V8 hemi mds. 7 V8 Hemi is Rams best engine. 4 HEMI Problems A few of the most common problems on the Chrysler, Dodge, and Ram 392 engine include: Multi-Displacement System (MDS) Engine Tick Transmission Failure Misfires We’ll circle back to this point towards the end of the post, but we want to clarify this now. In this video I explain exactly how the system works MDS Delete Install Kit and Tuning Package for 2009-2014 Dodge Ram / Durango 5. 4L HEMI V8 RAM MD AND HD ENGINES With over 100,000 6. 7l v8 engine with etorque. I keep mine off because it sounds stupid and vibrates and I bought a V8 not a 4 cylinder. com. Get the best deals for 5. 7 Hemi uses cylinder deactivation technology. It began as code name Eagle. 7L 345 HEMI Engine design and features, its the most common problems and relaibility. 4-liter HEMI V8 powered by SRT First, let’s introduce the 6. Despite its thirst, towing, and performance. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Supercharged 6. 7L V8 HEMI MDS VVT eTorque Engine Trucks For Sale: 40 Trucks Near Me - Find New and Used 5. 7L V8 HEMI Vin D (W/O MDS) (0 review) $ 920. MDS Lifters KIT timing chain camshaft Fits Dodge Ram 1500 5. Jul 24, 2021 · 5. What made Jeep’s 5. 7 L modern Hemi engine. 5. Ram calls it “the most powerful factory-installed engine ever in a half-ton truck. 7l v8 hemi mds vvt engine. 7L HEMI that was built in the last two decades, it probably has MDS solenoids. 4L HEMI V8 engine is standard on the Ram 2500 and offers a towing capacity of up to 17,730 pounds when properly equipped. May 27, 2023 · Caveat; MDS (in my opinion only) is a waste of time. I hope this begins What is the 5. 7l v8 hemi mds vct engine. 7 HEMI V8 engine. May 6, 2012 · Hi guys, i am here again after some time as i sold the WH 2 yrs ago. 4L HEMI V8 Engine The 6. 7 HEMI engine features a unique configuration that contributes to its performance and efficiency. 7L HEMI engine was introduced on the Chrysler 300C and Dodge Magnum. It claims to have a 0-60 mph in 4. A noticeable difference between the 6. I thought they got rid of that when they went to variable valve timing. So now the questions is how to prevent it from coming on. 7 HEMI Cam MDS Lifters Camshaft Oil Pump Kit w/Gaskets Replacement for 2009-2015 Dodge Ram 1500 5. I have a 2020 Ram 1500 5. I am used to the V6 Eco Boost in the F150, had some terrible times with the 10 speed transmissions in the F150 of late and looking to switch to the 8 speed V8 in the Ram . We’re classifying the problems as a few of the most common. Image Source: PEB This system was designed to improve fuel economy and emissions Aug 30, 2001 · This article will explain the Chrysler MDS and VCT system operation and components used on the new HEMI 5. Hemi engines. Aug 17, 2023 · Jas34 J A 2023 5. 7-liter HEMI® V8 power plant with Multi-Displacement Engine System (MDS) and outfitted it with Variable Valve Timing (VVT), which improves engine breathing for better efficiency and power. This engine is part of Chrysler's renowned HEMI V8 family, which is known for its high-performance characteristics. It's a long story but I might be getting a newer 1500 and I absolutely hate the MDS! Also, any tuners that'll allow you to safely run 87 octane? Thanks! Performance Parts for your 5. 7L engine and 3. 7 VVT Hemi has been characterized by its optimal engine design, varied applications, power, and fuel economy. MDS lifters and camshafts are a commonly replaced item in a higher milage Gen 3 Hemi. 4L Hemi SRT became available for the Ram 2500/3500 trucks and Ram 3500, 4500, and 5500 Cab Sep 18, 2022 · MDS, or Multiple Displacement System, is a fuel-saving technology found in some HEMI vehicles, including Dodge Charger, Challenger, RAM 1500, & of course, Jeep Grand Cherokee. Sometimes I forget that I’m towing. Jan 11, 2021 · 4 Most Common 6. 