10 Wrong Answers To Common Buy Dodge Ram Truck Engine Questions Do You Know The Right Ones?

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10 Wrong Answers To Common Buy Dodge Ram Truck Engine Questions Do You Know The Right Ones?

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

For years, the Ram truck-- formerly the Dodge Ram-- has stood as a titan of American engineering. Understood for its rugged capability, hauling power, and unique styling, a Ram truck is often a long-lasting companion for its owner. However, even the most durable devices reach a point where the heart of the lorry-- the engine-- starts to fail. Whether it is due to high mileage, disastrous mechanical failure, or a desire for a performance upgrade, buying a replacement engine is a considerable investment.

This guide supplies a comprehensive summary for those wanting to purchase a Dodge Ram truck engine, covering the types of engines readily available, the differences in between grabbing brand-new versus utilized, and the technical specifications needed to make an informed choice.


Comprehending the Ram Engine Lineup

Before continuing with a purchase, it is vital to comprehend which engine belongs in which generation of the Ram truck. For many years, Chrysler (and subsequently Stellantis) has actually refined 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. Given that its reintroduction in 2003, it has become synonymous with "Mopar" power. It features a hemispherical combustion chamber that permits better airflow and higher pressure, resulting in excellent 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 standard. Understood for its severe durability and huge torque output, it is the preferred option for heavy towing and business work.

3. The 3.6 L Pentastar ™ V6

Introduced 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 excellent choice for motorists who utilize their trucks as daily commuters instead of sturdy workhorses.

4. The 4.7 L Magnum V8

Found frequently in older 2000s models, the 4.7 L Magnum was a precursor to the extensive use of the 5.7 L HEMI. While less effective, a lot of these trucks remain on the roadway, producing a steady 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  Buy Dodge Ram Truck Part  of the most typical engines discovered in Ram trucks over the last 20 years.

Engine TypeDisplacementFuel TypeTypical HorsepowerCommon TorqueBest Use Case
Pentastar V63.6 LFuel305 hp269 lb-ftLight responsibility, fuel economy
Magnum V84.7 LFuel235 - 310 hp295 - 330 lb-ftMid-range older designs
HEMI V85.7 LGas345 - 395 hp375 - 410 lb-ftGeneral towing, efficiency
HEMI V86.4 LGas410 hp429 lb-ftSturdy 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 buying process is the "condition" classification of the engine. Each comes with its own set of advantages and disadvantages regarding cost and reliability.

New Engines (Crate Engines)

Buying a brand-new "cage" engine directly from Mopar or licensed dealerships guarantees that every component is fresh from the factory.

  • Pros: Maximum lifespan, zero miles, extensive factory warranty.
  • Cons: The most costly alternative; might exceed the overall market price of an older truck.

Remanufactured Engines

A remanufactured engine is an utilized engine that has actually been completely disassembled, cleaned up, and inspected. Any worn parts are changed with new elements, and the engine is machined to fulfill original devices maker (OEM) specifications.

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

Utilized Engines (Recycled)

These are pulled directly from donor lorries-- generally trucks that were associated with accidents however had functioning engines.

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

Vital Checklist Before You Buy

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

  1. Verify the VIN (Vehicle Identification Number): The 8th digit of your VIN is the engine code. Always offer this to the seller to make sure the displacement and setup match your truck's computer system.
  2. Check for "Long Block" vs. "Short Block":
  • A Short Block includes the block, crankshaft, pistons, and linking rods.
  • A Long Block consists of whatever in the brief block plus the cylinder heads, camshaft, and valvetrain. The majority of purchasers prefer a Long Block for an easier installation.
  1. Validate the "Core Charge": Most sellers need you to send back your old, damaged engine (the "core"). If you do not, you will likely be charged a core cost ranging from ₤ 500 to ₤ 2,000.
  2. Check the Warranty Terms: Does the service warranty cover labor expenses if the replacement engine stops working, or simply the parts? This is a crucial distinction for those paying a mechanic for installation.
  3. Review Maintenance Records: If buying a used engine, request for the CARFAX of the donor car or proof of oil changes.

Caution Signs That You Need a New Engine

Before devoting to a multi-thousand-dollar purchase, ensure your existing engine can not be saved by simpler repairs. Typical signs that a Ram engine is beyond repair include:

  • The "HEMI Tick": While in some cases just a manifold bolt issue, a loud, consistent metallic ticking can signify lifter failure and camshaft damage.
  • Extreme Oil Consumption: If the engine is burning through quarts of oil without a noticeable leak, the piston rings or valve seals are most likely stopping working.
  • Metal Shavings in Oil: Finding "shine" or metal flakes throughout an oil change shows that internal bearings are disintegrating.
  • Coolant in the Oil: A milky "chocolate milk" appearance on the dipstick recommends 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, expenses normally vary from ₤ 4,000 to ₤ 12,000. A pre-owned 4.7 L engine may be on the lower end, while a remanufactured 6.7 L Cummins diesel can quickly exceed ₤ 10,000 for the unit alone. Labor expenses normally include another ₤ 1,500 to ₤ 3,000.

Can I swap a V6 for a V8 HEMI?

While a "HEMI swap" is physically possible, it is technically complicated. It requires not just the engine but also a brand-new transmission, wiring harness, engine control module (ECM), and cooling system components. It is usually more cost-effective to offer the V6 truck and purchase a V8-equipped design.

How long do Cummins engines normally last?

With correct upkeep, a 6.7 L Cummins engine can last 300,000 to 500,000 miles. In contrast, a fuel 5.7 L HEMI generally 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 considered one of the most reputable V8s on the market. However, it is delicate to oil change periods. Using the wrong viscosity or ignoring oil modifications can lead to early wear of the Multi-Displacement System (MDS) lifters.


Buying a replacement engine for a Dodge Ram is a major undertaking, however it is frequently the most rational path to extending the life of a relied on lorry. By comprehending the requirements of your specific design, weighing the advantages of remanufactured units versus used ones, and performing due diligence on guarantees and VIN compatibility, you can ensure your Ram truck stays on the roadway for many years to come. Whether you are looking for the raw power of the HEMI or the famous endurance of a Cummins, the right engine is out there to assist you complete the task.