Chrysler, Dodge, Jeep 4.7L PowerTech Engine The Chrysler V8 PowerTech engine first hit the streets in 1999 in the Jeep Grand Cherokee. Eventually the engine made its way into a handful of Dodge, Jeep, and Chrysler vehicles up to 2009. In Dodge applications, the 4.7L PowerTech is also known as the Magnum engine. Performance numbers may not look great by modern standards, but … [Read more...] about 4 Common Dodge 4.7L V8 PowerTech Engine Problems