Quick Answer

Quick Answer: Is a 12 valve Cummins better than a 24 valve?

12v vs 24v Tuning &amp
Aftermarket Potential

When it comes to serious power and performance the 12v 5.9 Cummins takes the win. These engines are known to hold up better at extreme power levels when compared to the 24v engines. P7100 injection pumps on the 6BT are easier to mod and support the extra power.

How many MPG does a 5.9 Cummins get?

We own five Dodge 4×4 pickups with the 5.9L Cummins, and we are thrilled with all the trucks. All five trucks we own average 29 MPG highway, and 24 MPG in town. Cummins 5.9L has the fuel economy, speed, and the power to pull.

Is Cummins 12 valve a good engine?

The Cummins 12v/6BT is widely regarded as the best and most reliable diesel engine ever produced. These engines are extremely simplistic, operating with mostly mechanical components rather than complicated electronic ones. The simplicity allows for massive power potential in conjunction with ultimate reliability.

How many miles can a 12v Cummins go?

Cummins diesel engines typically have a range of 350,000 to 500,000 miles.

How long will 5.9 Cummins last?

The Cummins brand is extremely reliable and prides itself on long-lasting engines. The 5.9-liter engine can expect to churn out 300,000 to 400,000 miles.

Why is the 12v Cummins so good?

What made the Cummins so popular was the fact that its peak power and torque was insanely usable—in fact, the redline is only at 3,000 RPM! The 12-valve was able to get respectable fuel economy while producing torque figures never-before seen in an ordinary pickup truck.

How many MPG does a 12 valve Cummins get?

a buddy of mine has a 96 2500 std cab long box 4wd, a few mods and is getting between 18-22 mpg depending on the right foot and where you are driving, the best 12v is 96-98.

How can I make my 5.9 Cummins more fuel efficient?

How to Improve Fuel Mileage With Cummins Diesel

  1. Drive your Cummins-powered truck with optimum fuel mileage in mind.
  2. Shift early if your truck has a manual transmission.
  3. Buy quality fuel for your Cummins.
  4. Replace your standard engine oil with a good synthetic.
  5. Purchase a power module designed for your Cummins diesel.

Which diesel engine gets the best mpg?

The gas V-8 engine in the Ram 2500 series is rated as the top pick to give you the best fuel economy.

Which year 12 valve Cummins is best?

1996-1998 has the best injection pumps (perhaps ignoring the 1989-1993 VE) and stronger automatics compared to earlier years. Look at the buyers guide section in the thread below. The 1998 12 valve trucks were only built in 1997.

How much HP can a stock 12v Cummins handle?

The forged-steel connecting rods found in the 12-valve 5.9L (and ‘98.5-’02 24-valve engines) are of an I-beam design and capable of easily handling 800 rwhp in stock form.

How much is a 12 valve Cummins engine worth?

A shop skilled in Cummins swaps will charge around $12,000 to $15,000 to take a 12-valve version with the 5R110.

How many times can you rebuild a Cummins?

It is theoretically possible to overhaul engines indefinitely. It is only a recommendation for operations that are not commercial. In real life, after a couple of overhauls, a new engine may be as good as a rebuilt one.

How long does a Dodge diesel truck last?

The costs will average out over the lifetime of the vehicle, at least somewhat, and the extra power can help significantly. A gasoline powered truck can run for 200,000 miles. Conversely, a diesel truck has a longer lifespan and can run for at least 500,000 and as much as 800,000 miles.

How many miles will a Ram Cummins diesel last?

But most diesel truck engines do not last that long, not without major work. To be more precise, Ram claims its 6.7L Cummins engine will last for 350,000 miles. For this reason, a Cummins-powered Ram 2500 with good service records is considered high mileage between 350,000 and 500,000 miles.

What year 5.9 Cummins is best?

1994-1998 2500 &amp

As far as performance potential goes, it doesn’t get any better than the mechanical P7100 equipped versions of the 12-valve 5.9L Cummins. They’re simple, rock-solid reliable, and can easily tick off a half a million miles if properly maintained.

What is considered high mileage for a 5.9 Cummins?

