on the Fiat-Chrysler Global Medium Engine architecture and its recently released 2.0-liter inline-four, we expect that the new straight-six will displace about three liters. Like we learned from the folks that engineered the V10-powered Ford Mustang, adding extra cylinders to an engine isn’t always as hard as it sounds.
The new engine could also use Fiat-Chrysler’s upcoming E-Booster, which helps turbocharged engines quickly build boost to help eliminate turbo lag. According to sources that spoke with Mopar Insiders, this could help Fiat-Chrysler to use larger turbochargers that traditionally take more time to generate boost.
Chrysler has historically done well with six-cylinder engines, and there is plenty of historic branding to revive. I think a 525-hp inline-six dubbed “Hyper Pak” has a good ring to it.
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