7L HEMI V8 eTorque engines have a maximum payload capacity of 1,940 pounds and 1,850 pounds respectively, making them great options for those who need a balance of power and payload capacity. The valve lifters Mar 6, 2014 · The fuel economy improvement is estimated to be up to 20 percent, depending on driving conditions. Feb 23, 2021 · What (if any) is the relative difference in reliability between a 2021-2022 5. 4L HEMI V8 in the RAM 2500 Power Wagon. It seems to be in good condition, has 86Tkm, most of limited equipment, KN Jun 15, 2023 · I'm pretty close to just going out and swapping for my exact same Ram truck (2023 5. Final Thoughts Chrysler’s Multi-Displacement System (MDS) is an automobile engine variable displacement technology, which deactivates four of the V8’s cylinders when the throttle is closed or at steady speeds. With its classic Hemi design, this non-MDS variant ensures reliable, uncompromised performance under all conditions, making it the perfect replacement or upgrade for those who demand raw, unfiltered power. Below are the detailed specifications of the HEMI engine. 2024 RAM 1500 Towing Capacity Opt for the available 5. Feb 20, 2025 · Discover everything about the Chrysler 6. Built with only top-tier components and rigorously tested before shipment, the Fraser Oct 24, 2010 · 5. It has a torque of 650 lb. 7L HEMI V8 ENGINE EXF = 3. The Engine Hydraulic Lifters have been inspected before shipment in the factory. 4L engines. It uses a unique hemispherical combustion chamber design. 7L V8 HEMI MDS VVT eTorque Engine Trucks on Commercial Truck Trader. The MDS operation, invisible to the driver, is fully integrated into the fuel injection system. Here is what this sophisticated system does. Sounds simple, right? Well, the Multiple-Displacement System is more complex than simply shutting down the ignition. 4-liter V8 naturally aspirated engine, based on the architecture of the 5. ” Jan 8, 2020 · Looking at a 2020 6. These engines are exclusive to Fraser and incorporate all major Technical Service Bulletin (TSB) updates, addressing known issues found in the original factory models. 7L HEMI including ported hemi heads, ported throttle bodies, and much more. When you need power and dig into the throttle the MDS kicks the cylinders back to life so you have the full power from the large 5. 92 rear axle instead of the current 3. I'm really torn between going with the A8 vs. This article will delve into the MDS Jan 30, 2025 · Engine Configuration The 5. In short, MDS. Throungh that time i had BMW 330xD, BMW 323CiA and now i have MB C-class. Has nothing to do with MDS, has to do with a bad crank/rod/block/lifter/ oiling location design. Dec 17, 2024 · Common problems with Chrysler’s 6. 4L HEMI Info Chrysler introduced a production version of the crate 392 Hemi engine in the 2011 Dodge Challenger SRT8. 7 V8 Hemi and I tow 6k trailer daily. When swapping a Gen 3 Hemi into a classic car or upgrading it for offroad use, most people Delete the MDS System. com May 13, 2020 · We explain how Chrysler Hemi MDS cylinder deactivation works, what goes wrong, and how to fix it when it breaks. 4l srt hemi smpi v8 engine. Hemi sport. 4-liter HEMI V8 engine, and what each engine part does and how it makes the engine a performance engine. The 392 HEMI is a reliable engine. 4l v8 engine. 4L SRT engine. I was just curious if anyone has Jan 26, 2023 · Ultimate guide to the 5. 