The Dodge 4.7 engine has received reviews that sing its praises but also condemn it. While it may be the ideal engine for some, it may be a problematic engine for others. In is post, we will examine the Dodge 4.7 engine, giving you a chance to make up your own mind.
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Background of the Dodge 4.7 Engine
The Dodge Chrysler 4.7L V8 PowerTech engine is an eight-cylinder gasoline engine. It made its debut as the engine for the 1999 Jeep Grand Cherokee. The engine then was placed in several Dodge vehicles which include the Dodge Dakota, Ram, and Durango. The 4.7L V8 engine was the first engine that was placed in the was the Dodge PowerTech family. As an engine that was created as a replacement for the 4.0L inline-six engine, the 4.7-liter V8 engine that was placed in various Dodge models was given the name of “4.7L Magnum engine”.
How Much Horsepower Does A 4.7 V8 Have?
While the 2009 Dodge Ram is a vehicle that comes with three engines available, the 3.7-liter V6 creates 210 horsepower alongside 235-pound feet of torque. The middle engine of the 2009 Dodge Ram, which is the 4.7-liter V8 has 310 horsepower alongside 330-pound feet of torque. With such sustainable power, the engine offers gas mileage that will suggest a look at the third engine of the Dodge 2009 Ram. That third engine is the 5.7-liter Hemi V8- that offers 390 horsepower alongside 407-pound feet of torque.
What are the Specs of The Dodge 4.7 Engine?
The Chrysler Company crafted the 4.7-liter engine which was also a cooled liquid gasoline engine. The engine was also known by the name of PowerTech between the years of 1999 and 2013. Not only was the engine used in Dodge vehicles, but it was also used in various Chrysler and Jeep vehicles. Some of the vehicles that were manufactured with the 4.7 engine include: The Dodge Dakota, The Jeep Grand Cherokee, The Chrysler Aspen, Durango, Commander, Liberty, Nitro and Ram. The Mitsubishi Raider was also outfitted with the 4.7-liter Engine. Back in 1999, Chrysler released the first generation 4.7L engine. Two updates to the engine were also released in both 2002 and 2008.
Specs of The First Generation of the Dodge 4.7 Engine
For the first generation 4.7 engine, the displacement is engine displacement is 287 cu.-in or 4.701 cu.-cm. For this engine, the bore by stroke is 3.66 by 3.4 inches, while the compression ratio is 9.5 to 1. This first-generation engine’s maximum speed is 6,000 rpm. Additionally, the top horsepower is 235 at 4,600 rpm. This engine features torque that can range from model to model. That torque can be 290, as well as 305 foot-lbs. The engine’s fuel efficiency is about 16 miles per gallon. The first-generation 4.7 engine’s valve system is one that is chain driven, while utilizing a single overhead camshaft design alongside two valves for each cylinder. This brings the total number of valves to 16. This engine’s valve system utilizes a hydraulic end-pivot system. Additionally, the engine’s fuel injection system utilizes a port electronic injection design that is multi-layered. The 4.7 engine’s block is crafted of cast iron, with the heads crafted of aluminum alloy.
Specs of The Second and Third Generation of the Dodge 4.7 Engine
The second and third generation of the 4.7L engine is a High Output engine, and even is outfitted with the initials of “H.” and “O” to display this feature. With the 4.7 engine outfitted with this iteration, this gives the engine the horsepower rating of 265, coupled with torque of 330 foot-lbs.
The 4.7 engine’s last version is called the “Corsair” and was crafted with 290 horsepower alongside a 320 foot-lbs. of torque- during its debut. While many of the performance numbers and specs are similar among all three generations of the 4.7 engine, The Chrysler did make some slight modifications to the engine. The latest version of the 4.7 engine features a compression ratio that was increased from 9.8 to 1. Additionally, Chrysler improved the cylinder heads, the intake manifold and the camshaft pistons.
Features of the Features of 4.7 Dodge Engines at a Glance
Check out some of the most prominent features and specs of the 4.7 engine below!
- The expected torque is 235 pounds per foot, with a range of up to 334.
- The common power output for the engine is between the range of 157-236 kilowatts.
- The engine runs on a hydraulic cooling operation system.
- The engine operates on a sequential fuel system, alongside a gasoline vehicle.
- The 4.7 is crafted of a cast-iron block, coupled with several aluminum components.