Cummins is the brand of engine found in the Dodge diesel and Ram diesel truck lines. Like the Duramax, Cummins diesel engines can be expected to last a long time. Between 350,000 and 500,000 miles is usually considered high mileage on a Cummins diesel.

How often should you change oil in a 5.9 Cummins?

04′ 5.9 Cummins

One is through Dodge for the powertrain
7 years or 70,000 miles. The motor had a second warranty for 7 years or 100,000 miles and they would warrant the motor with an oil change interval of 15,000 miles.

What will 4k governor springs do for my 12v Cummins?

The Industrial Injection 4000 Governor Spring Kit is by far the best modification you will ever do to your 12 valve Cummins engine. The factory governor generally will slowly start to defuel the engine around 2300-2400 rpm and drastically decrease performance and pulling power.

Is Cummins better than PowerStroke?

Powerstroke Diesel vs.

Most diesel enthusiasts seem to agree that the Cummins Turbo Diesel is the better engine in terms of reliability, but the Ford pickups tend to last longer and be more reliable than the Ram pickups.

How much HP does a 7.3 Powerstroke have?

7.3L Power Stroke Specs

Engine: 7.3L Power Stroke diesel V-8
Peak Horsepower: • 210 hp @ 3,000 rpm (intro horsepower rating, 1994 MY) • 275 hp @ 2,800 rpm (peak horsepower rating, 2003 MY)
Peak Torque: • 425 lb-ft @ 2,000 rpm (intro torque rating, 1994 MY) • 525 lb-ft @ 1,600 rpm (peak torque rating, 2003 MY)

What fuel mileage does a 6.7 Cummins get?

The 2022 RAM 2500 comes equipped with a 6.7-liter Cummins® Turbo Diesel Inline-6 and 6.4-liter HEMI® V8 engine that produces up to 410 hp and 429 lb. -ft. of torque in 4×4 configuration. The engine is rated to do up to 12 city/18 highway/15 combined MPG on the fuel economy when running in the four-wheel drive mode.

How big is a 4BT Cummins?

The 3.9L (4BT) Cummins inline-four diesel engine creates 105hp and 265 lb-ft of torque from its relatively small size of 30.6 in long, 24.6 in wide and 37.7 in high. This is what makes it such a popular candidate for engine swaps.

What is a 12v Cummins?

The 12-valve Cummins, officially the Cummins 6BT, is the engine at the bottom of the family tree of diesel engines (at least in pickup trucks). Its simple, straightforward design is a symbol of reliability, solid engineering and tractor-style torque.

Will a bigger turbo increase mpg?

It’s naturally down to a lot of complex engineering, but engines that are fitted with the most progressive turbochargers are increasingly efficient. In fact, contributor to The New York Times Lawrence Ulrich explained that the boosts to fuel economy can stretch to anywhere between 10-30 per cent.

Can you tune a diesel for better mpg?

This is the main reason why diesels can be made more efficient with the help of a TDI-Tuning box. It is a fact that with diesel engines the tuning box improves fuel economy. This happens by letting the driver of the vehicle engage a higher gear sooner. Meaning less physical force exerted on the engine.

Why do diesels get better gas mileage?

Because diesel fuel has high energy density and because diesel fuel has high compression resistance, diesel engines are more fuel efficient than other engine types. And, because diesel fuel burns more efficiently — more completely — diesel engines pollute less.

What mpg does a f250 diesel get?

Ford therefore claims an F-250 with the diesel powerplant and equipped with the long-range fuel tank can manage a range in excess of 1,000 miles on the highway. A quick calculation means a fuel economy rating better than 20 miles per gallon, which isn’t bad at all for a truck of this size and capability.

Do diesel trucks get better mpg than gas?

“Diesel engines are more fuel-efficient and have more low-end torque than similar-sized gasoline engines, and diesel fuel contains roughly 10% to 15% more energy than gasoline. So, diesel vehicles can often go about 20% to 35% farther on a gallon of fuel than their gasoline counterparts.

Do diesels last longer?

Digital Trends reports that diesel engines tend to be more durable and last longer than gas engines, with reliable operation and minimal required maintenance. While diesel cars once weighed much more than comparably sized gas vehicles, this is no longer an issue, thanks to modern manufacturing methods.