Quick Answer

You Asked How much HP can a 12v 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.

Will a 24v turbo fit on a 12v?

Premium Member. they are the same turbo(HX35) between all the 12v’s and the manual 24v. the auto 24v’s are the only ones with a smaller turbo(HY35). there is no advantage to a 12v turbo on a 24v unless the 24v is an auto.

How do I increase the horsepower on my 12-valve Cummins?

Double The Horsepower of Your 12 Valve Cummins | Power Driven Diesel

What size turbo is on a 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. The Cummins Stealth 64 is one of the quickest spooling turbo’s we have tested for the 5.9L Cummins.

Why are Cummins so good?

The Cummins engine is durable, reliable, and powerful. Cummins was originally built for heavy-duty, commercial work. It’s based on the needs of the most grueling and demanding work, and that delivers benefits for all other Cummins engine designs and applications.

How much HP can a 5.9 handle?

The 5.9L inline-six mill’s factory rotating assembly from ’89 to ’02 is capable of handling 800 hp (1,400 to 1,600 lb-ft of torque) without breaking a sweat, and is often pushed into four-digit territory before aftermarket rods become a consideration.

Is a 5.9 Cummins a v8 or v6?

Dodge Ram Cummins 5.9l 6.7l diesel engine specs have changed a lot from 1989 to 2017. The Cummins corporation actually made the engines for the Chrysler corporation bda Dodge and Ram companies. All these Cummins diesel engines are inline 6 cylinders.

How good is the 5.9 Cummins?

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. Outside of the fuel system components, you should expect to replace common items like water pumps, hoses, belts, etc.

Is 24v better than 12v Cummins?

In summary, those looking to keep things stock or modest the 24v is the better street engine. If you’re looking for extreme power and performance the older 12v Cummins engine is likely the better choice.

How much HP can a stock 12 valve Cummins handle?

While the factory 12-valve rods can handle 1,000 hp, Scheid Diesel does recommend upgraded rod bolts anytime you’re in the neighborhood of 800 hp.

How much HP can you get out of a stock 12v Cummins?

Though it’s quite restrictive, the factory cast-iron 12-valve cylinder head will allow you to reach 500 hp, but that aged head gasket might not live at 35-45 psi of boost.

What is the best year for 12 valve Cummins?

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.

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.

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.

What’s better Cummins or Duramax?

Cummins Vs.

The Duramax leads with horsepower, but the Cummins is the king of torque with numbers up to 1,000 ft-lbs depending on the truck.

Which is more reliable Cummins or 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.

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 HP does a 1999 Cummins make?

24V 5.9L Cummins Horsepower & Torque

Year Trans Horsepower
1998.5-1999 Auto 215 horsepower
2000-2002 Auto 235 horsepower
1998.5-2002 Manual 235 horsepower
2001-2002 High Output Models Manual 245 horsepower

How much HP can a 7.3 Powerstroke handle?

The 7.3 Powerstroke is a two-valve behemoth which measures in at 444 cubic inches and has a maximum stock power rating of 275hp and 525lb.

How much HP can a stock 6.7 Powerstroke handle?

The factory 2011 to 2016 6.7L Powerstroke are rated at 390 to 440 rear wheel horsepower depending on the year of the vehicle.

What is a 7.3 Powerstroke?

The 7.3L Powerstroke is one of the most reliable Diesel engines ever produced. It’s so reliable even die-hard Cummins and Duramax enthusiasts acknowledge it’s widespread success. This makes them one of the most sought after diesels today.

Does Cummins make an 8 cylinder?

The new Cummins diesels are a 4.2L (256ci) V-6 and a 5.6L (342ci) V-8, both using a 90-degree V-block design with aluminum heads and an iron block.

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

TOP 5 UPGRADES FOR 5.9 CUMMINS

What is high mileage on a 5.9 Cummins?

Of the highest is a 1996 Dodge Ram with a 5.9-liter Cummins diesel engine that has 3,016,789 miles. Following that is another two 5.9-liter Cummins engines that also have over 3,000,000 miles on them.

What is the life expectancy of a 5.9 Cummins?

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.

When should you replace injectors on 5.9 Cummins?

How long do fuel injectors last? Fuel injectors for the Dodge Cummins 5.9L should last between 200,000 and 300,000 kms when properly treated. This means running good quality clean diesel fuel.

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.

Are 12v Cummins reliable?

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.

What is so great about the 12 valve Cummins?

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.