7L V8 4X2 HEMI ENGINE MOTOR BLOCK 163K MILES OEM LOT2612 I feel like MDS has been unfairly made the culprit for the lifter failures we see on Gen 3 Hemi engines. This guide covers everything from quick temporary fixes to permanent solutions that’ll give you full V8 power all the time. Including Dimensions, Horsepower, Engine Size, Oil Capacity, and Tire Size. It focuses on engine speed and force. The system was first Oct 7, 2022 · What is HEMI MDS, and how does it work The Hemi MDS system is Chrysler’s variable displacement technology that debuted in 2005 on the 5. Alternatively Aug 31, 2023 · The 392 HEMI 6. Any way to turn it off other than to use manual shifting or Tow/Haul? If I wanted MDS I would have gotten a four cylinder engine. With that in mind, I have spent hundreds of Oct 23, 2024 · Discover the real-world fuel efficiency of Chrysler's 6. Chrysler 5. But you can probably run into some Hemi multi-displacement system solenoid problems. 73 (open). In this article, we discuss 5. 7 Hemi engine deactivates four cylinders (1, 4, 6, and 7) during light driving conditions to improve fuel economy. 7L HEMI V8 engine is a powerhouse that has carved its niche in the automotive world. The HEMI name itself is derived from the hemispherical shape of the combustion chambers, which allows for a more efficient airflow Master Engine Rebuild Kit FITS: 2003-2008 Dodge Ram Durango 5. 7 HEMI camshaft upgrades including benefits, cost Apr 7, 2018 · Doing my research before I purchase a 6. 4L HEMI MDS engine is typically found in heavy-duty Dodge Ram trucks, as well as some Jeep and Dodge SUV models. However, even the best engines can develop issues, with one prevalent concern being the failure of the Multi-Displacement System (MDS). I personally prefer all V8, all the time As for VVT; absolutely love when my HEMI hits VVT at about 5000rpm! She hits a nice exhaust note and just opens up and runs like a thoroughbred stallion hitting full stride on a straight away! The HEMI wakes right Jan 13, 2019 · The Chrysler Group Multi-Displacement System (MDS) is a fuel-saving cylinder deactivation technology that is here today – customers get the power and capability of the HEMI® V-8 that they desire with an improvement in fuel economy of up to 20 percent. 7 L modern Hemi V8. 7L HEMI with MDS VVT eTorque engine? I'm in the process of identifying potential replacement trucks and have decided to purchase a RAM 1500 with the 5. Since there is a lot of information available on the MDS system, I am taking the time to break down the system and explain it is a way that is hopefully easy to understand. but i am about to buy 2005 WH 5,7 Hemi with LPG (liquid petroleum gas). 7l Research Dodge Ram 1500 specs. Jun 20, 2024 · 5. MDS does make the Hemi less reliable for its reasons which is mostly speculation at this point. 7 Hemi is it does not include variable camshaft timing (VCT) technology and Chrysler's Multi-Displacement System (MDS). 7L HEMI V8 Engine The 5. This system allows the engine to deactivate half of its cylinders under light-load conditions, such as highway cruising, effectively transforming the 5. 7L 345 HEMI Engine? Is it good or bad? Read about Chrysler 5. 7L HEMI V8 and 5. 4L Hemi and its variants, from specs to common problems, and more. 4-Liter V-8 QUICK REFERENCE CHART – 6. Dec 13, 2018 · Joined Dec 13, 2018 Posts 63 Reaction score 53 Location North Central Washington Ram Year 2014 Engine 5. This design allows it to increase […] Aug 27, 2024 · Here are a couple of ways to determine if an MDS solenoid in your 5. You may have to manually fix whatever comes your way. 7L V8 Hemi Engine (2005-2009) featuring Multi-Displacement System (MDS). Like Mercedes-Benz 's Active Cylinder Control, General Motors ' Active Fuel Management, and Honda 's Variable Cylinder Management, it deactivates four of the V8's cylinders when the throttle is closed or at steady speeds. Performance Parts for your 5. 