87is regular, 89 is mid, and 91/93 is premium.. 5.7’s run best on 89 and 6.4’s require 91/93. Thanks! I only run 90/93 non-ethanol unless I'm too far from a station that carries, then I'll drop 93 w/Ethanol but whenever I do non ethanol 90/93 I get insane performance and the engine roads like a muscle is supposed to. 57L V8 HEMI MDS VVT Engine +$1,795: Remote Start System +$245: Mopar Trailer Camera Wiring/No Camera +$590: 5.7L V8 HEMI MDS VVT eTorque Engine +$1,995: 3.0L V6 Turbo Diesel Generation 3 Engine Engine 5.7 L V8 Hemi Mds Vvt Etorque, Wheels: 20" X 9" Aluminum Chrome Clad (Wrk), Big Horn Level 1 Equipment Group, Trailer Tow Group, Bed Utility Group, Radio: Uconnect 5 Nav W/8.4" Display, Anti Spin Differential Rear Axle, Black Trailer Tow Power Mirrors, Remote Start System, Rear Wheelhouse Liners, Delmonico Red Pearlcoat, Mopar Front The5.7-liter HEMI V-8 engine with MDS technology is available on 2009 Chrysler 300C, Chrysler Aspen, Jeep® Grand Cherokee, Jeep Commander, The HEMI's new VVT improves fuel economy in two ways. First, it reduces the engine's pumping work by closing the intake valve later. Second, it increases the expansion process of the 57L V8 HEMI MDS VVT eTorque Engine +$1,695: 4-Corner Air Suspension +$1,805: 33 Gallon Fuel Tank +$445: Engine Block Heater +$95: Packages; Packages; Quick Order Package 27W +$0: Quick Order The2019 Ram 1500's 5.7L Hemi V8 with eTorque. Photo by Handout / Ram. engine cooling systems can operate in a much more consistent manner as water pump speed can be independently controlled 80 L / 100 km (35 mpg) hwy 4.7 L V8 FFV 6-Speed Automatic Transmission 310 hp 15.0 L / 100 km (19 mpg) city 10.2 L / 100 km (28 mpg) hwy 5.7 L V8 HEMI® MDS VVT 6-Speed Automatic Transmission 395 hp 15.4 L / 100 km (18 mpg) city 10.2 L / 100 km (28 mpg) hwy 395 hp 15.4 L / 100 km (18 mpg) city 10.2 L / 100 km (28 mpg) hwy 395 hp 15.4 L / 100 Functionally eTorque works by replacing the RAM’s conventional alternator with a more robust motor/generator in 3.6-liter V-6 and 5.7-liter V-8 HEMI engines. The eTorque-equipped V-6 mounts its Continental motor-generator in front of the engine with the pulley pointing aft. A dedicated, water cooled coolant circuit is used since the internal .

5.7 l v8 hemi mds vvt engine