- The engine offers a long piston strokes, upwards of 3.4 inches.
- The 4.7 Dodge engine has a ninety-degree aspiration that is natural, upon a V8 and V6 cylinder system.
- The engine offers 4.7 Liters of fluid that span between 225 and 286 cubic inches of space.
What Are Some Common 4.7 Dodge Engine Problems & Solutions For 2020?
Check out some of the most common issues with the Dodge 4.7 engine as well as remedies too!
Failure
Engine failure with the 4.7 engine is a huge and real concern, and is direct correlation of the age of your engine. Generally, you will see engine failure when the engine runs for over 70,000 miles. Given such, engine failure is a huge risk, should the engine owner ignore oil sludge. Then, there are acceleration issues at play too. Sludge also leads to engine overheating too. This will then result in cracks that will be in the system.
Solution For Engine Failure
So, if you are experiencing engine failure with your 4.7 engine, then chances are, you have had your vehicle for a long time. Engine failure can be due to the age of the engine. So, how do you remedy this? You may try to switch out parts of the engine to keep it running. But eventually, you will have to replace the entire engine. Thankfully, you will see signs that you will need to replace your 4.7 engine. And you may even be able to find a replacement engine for a great price.
Engine Oil Sludge
Buildup or sludge, can affect the performance of your 4.7 engine. Once the engine oil thickens, the performance of your engine will begin to decline tremendously. You’ll begin to see oil gunk, that will directly impact your vehicle’s output. Engine oil sludge will also cause other issues such as engine failure and even transmission issues.
Solution For Engine Oil Sludge
The best way to reduce oil sludge is to get the oil changed regularly. In fact, this is a great rule to follow, with ANY engine. After identifying oil sludge with your 4.7 engine, then get that oil changed. If you did one oil change, you may want to get another oil change too. Don’t forget to change your filters. Your mechanic may even recommend that you change your oil to a high-quality oil too.
Engine Overheating
When you have engine overheating issues, you will see your vehicle’s gauges go haywire and point toward heat as you drive. An engine that is overheating is a fairly common issue, after a vehicle has ran for too long, without any preventive maintenance. When an engine ages, it is important to keep up with its maintenance, while looking for signs of wear.
Solution to Engine Overheating
To remedy your engine overheating, you want to stop driving your vehicle and give it a rest. Next, once your vehicle is cool, you can check the vehicle’s coolant system. Then, take an opportunity to check over the preventive maintenance for your car. Of course, the best way to get a hold on engine overheating issues, is to take your car to a trusted mechanic and get a proper diagnosis.
Oil Foam
Did you recently remove the oil cap of your 4.7 engine and found foam at the bottom? This generally happens once air is found places where it should not be, resulting in bubbles. Oil foam also arises in conditions where there is excessive moisture or humidity in your engine oil. Typically, this issue can when you fail to heat up your engine sufficiently before you run your vehicle.
Solution For Oil Foam
For your oil foam issue, you will need to take your car to a trusted mechanic. She or he will need to repair the engine’s vacuum seal. Afterward, you may consider the following to keep oil foam away:
first, as you run your vehicle, be sure that you give your engine a sufficient amount of time to run.
Secondly, try to invest in a synthetic oil that is of high quality. Talk to your mechanic and find out the best oil for your vehicle and your 4.7 engine.
While there are other issues with the 4.7 engine, it’s to your benefit to discuss your 4.7 engine with a trusted mechanic and find out how to preserve it, or make plans for a replacement.
What are the Pros and Cons of the 4.7 Engine?
Let’s lay out the pros and cons of the 4.7 engine.
Pros of the 4.7 Engine
- Stellar fuel mileage given the size of the engine.
- “H.O” or High Power output
- The engine can provide a long shelf life if cared for.
- Awesome choice for hauling small loads- such as personal equipment or even recreational items.
Cons of the 4.7 Engine
- Not the best at towing huge loads
- A high-quality oil is a must for the optimum functionality.
- The engine is quite small, given many of the vehicles it is placed in.
- Relatively low torque engine, compared to other engines.
The bottom line is this: the 4.7 Dodge engine is one with issues, but also one that offers great remedies for those issues. If you have the patience, time and money to fix the issues- while investing in preventive maintenance- you can see longevity with your 4.7 engine. Keep your maintenance up to date, don’t ignore “red flags” and address questions and issues with your mechanic.