7L Hemi Truck Engines AMS Racing From $ 1,125. Jul 4, 2022 · From its unveiling up to the present, the 5. 4 Challenger. 7L HEMI V8 engines, the 2009-current also used multi-displacement system (MDS) technology for increased fuel efficiency, but it was improved over prior models. 7L V8 HEMI MDS VVT Hemi Engine I HATE the MDS (multi displacement system) feature. When active, MDS shuts off half of the engine’s cylinders when they’re not needed, such as when cruising at highway speeds. Choose the Dodge 5. 7 V8 HEMI MDS VTT and then others say 5. 7 Hemi Cylinder Deactivation Solenoid Location As we already know, the 5. Now it’s time to dive in-depth into cam upgrades from top to bottom. 5 seconds. Jan 28, 2024 · The third-generation Chrysler HEMI motor has powered vehicles and fascinated gearheads since its debut in 2003. 4 HEMI V8 engine is one of the top engines in the SRT lineup today. 7 HEMI is a great engine that has plenty of potential in NA form. I purchased a 2021 Grand Cherokee L, Hemi V8 in December of 2021. 4L/392 HEMI V8 engines produced for almost a decade, they’re turning up in salvage yards and swap meets at a relatively low cost. 7 Hemi Engine at eBay. 4l heavy duty v8 hemi with mds. What is MDS on a Hemi Engine? See full list on blog. 10 axle ratio. Depending on the model, it produces nearly 500 horsepower and lb-ft of torque from the factory, and boasts outstanding towing capacity in Ram trucks. Chrysler engineers took the ingeniously powerful and masterfully efficient 5. In 2014, a revised version of the 6. The primary goal Jun 24, 2025 · Chrysler’s Multi-Displacement System (MDS) deactivates four of the Hemi V8’s eight cylinders during low-load, low-RPM cruising to improve fuel economy. 99 Apr 23, 2011 · MDS is a fuel saving measure that may or may not work well (it all depends upon who you ask). By comparing the sales codes for engines and transmissions from the Body Code Plate with the sales codes provided below, you can more accurately identify the correct 5. 7 HEMI with eTorque produces 395 horsepower and 410 lb-ft of torque, the same numbers you get with the non-hybrid 5. When activated, it allows the engine to run on four cylinders during light-load driving conditions. 7L HEMI® V8, and you’ll enjoy up to 12,750 pounds of RAM truck towing capacity—more than enough capability for virtually any job. It took me a while but I now know that this vibration is coming from the MDS system. 4 Hemi with MDS in my current Sep 8, 2022 · The 5. Almost right away I started to notice a strange vibration from the power train at various speeds and conditions. 7L V8 Hemi MDS VVT Engine (Sales Code EZH). 7-liter HEMI engine has gone bad and how difficult it is to replace them yourself. Below are the key aspects of its engine configuration: V8 Configuration – The engine is designed with a V8 layout, which provides a balance between power and smooth operation. 7L engine is beloved for its versatility Jan 12, 2025 · Overview of the 5. 7 Hemi V8 engine special? We took a closer look to find out. 7l v8 hemi mds vvt engine w/ bsg. 00 MDS Delete Kit & inTune i3 w/ PCM Swap for 2015+ Dodge Durango / Jeep Grand Cherokee 5. 7L V8 mods guide. 6L V6 ENGINE EZH = 5. "In 2005, the Multiple Displacement System (MDS) version of the 5. MDS allows the engine to temporarily deactivate up to four of its eight cylinders during light-load driving conditions, improving fuel efficiency without sacrificing performance. 7 HEMI V8 OHV MDS engines. 7L Hemi V-8 can be found in 2003 to current model year Ram 1500, 2500, and 3500 trucks in addition to a variety of Dodge and Chrysler cars/SUVs. The 5. Some have 5. Surprisingly, I am We've got everything you need to know about the 6. 00 5. 7-Liter V8 HEMI® MDS VVT Engine 5. 