Quick Answer

Question: Can you put a bigger turbo on a 5.9 Cummins?

DPS Turbonator® VGT turbine housing upgrade, is now available. The best 5.9 cummins turbo upgrade option you can buy.

What turbo is on a 2003 Cummins?

3rd Gen Cummins Turbochargers in 5.9L Engines

In 2003, the Holset HE341CW turbocharger is introduced. This turbocharger has a mechanically controlled internal wastegate and it features a fixed geometry design. In 2004.5, a new turbocharger is introduced by Cummins.

How much HP can a 2003 5.9 Cummins handle?

The forged-steel rods used in these early 5.9L engines can handle as much as 1,500 hp, provided they’re conditioned to do so (i.e. shot-peened, balanced, micro-polished and/or cryogenically treated) and also equipped with quality rod bolts. They are also known to bend rather than break when they fail.

What size turbo is on a 2003 5.9 Cummins?

The turbo features a custom profile, 64mm (actual measurement 63.5mm) billet wheel perfectly mapped to a modified compressor cover and 65mm, 10-blade turbine inside the HE531’s 9cm housing.

How can I make my 5.9 Cummins faster?

TOP 5 UPGRADES FOR 5.9 CUMMINS

How can I get more horsepower out of my 5.9 Cummins?

By feeding more fuel into this massively-compressed engine, it’s only natural that you can unlock more power. Though, you can still out-do the factory turbo by adding too much fuel. With the 5.9 Cummins, 50-hp or 75-hp injectors are about the maximum injector size with the factory turbo.

What year 5.9 Cummins is best?

1994-1998 2500 &amp
3500

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.

Is 5.9 or 6.7 Cummins better?

To sum up, the more simplistic 5.9 fixed geometry turbo means that while it tends to be more reliable, the more advanced 6.7 variable geometry turbo gives better performance. The Exhaust Brake is a big part of why the 6.7 Cummins is such a powerful towing machine.

How much horsepower does a 2003 Dodge Cummins have?

5.9L, 6.7L Cummins Horsepower & Torque By Model Year

Model Year Rated Horsepower
2003 Standard: 235 hp @ 2,700 rpm
High Output: 305 hp @ 2,900 rpm
2004 Standard: 305 hp @ 2,900 rpm
California only: 235 hp @ 2,700 rpm

How much boost does a 5.9 Cummins make?

On 1998.5-2004 5.9L Cummins you will need to physically modify your wastegate to gain more turbo boost. Doing this without the Boost Fooler will result in check engine lights and codes set into the computer. Stock 98-04 trucks should generate 18-23psi of boost pressure stock (depending on year model).

How much HP can a stock 5.9 Cummins transmission handle?

The ISB is not capable of making much than 430-450 HP in a normal duty cycle without issues.

How much power can you get out of a 24v Cummins?

Consequently it won’t handle it very long. So upgrading to a good aftermarket intercooler is necessary. Most will support around 1200 hp while only having a minimal pressure drop between the inlet and outlet.

How much HP does a 63mm turbo add?

Spool Up, Towing, And All-Out Horsepower

Turbo Peak HP Injector Used
E.D. 63mm Billet S300 688 hp 100% over
Silver Bullet 62 664 hp 100% over
Killer B 648 hp 45% and 100% over
Holset Cheetah 638 hp 45% over

Will a bigger turbo make more smoke?

A large turbo can cause black smoke. But that’s usually a case of too large to spool on the low end. Then when it lights it should clear up some smoke or all.

How big is a HE351VE turbo?

NEW OEM HE351VE 2013-3018 6.7L – 2013-Present 6.7L Cummins Turbo.

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.

How much HP does a 5.9 Cummins have?

The last generation 5.9l Cummins engines from 2003 to 2007 used HPCR pump and 24 valves. They have 305-325 HP and 600-650 lb-ft of torque. Cummins made a displacement change in 2007.5 to the 6.7l Cummins diesel.

How do I know if my 5.9 Cummins turbo is bad?

There are a number of signs you can look out for to tell if your turbocharger has blown:

  1. POWER LOSS.
  2. WHINING ENGINE.
  3. EXHAUST SMOKE.
  4. CHECK ENGINE LIGHT.
  5. OIL/LUBRICATION.
  6. DAMAGED SEALS.
  7. FOREIGN OBJECTS/DEPOSITS.
  8. WEAR & TEAR.

How many miles will a 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.

Is a 12 or 24 valve Cummins better?

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.

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.

What is high mileage for a Cummins diesel?

According to Consumer Reports, a properly maintained Cummins engine can last 300,000-350,000 miles. But a poorly-treated truck can wear out much sooner. Therefore, a diesel truck with proper service records or even one that received precise “fleet” maintenance commands a premium.

What year Cummins is most reliable?

2007

  • #1 Best Year: 2019 Dodge Cummins.
  • #2 Best Year: 2018 Dodge Cummins.
  • #3 Best Year: 2020 Dodge Cummins.
  • #4 Best Year: 2017 Dodge Cummins.
  • #5 Best Year: 1989 Dodge Cummins.
  • #6 Best Year: 1990 Dodge Cummins.
  • #7 Best Year: 1994 Dodge Cummins.
  • #8 Best Year: 1995 Dodge Cummins.

What is the most reliable Cummins engine?

The most reliable diesel engine ever made was the 5.9L Cummins 12-Valve 6BT. The 5.9L 12-Valve has million-mile durability. It came factory with a 230hp, 440lb/ft of torque and an inline P7100 injection pump.

What year did Cummins start using def?

So, Dodge Cummis started using DEF in 2007. SCR was called for on every Cummins diesel beginning with the 2011 model year. Cummins Industries has expanded their own Urea Dosing Technologies to facilitate emission controls across a vast product line.

How much HP does a 7.3 diesel 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)

When did the 5.9 Cummins end?

2006 and 2007 would be the final years of the 5.9L Cummins. With a growing movement for emissions and more power, Cummins would introduce the 6.7 halfway through 2007. At the start of 2003, the truck rated at 235 RWHP / 460 ft-lb of torque, not bad at all.

Are 5.9 Cummins reliable?

Cummins 5.9 24v Reliability

Outside of the fuel system, the 5.9 24v is a very reliable engine. The engine internals such as the pistons, rod, and crankshaft will last a lifetime and can hold up beyond 500,000 miles.

What years are 24v Cummins?

High Output 24v Cummins

A high output (H.O. or HO) version of the 5.9L Cummins was available for the 2001 to 2004 model years. For 2001 and 2002, the HO Cummins boasted an additional 10 horsepower and 45 lb-ft of torque.

Is a 2003 Cummins common rail?

For the 2003 model year, the Cummins was introduced with Bosch high pressure common rail fuel injection, again increasing power output. The 2003 rating for the Dodge truck was released at 305 horsepower and 555 foot-pounds.