Allpar spotters have discovered 2014 Ram chassis-cabs and “heavy duty” pickups being tested with gasoline engines. At this time, only the Ram 2500 and 3500 come with a Hemi engine (with optional Cummins diesels); the Ram 4500 and 5500 chassis-cabs are Cummins-diesel-only. There is no word on which gasoline engines are being used in the trucks, but some Allpar sources said a 6.4 Hemi was being readied for the truck line. This engine would not be the same as the SRT8 6.4; while it would likely include cylinder shutoff, it would almost certainly have lower horsepower ratings and internal changes to support a completely different duty cycle. A gasoline engine would not deliver the fuel economy of a diesel, but it could reduce the sticker price by $5,000 or more, even including the costs of creating the engine. This would help Ram to compete against its primary competitor, Ford,..
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