How To Outsmart Your Boss On Buy Dodge Ram Truck Engine

· 5 min read
How To Outsmart Your Boss On Buy Dodge Ram Truck Engine

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

For years, the Ram truck-- previously the Dodge Ram-- has stood as a titan of American engineering. Understood for its rugged ability, carrying power, and distinctive styling, a Ram truck is frequently a lifelong buddy for its owner. However, even the most long lasting devices reach a point where the heart of the vehicle-- the engine-- begins to stop working. Whether it is because of high mileage, disastrous mechanical failure, or a desire for an efficiency upgrade, buying a replacement engine is a substantial financial investment.

This guide supplies a detailed overview for those wanting to buy a Dodge Ram truck engine, covering the types of engines readily available, the distinctions in between reaching for brand-new versus utilized, and the technical specs required to make an informed choice.


Understanding the Ram Engine Lineup

Before proceeding with a purchase, it is crucial to comprehend which engine belongs in which generation of the Ram truck. Over the years, Chrysler (and consequently Stellantis) has 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 maybe the most renowned engine associated with the Ram 1500. Since its reintroduction in 2003, it has actually become synonymous with "Mopar" power. It features a hemispherical combustion chamber that enables much better airflow and greater pressure, leading to impressive 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 standard. Understood for its extreme durability and huge torque output, it is the favored option for heavy towing and commercial work.

3. The 3.6 L Pentastar ™ V6

Presented as a more fuel-efficient option for the light-duty Ram 1500, the Pentastar V6 uses variable valve timing (VVT) to stabilize power and economy. It is an outstanding choice for drivers who utilize their trucks as day-to-day commuters rather than heavy-duty workhorses.

4. The 4.7 L Magnum V8

Found frequently in older 2000s designs, the 4.7 L Magnum was a precursor to the prevalent usage of the 5.7 L HEMI. While less powerful, much of these trucks remain on the road, producing a constant need for replacement Magnum engines.


Technical Specifications Comparison

When purchasing a replacement engine, matching the requirements to your truck's requirements is non-negotiable. Below is  Dodge Ram Truck Engine Part USA  of the most typical engines discovered in Ram trucks over the last 20 years.

Engine TypeDisplacementFuel TypeTypical HorsepowerCommon TorqueFinest Use Case
Pentastar V63.6 LFuel305 hp269 lb-ftLight task, fuel economy
Magnum V84.7 LGasoline235 - 310 hp295 - 330 lb-ftMid-range older designs
HEMI V85.7 LFuel345 - 395 hp375 - 410 lb-ftGeneral towing, performance
HEMI V86.4 LFuel410 hp429 lb-ftDurable work (Gas)
Cummins I66.7 LDiesel370 - 420 hp850 - 1,075 lb-ftSevere towing, durability

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

Among the most critical choices in the purchasing procedure is the "condition" classification of the engine. Each comes with its own set of benefits and drawbacks relating to cost and dependability.

New Engines (Crate Engines)

Buying a brand-new "dog crate" engine straight from Mopar or licensed dealerships ensures that every component is fresh from the factory.

  • Pros: Maximum life-span, zero miles, thorough factory warranty.
  • Cons: The most expensive alternative; might surpass the overall market value of an older truck.

Remanufactured Engines

A remanufactured engine is a used engine that has been completely dismantled, cleaned, and checked. Any worn parts are replaced with brand-new elements, and the engine is machined to meet initial devices producer (OEM) specifications.

  • Pros: Often equivalent from brand-new performance-wise, normally consists of a multi-year warranty, more budget-friendly than new.
  • Cons: Quality depends heavily on the company doing the remanufacturing.

Utilized Engines (Recycled)

These are pulled directly from donor cars-- generally trucks that were associated with mishaps however had operating engines.

  • Pros: The least costly method to get a truck back on the road.
  • Cons: Unknown history, minimal warranty (often 30-- 90 days), threat of undiagnosed internal wear.

Vital Checklist Before You Buy

To make sure a smooth transaction and prevent the purchase of an incompatible motor, follow this necessary checklist.

  1. Validate the VIN (Vehicle Identification Number): The 8th digit of your VIN is the engine code. Always supply this to the seller to ensure the displacement and setup match your truck's computer system.
  2. Inspect for "Long Block" vs. "Short Block":
  • A Short Block includes the block, crankshaft, pistons, and connecting rods.
  • A Long Block consists of whatever in the brief block plus the cylinder heads, camshaft, and valvetrain. Most purchasers prefer a Long Block for an easier setup.
  1. Confirm the "Core Charge": Most sellers need 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. Check the Warranty Terms: Does the guarantee cover labor costs if the replacement engine fails, or simply the parts? This is a crucial distinction for those paying a mechanic for installation.
  3. Evaluation Maintenance Records: If purchasing a used engine, ask for the CARFAX of the donor lorry or proof of oil modifications.

Caution Signs That You Need a New Engine

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

  • The "HEMI Tick": While often simply a manifold bolt concern, a loud, constant metal ticking can represent lifter failure and camshaft damage.
  • Excessive Oil Consumption: If the engine is burning through quarts of oil without a visible leakage, the piston rings or valve seals are likely failing.
  • Metal Shavings in Oil: Finding "glitter" or metal flakes throughout an oil change suggests that internal bearings are breaking down.
  • Coolant in the Oil: A milky "chocolate milk" appearance on the dipstick recommends a cracked block or a blown head gasket.

Frequently Asked Questions (FAQ)

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

Depending on the year and engine type, expenses generally range from ₤ 4,000 to ₤ 12,000. A pre-owned 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 costs 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. It requires not just the engine however also a new transmission, circuitry harness, engine control module (ECM), and cooling system components. It is almost constantly more cost-effective to sell the V6 truck and purchase a V8-equipped design.

For how long do Cummins engines normally last?

With appropriate upkeep, a 6.7 L Cummins engine can last 300,000 to 500,000 miles. In contrast, a gas 5.7 L HEMI generally lasts between 200,000 and 250,000 miles before requiring substantial overhaul.

Is the 5.7 L HEMI a trusted engine?

Yes, it is considered one of the most trustworthy V8s on the market. Nevertheless, it is delicate to oil modification periods. Using the wrong viscosity or overlooking oil changes can cause early wear of the Multi-Displacement System (MDS) lifters.


Buying a replacement engine for a Dodge Ram is a significant endeavor, but it is frequently the most sensible path to extending the life of a trusted automobile. By comprehending the requirements of your particular model, weighing the benefits 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 seeking the raw power of the HEMI or the legendary endurance of a Cummins, the ideal engine is out there to help you complete the task.