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Unfortunately, the 4.7-liter mill's horsepower clocked in at a relatively puny 235. Since the improvements come from mechanical features borrowed from the 5.7 liter Hemi, Mopar fans are taking to calling the new 4.7 the "Semi-Hemi." Since neither of them has hemispherical combustion chambers, no harm, no blasphemy.
Also know, is the Dodge Ram 4.7 a good engine?
Although it doesn't have near the horsepower or torque of the Hemi, and doesn't really get a lot better gas mileage either, it is still a very good V8. You never hear of any major problems with the 4.7 and they seem to take a beating and come back for more.
Also question is, did Dodge make a 4.7 Hemi?
4.7 Liter Next Generation/Corsair V8 Engines (Dodge - Jeep) For model-year 2008, Chrysler adapted lessons from the 5.7-Hemi to the 4.7, and power shot up from 230 hp to 290 hp; gas mileage went up, and vibration went down.
by Tim McQuade. Chrysler manufactured the 4.7-liter, liquid-cooled gasoline engine, also called the Powertech, from 1999 to 2013. It was used in Dodge, Jeep and Chrysler vehicles, including the Chrysler Aspen; Dodge Dakota, Ram, Durango and Nitro; and Jeep Grand Cherokee, Liberty and Commander; and Mitsubishi Raider.