"Ask Me Anything," 10 Answers To Your Questions About Buy Dodge Ram Truck Engine

· 5 min read
"Ask Me Anything," 10 Answers To Your Questions About Buy Dodge Ram Truck Engine

The Ultimate Guide to Buying a Dodge Ram Truck Engine: Everything You Need to Know

For decades, the Ram truck-- formerly the Dodge Ram-- has actually stood as a titan of American engineering. Understood for its rugged capability, transporting power, and unique styling, a Ram truck is often a long-lasting buddy for its owner. Nevertheless, even the most resilient devices reach a point where the heart of the vehicle-- the engine-- starts to stop working. Whether it is because of high mileage, catastrophic mechanical failure, or a desire for a performance upgrade, acquiring a replacement engine is a substantial financial investment.

This guide supplies an extensive summary for those looking to purchase a Dodge Ram truck engine, covering the kinds of engines available, the distinctions between grabbing new versus utilized, and the technical specifications required to make a notified decision.


Comprehending the Ram Engine Lineup

Before proceeding with a purchase, it is crucial to comprehend which engine belongs in which generation of the Ram truck. Throughout the years, Chrysler (and consequently Stellantis) has actually improved its lineup to include high-displacement V8s, fuel-efficient V6s, and world-renowned diesel powerhouses.

1. The Legendary 5.7 L HEMI ® V8

The HEMI is perhaps the most renowned engine associated with the Ram 1500. Given that its reintroduction in 2003, it has actually become synonymous with "Mopar" power. It features a hemispherical combustion chamber that allows for better air flow and higher pressure, leading to remarkable horse power and torque.

2. The 6.7 L Cummins ® Turbo Diesel

For those who own a Ram 2500 or 3500 Heavy Duty, the Cummins engine is the gold requirement. Known for its severe longevity and massive torque output, it is the preferred option for heavy towing and business work.

3. The 3.6 L Pentastar ™ V6

Presented as a more fuel-efficient alternative for the light-duty Ram 1500, the Pentastar V6 uses variable valve timing (VVT) to balance power and economy. It is an excellent option for motorists who utilize their trucks as everyday commuters instead of sturdy workhorses.

4. The 4.7 L Magnum V8

Found regularly in older 2000s models, the 4.7 L Magnum was a precursor to the prevalent use of the 5.7 L HEMI. While less powerful, a lot of these trucks stay on the road, creating a consistent demand for replacement Magnum engines.


Technical Specifications Comparison

When buying a replacement engine, matching the specs to your truck's requirements is non-negotiable. Below is a comparison of the most common engines found in Ram trucks over the last twenty years.

Engine TypeDisplacementFuel TypeTypical HorsepowerTypical TorqueFinest Use Case
Pentastar V63.6 LGasoline305 hp269 lb-ftLight responsibility, fuel economy
Magnum V84.7 LGas235 - 310 hp295 - 330 lb-ftMid-range older models
HEMI V85.7 LGasoline345 - 395 hp375 - 410 lb-ftGeneral towing, efficiency
HEMI V86.4 LFuel410 hp429 lb-ftSturdy work (Gas)
Cummins I66.7 LDiesel370 - 420 hp850 - 1,075 lb-ftExtreme towing, durability

New, Remanufactured, or Used: Which is Right for You?

One of the most vital choices in the buying procedure is the "condition" category of the engine.  click here  includes its own set of benefits and drawbacks regarding cost and reliability.

New Engines (Crate Engines)

Buying a brand-new "cage" engine straight from Mopar or licensed dealers ensures that every part is fresh from the factory.

  • Pros: Maximum lifespan, absolutely no miles, comprehensive factory service warranty.
  • Cons: The most costly option; may surpass the overall market value of an older truck.

Remanufactured Engines

A remanufactured engine is a used engine that has actually been totally dismantled, cleaned up, and checked. Any worn parts are changed with new elements, and the engine is machined to meet original equipment manufacturer (OEM) specs.