7L Hemi V8. 62 = REGULAR CAB 8' BOX, 98 = CREW CAB 5'7" BOX, 91 = CREW CAB 6'4" BOX ENGINE: ERB = 3. Introduced in 2005, this feature is found on most Hemi-powered vehicles, excluding manual transmission Challengers, early truck variants, and high-performance models like the 6. 7 HEMI engine's performance, reliability, fuel economy, and aftermarket potential to determine if it's right for you. Jan 21, 2025 · Dodge HEMI Engine Specifications The Dodge HEMI engine has become synonymous with power and performance in the automotive world. 1 Hemi V8 got a billet steel high-strength camshaft with more overlap and lift, and tuned for higher engine speed operation close to 6,400 rpm. 7L V8 HEMI MDS VVT eTorque Engine) but just doing a 3. 7 Hemi May 16, 2024 · 5. 7L Hemi engines have a feature called MDS. What am I missing? Aug 30, 2023 · Here is a breakdown of the towing capacity by engine size: 6. That’s because this powerhouse engine option achieves 395 hp and 410 lb-ft of torque. Known for its robust performance and distinctive design, this engine has become synonymous with American muscle and off-road capability. As an icon of modern American muscle, the 5. 7 V8 MDS VVT on the build sheet. It debuted in 2005 on the 5. It was a problem with Hemis before MDS was added and has seem to got worse with VVT. 4l v8 heavy duty hemi mds engine. One thing that has me wondering has to do with the MDS system. Every other page shows the "5. The last entry is a duplicate across the chart except the tow rating. – The HEMI design includes hemispherical combustion chambers, which enhance airflow and Jul 21, 2018 · Both says: 5. Apr 29, 2025 · ⭐2014-2020 RAM 1500 5. 7L V8 Hemi Engine (2005-2009) Non MDS for enduring strength, legendary capability, and unmatched performance on every Aug 25, 2024 · If your vehicle has a 5. 2 L Hemi V8 Engine The supercharged HEMI is a very unique engine in that it is only offered in the Ram 1500 TRX. And, among many machines you can find on vehicles today, maybe, 6. 7L V8 Hemi 2009-2019 FEATURES Guaranteed to fit and meet the specifications of the parts being replaced Utilizes the latest in design and material technology, ensuring quiet and maintenance-free experience Apr 5, 2023 · We give you a parts list & brief 101 guide to show you how to remove the MDS system found in many third-gen. 7 HEMI? My Superchips can disable it on my 2010. To locate these solenoids in a 5. If you select the Dec 26, 2018 · The "RAM 1500 4X2 QUAD ST 6'4" BOX" page on that chart is either typo'd or extremely confusing. 7L HEMI with MDS VVT and the 2023-current 5. Anything I'm missing here or fairly spot on? ** FYI I know I could push my current 3. 4 Hemi engine are Multi-Displacement System (MDS) issues, engine tick, transmission failure, and misfires. Its Hemi design allows for excellent airflow that really wakes up with a more aggressive camshaft. Starting in 2007, Chrysler made it available as a crate engine, and in 2012 they introduced it to the production market. 4l v8 hemi upgrade hd engine. Jan 16, 2022 · Im a looking at the new 2022 Ram Longhorn Limited, it has that V8 with the MDS VVT engine. Found in various Dodge and Jeep models, this engine boasts impressive horsepower and torque. 2021 RAM 1500 Payload Capacity Chart The 5. 7L HEMI MDS DELETE ENGINE engine is the premium offering from Fraser Engines, representing our highest-quality build. This information is useful to the technician to identify the vehicle’s engine and transmission. 92 An engine is the core of a vehicle. 7L Hemi v8 MDS Camshaft + Lifters Kit Compatible with 2009 Chrysler Aspen, Durango, 2009-2024 Ram 1500 (Classic) vvt vct Engines # 53022263AF 53022263AE 5038785AD 5038785AA 5038785AB The 5. 