TheLion’s share of problems that the 5.7 Hemi engine users have complained about is cam and lifter failure. It happens when a stall occurs during inactivity or stopping or if the engine seizes up unexpectedly. Even amongst the users who complained about this failure, the degree of the failure differs. Thefirst 5.7 HEMI produced 345 hp and 375lb-ft of torque which was plenty at the time. This engine was in the top 10 engines list for three years. Until the 2009 refresh came out. The 2009 version came with a variable valve timing. The cylinder heads were also revised in order to increase the airflow. The engine also got a new intake manifold. Accelerationand Power. The 2007 Jeep Grand Cherokee comes with a choice of five engines: A 3.7-liter V6 is standard in the Laredo, but there's also a 6.1-liter V8 in the SRT-8, a 5.7-liter V8 with multi-displacement . Our 2005 4x4 of the Year winner was the Jeep Grand Cherokee (Feb. '05), and after a year of abuse and 24,000 miles piled on it, it's time to say goodbye. Yes, we'll miss it for the 360to 395 horsepower (268 to 295 kW) at 5,000 to 5,600 rpm. 390 to 410 lb-ft (529 to 556 Nm) of torque at 3,950 to 4,400 rpm. The third generation Dodge 5.7L HEMI was used in the Ram pickup trucks; the Dodge Durango, Charger, and Challenger; the Chrysler 300; and the Jeep Grand Cherokee, Commander, and more recently, the Wagoneer. . Thebenefits. In the case of the Grand Cherokee 5.7 Hemi V8 360hp engine, our Chiptuning file is tailored for more power and torque, reduced fuel consumption, smoother acceleration and improved throttle response. By optimising the torque curve the Grand Cherokee 5.7 Hemi V8 360hp engine produces more torque at lower RPM. 57-Liter Hemis After debuting in the Ram truck line, by 2005 the Hemi migrated to the LX-chassis cars (Dodge Charger R/T, Dodge Magnum R/T, Chrysler 300C) with the same 5.7-liter (345-cu.in.) displacement but a few changes.Truck engines—rated at 345 horsepower in the Ram, 335 horsepower in the Grand Cherokee, Durango, and 61 Hemi Supercharger. The first difference between 6.1 and 5.7 Hemi is that you can’t find the former engine on Ram trucks. Another important difference is that 6.1 engines are not available today. They were in production between 2005 and 2010, and there were five models that had them: Chrysler 300C SRT-8. WK Grand Cherokee (2005-2010) WK- Troubleshooting/Problems MDS Hemi. Tags hemi. Jump to Jeep Grand Cherokee WK - Engines '20 JGC TrackhawkSlate Blue Pearl-Coat, Black/SepiaStage 1 (850HP Rated, '05 WK GC 5.7L HEMI, Goodyear Wrangler SilentArmors, Monroe Reflex Front Struts/Monroe Load Powerplantsof this stature are fondly remembered by the bulk of consumers for their relatively hearty construction, unsurpassed durability, and noteworthy power production.

2005 jeep grand cherokee 5.7 hemi horsepower