  • Pros: Often indistinguishable from brand-new performance-wise, typically includes a multi-year warranty, more economical than new.
  • Cons: Quality depends greatly on the business doing the remanufacturing.

Utilized Engines (Recycled)

These are pulled straight from donor lorries-- usually trucks that were included in accidents however had operating engines.

  • Pros: The least expensive method to get a truck back on the roadway.
  • Cons: Unknown history, limited service warranty (frequently 30-- 90 days), danger of undiagnosed internal wear.

Necessary Checklist Before You Buy

To guarantee a smooth transaction and avoid the purchase of an incompatible motor, follow this necessary list.

  1. Validate the VIN (Vehicle Identification Number): The 8th digit of your VIN is the engine code. Always provide this to the seller to guarantee the displacement and configuration match your truck's computer system.
  2. Look for "Long Block" vs. "Short Block":
  • A Short Block includes the block, crankshaft, pistons, and linking rods.
  • A Long Block includes whatever in the brief block plus the cylinder heads, camshaft, and valvetrain. A lot of purchasers prefer a Long Block for an easier installation.
  1. Verify the "Core Charge": Most sellers require you to return your old, damaged engine (the "core"). If you do not, you will likely be charged a core cost varying from ₤ 500 to ₤ 2,000.
  2. Inspect the Warranty Terms: Does the service warranty cover labor costs if the replacement engine fails, or simply the parts? This is a vital distinction for those paying a mechanic for setup.
  3. Evaluation Maintenance Records: If purchasing a used engine, ask for the CARFAX of the donor car or proof of oil modifications.

Indication That You Need a New Engine

Before committing to a multi-thousand-dollar purchase, guarantee your existing engine can not be saved by simpler repairs. Typical signs that a Ram engine is beyond repair work consist of:

  • The "HEMI Tick": While in some cases just a manifold bolt problem, a loud, constant metallic ticking can represent lifter failure and camshaft damage.
  • Excessive Oil Consumption: If the engine is burning through quarts of oil without a noticeable leak, the piston rings or valve seals are likely failing.
  • Metal Shavings in Oil: Finding "glitter" or metal flakes during an oil change suggests that internal bearings are disintegrating.
  • Coolant in the Oil: A milky "chocolate milk" look on the dipstick suggests a split block or a blown head gasket.

Frequently Asked Questions (FAQ)

How much does it cost to replace a Dodge Ram engine?

Depending upon the year and engine type, costs usually vary from ₤ 4,000 to ₤ 12,000. A used 4.7 L engine might be on the lower end, while a remanufactured 6.7 L Cummins diesel can quickly surpass ₤ 10,000 for the system alone. Labor expenses generally include another ₤ 1,500 to ₤ 3,000.

Can I switch a V6 for a V8 HEMI?

While a "HEMI swap" is physically possible, it is technically complex. It needs not just the engine however also a brand-new transmission, wiring harness, engine control module (ECM), and cooling system parts. It is often more cost-efficient to offer the V6 truck and purchase a V8-equipped model.

The length of time do Cummins engines typically last?

With proper upkeep, a 6.7 L Cummins engine can last 300,000 to 500,000 miles. In contrast, a gasoline 5.7 L HEMI usually lasts between 200,000 and 250,000 miles before requiring considerable overhaul.

Is the 5.7 L HEMI a trustworthy engine?

Yes, it is considered one of the most trusted V8s on the marketplace. Nevertheless, it is sensitive to oil change periods. Utilizing the incorrect viscosity or neglecting oil modifications can result in early wear of the Multi-Displacement System (MDS) lifters.


Purchasing a replacement engine for a Dodge Ram is a major endeavor, however it is often the most logical path to extending the life of a relied on lorry. By understanding the specs of your specific model, weighing the advantages of remanufactured systems versus utilized ones, and carrying out due diligence on guarantees and VIN compatibility, you can guarantee your Ram truck stays on the road for many years to come. Whether you are looking for the raw power of the HEMI or the famous endurance of a Cummins, the best engine is out there to assist you end up the job.