1aauto. It is the system that creates the power to move cars. In my real world driving there is virtually zero fuel savings using the MDS technology. The MDS includes several solenoids to deactivate the cylinders and increase fuel economy. Ram claims the 5. I have been experimenting with MDS off (8th gear trick) and can really tell the difference in sound and feel when MDS is turned on/off. 73 or 4. 7L V8 HEMI MDS VVT eTorque Engine 3. 4L HEMI V8 engine, including detailed specs, performance features, reliability insights, and common issues. 4L 4500s and 5500s do. 7 Hemi, first, we should know about the firing order of a 5. Dec 1, 2022 · Essentially, the V8 HEMI becomes a 4-cylinder engine when MDS is activated. Dec 1, 2019 · The problem is, there is barley enough splash/thrown lubrication from the crankshaft that makes it's way to the roller bearings. This is a seamless process, so you're likely to not even notice (except for the lil "ECON" light in the EVIC). 4L truck Hemi do have MDS. We briefly discussed cam upgrade kits in our 5 best 5. 00 MDS Delete Kit & inTune i3 w/ PCM Swap for 2015-2022 RAM 5. All weights are shown in pounds unless otherwise stated Payload and Max Trailer weights are ESTIMATED values and rounded to nearest 10 lbs. Jul 14, 2025 · Explore the 5. 7L Hemi Jan 29, 2023 · MDS, or Multi-Displacement System, is a fuel-saving technology found in certain Chrysler vehicles with Hemi engines. Notes: Engines: 6. 2L Hellcat. 7l v8 hemi hev engine. Cylinders marked in white are shut during MDS operation. This engine produces 410 horsepower and 429 lb-ft of torque. I understand how it works for the most part as I have a 6. 0L DIESEL V6 ENGINE - NOTES: DS vehicles built on or after September 06, 2019 (MDH 0906XX) on or before September 20, 2019 (MDH 0920XX) equipped with a 5. -ft and 702 hp. 7L Hemi V-8 engine specs, history, and information. It essentially will drop the HEMI down to 4 cylinders when conditions are right. 7L V8. Multiple Displacement Systems (MDS) is a system used on the 5. 4 4wd CC short bed with 3. We explain what that means and how to find out if the Hemi engine in your car or truck has MDS. The 6. 21 past 57 MPH it just felt like 57 MPH was it's happy zone to maintain on flat Oct 4, 2024 · Turning Off MDS on a Dodge RamThe Multi-Displacement System (MDS) in Dodge Ram trucks with Hemi engines can be turned off through various methods, both Sep 8, 2022 · The 5. 21. But this technology is also called the Multiple Displacement System. That’s Aug 22, 2017 · I was surprised to find out that my 2017 Hemi QC has "MDS". 7 HEMI V8. When the throttle is closed or at steady speeds, it deactivates four of the V8’s cylinders. 7 Hemi do not have MDS -All Ram 2500s and 3500s with the 6. 7L V8 4X2 HEMI ENGINE MOTOR BLOCK 163K MILES OEM LOT2612 Oct 25, 2008 · HEMI-stry. Absolutly 100% Brand New REPLACE: 53021726BC, 53021726BB, 53021726AC 5038785AD. It was a 6. Renowned for its distinctive hemispherical combustion chamber design, the HEMI engine offers impressive horsepower and torque figures, making it a favorite among enthusiasts. 1 Hemi engine and 5. It comes with a rear-wheel drive configuration and a 3. 7 Hemi. 7L HEMI specs, problems, reliability, and performance upgrades. 7L V8 HEMI MDS VVT ENGINE W/ BSG" as having a slightly lower tow rating. Aug 25, 2025 · Tired of your Hemi engine shifting between 4 and 8 cylinders? You’re about to discover exactly how to disable MDS on your Hemi engine. 7-liter V8 into a more efficient 4-cylinder engine. I am not sure if the 6. 7L Hemi Engines AMS Racing From $ 1,125. 