20 Myths About Buy Dodge Ram Truck Engine: Busted

· 5 min read
20 Myths About Buy Dodge Ram Truck Engine: Busted

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 capability, hauling power, and distinctive styling, a Ram truck is often a long-lasting buddy for its owner. However, even the most long lasting devices reach a point where the heart of the automobile-- the engine-- begins to stop working. Whether it is because of high mileage, catastrophic mechanical failure, or a desire for a performance upgrade, purchasing a replacement engine is a substantial investment.

This guide supplies a comprehensive introduction for those seeking to buy a Dodge Ram truck engine, covering the types of engines offered, the distinctions in between grabbing new versus used, and the technical requirements required to make a notified 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. For many years, Chrysler (and consequently Stellantis) has actually improved 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 connected with the Ram 1500. Since its reintroduction in 2003, it has actually ended up being synonymous with "Mopar" power. It features a hemispherical combustion chamber that permits better air flow and greater pressure, resulting in 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 standard. Known for its extreme longevity and huge torque output, it is the preferred choice for heavy towing and industrial work.

3. The 3.6 L Pentastar ™ V6

Introduced 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 choice for motorists who use their trucks as daily commuters instead of heavy-duty workhorses.

4. The 4.7 L Magnum V8

Found frequently 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, numerous of these trucks stay on the roadway, developing a stable need for replacement Magnum engines.


Technical Specifications Comparison

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

Engine TypeDisplacementFuel TypeTypical HorsepowerCommon TorqueFinest Use Case
Pentastar V63.6 LGas305 hp269 lb-ftLight duty, fuel economy
Magnum V84.7 LGasoline235 - 310 hp295 - 330 lb-ftMid-range older models
HEMI V85.7 LGas345 - 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-ftExtreme towing, durability

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

One of the most critical decisions in the purchasing procedure is the "condition" classification of the engine. Each features its own set of pros and cons regarding cost and dependability.

New Engines (Crate Engines)

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

  • Pros: Maximum life-span, no miles, extensive factory warranty.
  • Cons: The most pricey option; may surpass the overall market value of an older truck.

Remanufactured Engines

A remanufactured engine is an utilized engine that has actually been completely dismantled, cleaned, and inspected. Any worn parts are replaced with brand-new elements, and the engine is machined to fulfill initial devices maker (OEM) requirements.

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

Utilized Engines (Recycled)

These are pulled straight from donor cars-- generally trucks that were included in mishaps however had functioning engines.

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

Important Checklist Before You Buy

To guarantee a smooth transaction and prevent 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. Constantly offer this to the seller to guarantee the displacement and setup match your truck's computer system.
  2. Check for "Long Block" vs. "Short Block":
  • A Short Block consists of the block, crankshaft, pistons, and connecting rods.
  • A Long Block includes everything in the short block plus the cylinder heads, camshaft, and valvetrain. A lot of purchasers choose a Long Block for an easier setup.
  1. Verify the "Core Charge": Most sellers require you to send back 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. Examine the Warranty Terms: Does the service warranty cover labor costs if the replacement engine stops working, or simply the parts?  JP Spare Parts USA  is a crucial distinction for those paying a mechanic for installation.
  3. Review Maintenance Records: If purchasing an utilized engine, ask for the CARFAX of the donor automobile or proof of oil modifications.

Warning 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. Common indications that a Ram engine is beyond repair consist of:

  • The "HEMI Tick": While sometimes just a manifold bolt issue, a loud, consistent metallic ticking can signify lifter failure and camshaft damage.
  • Excessive Oil Consumption: If the engine is burning through quarts of oil without a visible leak, the piston rings or valve seals are most likely failing.
  • Metal Shavings in Oil: Finding "shine" or metal flakes during an oil modification suggests that internal bearings are disintegrating.
  • Coolant in the Oil: A milky "chocolate milk" look on the dipstick suggests a cracked block or a blown head gasket.

Regularly Asked Questions (FAQ)

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

Depending upon the year and engine type, expenses usually vary from ₤ 4,000 to ₤ 12,000. A secondhand 4.7 L engine may be on the lower end, while a remanufactured 6.7 L Cummins diesel can easily surpass ₤ 10,000 for the unit alone. Labor expenses normally add 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 only the engine but also a brand-new transmission, wiring harness, engine control module (ECM), and cooling system elements. It is often more economical to offer the V6 truck and buy a V8-equipped model.

The length of time do Cummins engines normally last?

With correct upkeep, a 6.7 L Cummins engine can last 300,000 to 500,000 miles. On the other hand, a gas 5.7 L HEMI normally 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 among the most reputable V8s on the marketplace. Nevertheless, it is sensitive to oil change periods. Utilizing the incorrect viscosity or disregarding oil changes can lead to early wear of the Multi-Displacement System (MDS) lifters.


Buying a replacement engine for a Dodge Ram is a major endeavor, but it is frequently the most logical course to extending the life of a relied on automobile. By comprehending the specs of your specific model, weighing the benefits of remanufactured units versus used ones, and performing due diligence on warranties and VIN compatibility, you can ensure 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 finish the task.