What NOT To Do During The Buy Dodge Ram Truck Engine Industry

What NOT To Do During The Buy Dodge Ram Truck Engine Industry

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 stood as a titan of American engineering. Known for its rugged ability, hauling power, and unique styling, a Ram truck is typically a lifelong companion for its owner. However, even the most durable devices reach a point where the heart of the vehicle-- the engine-- begins to fail. Whether it is because of high mileage, catastrophic mechanical failure, or a desire for a performance upgrade, acquiring a replacement engine is a considerable financial investment.

This guide supplies an extensive introduction for those seeking to purchase a Dodge Ram truck engine, covering the types of engines readily available, the distinctions between grabbing brand-new versus used, and the technical specifications needed to make a notified choice.


Understanding the Ram Engine Lineup

Before proceeding with a purchase, it is important to understand which engine belongs in which generation of the Ram truck. Throughout the years, Chrysler (and subsequently Stellantis) has actually fine-tuned its lineup to consist of 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 iconic engine associated with the Ram 1500. Considering that its reintroduction in 2003, it has ended up being synonymous with "Mopar" power. It includes a hemispherical combustion chamber that permits much better air flow and higher pressure, leading to impressive horsepower 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. Understood for its extreme durability and massive torque output, it is the preferred choice for heavy towing and commercial work.

3. The 3.6 L Pentastar ™ V6

Presented as a more fuel-efficient alternative for the light-duty Ram 1500, the Pentastar V6 utilizes variable valve timing (VVT) to balance power and economy. It is an exceptional choice for motorists who use their trucks as everyday commuters rather than durable workhorses.

4. The 4.7 L Magnum V8

Found frequently in older 2000s models, the 4.7 L Magnum was a precursor to the widespread usage of the 5.7 L HEMI. While less powerful, numerous of these trucks stay on the road, developing a consistent need for replacement Magnum engines.


Technical Specifications Comparison

When buying a replacement engine, matching the requirements to your truck's requirements is non-negotiable. Below is a contrast of the most typical engines found in Ram trucks over the last 20 years.

Engine TypeDisplacementFuel TypeCommon HorsepowerCommon TorqueFinest Use Case
Pentastar V63.6 LGas305 hp269 lb-ftLight duty, fuel economy
Magnum V84.7 LFuel235 - 310 hp295 - 330 lb-ftMid-range older designs
HEMI V85.7 LGasoline345 - 395 hp375 - 410 lb-ftGeneral towing, performance
HEMI V86.4 LFuel410 hp429 lb-ftHeavy-duty work (Gas)
Cummins I66.7 LDiesel370 - 420 hp850 - 1,075 lb-ftSevere towing, durability

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

One of the most crucial choices in the purchasing process is the "condition" classification of the engine. Each comes with its own set of pros and cons regarding cost and dependability.

New Engines (Crate Engines)

Buying a brand-new "crate" engine straight from Mopar or authorized dealerships makes sure that every element is fresh from the factory.

  • Pros: Maximum life expectancy, absolutely no miles, thorough factory guarantee.
  • Cons: The most costly choice; might go beyond the overall market worth of an older truck.

Remanufactured Engines

A remanufactured engine is an utilized engine that has been totally disassembled, cleaned up, and inspected. Any worn parts are replaced with brand-new parts, and the engine is machined to fulfill original devices maker (OEM) requirements.

  • Pros: Often identical from brand-new performance-wise, normally includes a multi-year guarantee, more inexpensive than new.
  • Cons: Quality depends greatly on the company doing the remanufacturing.

Utilized Engines (Recycled)

These are pulled directly from donor automobiles-- normally trucks that were included in mishaps but had functioning engines.

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

Vital Checklist Before You Buy

To make sure a smooth deal and prevent the purchase of an incompatible motor, follow this vital list.

  1. Verify the VIN (Vehicle Identification Number): The 8th digit of your VIN is the engine code. Constantly offer this to the seller to guarantee the displacement and configuration match your truck's computer system.
  2. Examine for "Long Block" vs. "Short Block":
  • A Short Block consists of the block, crankshaft, pistons, and linking rods.
  • A Long Block includes whatever in the brief block plus the cylinder heads, camshaft, and valvetrain. Most purchasers choose a Long Block for a simpler setup.
  1. Confirm 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 fee ranging from ₤ 500 to ₤ 2,000.
  2. Examine the Warranty Terms: Does the warranty cover labor costs if the replacement engine fails, or simply the parts? This is an important distinction for those paying a mechanic for setup.
  3. Evaluation Maintenance Records: If purchasing an utilized engine, request for the CARFAX of the donor automobile or proof of oil changes.

Indication That You Need a New Engine

Before dedicating to a multi-thousand-dollar purchase, ensure your existing engine can not be saved by easier repairs. Common indications that a Ram engine is beyond repair consist of:

  • The "HEMI Tick": While often simply 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 leakage, the piston rings or valve seals are likely failing.
  • Metal Shavings in Oil: Finding "shine" or metal flakes during an oil change suggests that internal bearings are breaking down.
  • Coolant in the Oil: A milky "chocolate milk" look on the dipstick recommends a cracked block or a blown head gasket.

Regularly Asked Questions (FAQ)

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

Depending on the year and engine type, expenses normally range from ₤ 4,000 to ₤ 12,000. A secondhand 4.7 L engine might be on the lower end, while a remanufactured 6.7 L Cummins diesel can quickly go beyond ₤ 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 intricate.  Dodge Ram USA  needs not just the engine but likewise a new transmission, circuitry harness, engine control module (ECM), and cooling system components. It is usually more cost-effective to offer the V6 truck and buy a V8-equipped design.

How long do Cummins engines generally last?

With appropriate 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 in between 200,000 and 250,000 miles before requiring considerable overhaul.

Is the 5.7 L HEMI a dependable engine?

Yes, it is thought about among the most trusted V8s on the marketplace. Nevertheless, it is sensitive to oil change intervals. Utilizing the wrong viscosity or ignoring oil changes can lead to premature wear of the Multi-Displacement System (MDS) lifters.


Purchasing a replacement engine for a Dodge Ram is a major undertaking, however it is often the most sensible course to extending the life of a relied on car. By comprehending the specs of your particular model, weighing the advantages of remanufactured units versus utilized ones, and carrying out due diligence on guarantees and VIN compatibility, you can ensure your Ram truck stays on the roadway for several years to come. Whether you are looking for the raw power of the HEMI or the legendary endurance of a Cummins, the ideal engine is out there to assist you finish the task.