21 Rear Axle Ratio AndoTX Jun 15, 2023 Towing & Hauling 5 6 7 Replies 126 Views 36K Feb 7, 2024 Aug 7, 2025 · The Multi-Displacement System (MDS) in your 5. Find out if it’s the right engine for you! Aug 3, 2024 · What's confusing are the power and torque outputs. The FRASER ADVANTAGE 5. Chrysler 's Multi-Displacement System (MDS) is an automobile engine variable displacement technology. 7L and 6. This advanced engine delivers a perfect balance of raw power and enhanced fuel efficiency through innovative cylinder deactivation technology, allowing the engine to operate on fewer cylinders under light-load conditions while unleashing May 26, 2024 · Some 5. M6 and I'm trying to find the tie breaker. 7L Chrysler HEMI V8 engines to allow 4 cylinder operation during light loads conditions. 4 Hemi with MDS in my current Upgrade your ride with the Dodge 5. Oct 24, 2022 · Hello all. 7L V8 HEMI® MDS VVT eTorque Engine w/ Stop/Start 18 city / 23 highway EPA-estimated MPG 395 hp 410 lb-ft of torque 12,750 pounds of max towing capacity RAM 1500 LIMITED RAM 1500 LIMITED LONGHORN™ RAM 1500 LARAMIE® RAM 1500 REBEL® RAM 1500 BIG HORN® RAM 1500 TRADESMAN® Learn About Your RAM 1500 eTorque Options at Jack Powell Chrysler Jan 13, 2019 · The Chrysler Group Multi-Displacement System (MDS) is a fuel-saving cylinder deactivation technology that is here today – customers get the power and capability of the HEMI® V-8 that they desire with an improvement in fuel economy of up to 20 percent. 7-liter HEMI® V8 MDS dual Variable Valve Timing engine packs 357 horsepower at 5,800 rpm and 390 lb-ft of torque at 4,200 rpm. Payload = GVWR - Base Weight, MUST include trailer (tongue) weight if towing Hitch rating, GAWRs, GVWRs and GCWRs should never be exceeded. This article will delve into the MDS Jun 5, 2025 · Ram has opened orders for the return of the 5. This reduces fuel consumption and emissions, but it also reduces power and performance Mar 3, 2011 · In the Information Compilation thread, I was asked for more information on Eco Mode and MDS of the Hemi. May 22, 2009 · The dealer is searching out a truck for me. Jan 18, 2024 · Include: 4pcs Front MDS lifters and 1pcs lifter tray, and this valve lifter set only fit 5. 4-liter engine stands out in the realm of high-performance engines, delivering exceptional power and excitement. Oct 9, 2025 · MDS Technology in RAM HEMI Engines Overview of MDS MDS, or Multi-Displacement System, is a fuel-saving technology integrated into RAM trucks equipped with the HEMI V8 engine. Manufactured to OE specification for fit, form, and function, can fully fit original car directly. Jan 28, 2023 · For many enthusiasts, the Chrysler/Dodge 6. 70 $ 899. . 4L SRT engine is available on the Dodge Charger and Challenger lineups. I barely feel it Reply reply 1hotjava • Here’s a close look at the 6. Jan 8, 2017 · MDS is a feature of certain engines -Ram 1500s with the Hemi all have MDS -Ram heavy duties (2500, 3500, 4500, 5500) with the 5. 7L Hemi AMS Racing From $ 1,045. 7L V8 MDS Lifters Kit Assembly 53022263AF 53021726AD 53021726AE Sales Codes — Engine The Body Code Plate contains the specific sales codes of components used in the particular vehicle. 4 HEMI V8 Engine is one of the most popular engines. 2020 Ram HEMI® 6. See its specs, history, and more here. 6. 7-liter HEMI® V-8 in the 2026 Ram 1500, a direct result of customer input. What should I expect in *typical* driving? Towing a 6K travel trailer? thx As with the prior 5. So my question, is there a diffrence and if so whats the diffrence? I have tried looking on the net, but all i can make out so far is the VVT have Oct 28, 2013 · Does anyone know if there's a tuner that will disable the MDS on the 2013-14 5. 4L V-8 Heavy Duty HEMI MDS engine is a powerful gasoline engine that features Chrysler's Multi-Displacement System (MDS) technology. knhpnduk6vmanks4w4iimyksmvfyx0r3zngwq2hgcv68