Quick Answer

You Asked Is 12 valve or 24 valve Cummins better?

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.

What year 12v Cummins is best?

Among its strong suits are

  • P7100 (The Holy Grail) While the 12-valve was built from 1989 to 1998, most people look for the 1994-98 model.
  • Affordable Injector Upgrades.
  • Simple Designs.
  • HX35:
  • Free Horsepower.

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

Adding a P7100 to the first generation 12-valve engine effectively takes the truck’s horsepower capability from 350 rwhp to 600 rwhp. For those kinds of gains it’s definitely worth the hassle of hunting down all the conversion parts you need.

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.

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 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.

Why are 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.

Can you put a Allison Transmission on a 12V Cummins?

CUSTOM AUTOMATIC CONVERSIONS, (CAC) NOW OFFERS COMPLETE KITS SO THAT AN ALLISON 5 OR 6 SPEED AUTOMATIC TRANSMISSION CAN BE INSTALLED BEHIND THE CUMMINS 12 VALVE, 24 VALVE, 5.9L AND 6.7L ENGINE.

What years did Dodge make the 12V Cummins?

1994-1998 12V Cummins (12 Valve) Features

The first variation of the second gen cummins features the desirable “p-pump” fuel injection pump. New injectors, a larger intercooler, and a new turbocharger were also introduced. These additions help reduce emissions output compared to the previous generation.

How fast is a stock 12 valve Cummins?

Registered. Mine is about 120 mph.

How do I increase the power on my 12 valve Cummins?

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

How much boost can a 12 valve Cummins hold?

Yes, the rule of thumb is 40-50 psi of boost, but that’s more because of the increased drive pressures associated with more boost.

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.

How much horsepower does a 5.9 12 valve Cummins have?

5.9L Cummins 12v (6BT) Engine Specs

Engine: Cummins 6BT (commonly referred to as the “12 valve Cummins”)
Horsepower: 160 – 215 HP @ 2,500 RPM
Torque: 400 – 440 lb-ft @ 1,600 RPM
Governed Speed: ~ 2,700 RPM
Engine Weight: ~ 1,100 lbs, dry & dressed (~ 890 lbs dry, engine assembly only)

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.

How much HP can a stock 5.9 Cummins 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 the 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 does it cost to 12 valve swap?

Going the 12-valve, 5R110 route can be pulled off for $12,000 to $15,000 at a shop that’s seasoned in Cummins swaps. Sprinkle in a little more power and the cost obviously goes up, but for a basic, 350hp (ish) 5.9L-powered ’03-’10 Super Duty you’ll get a Cummins repower that’s cleanly done and rock-solid reliable.

How much does a 12 valve Cummins weigh?

9 12 Valve Cummins Engine Weigh?

Engine: Cummins 6BT (commonly referred to as the “12 valve Cummins”)
Horsepower: 160 – 215 HP @ 2,500 RPM
Torque: 400 – 440 lb-ft @ 1,600 RPM
Governed Speed: ~ 2,700 RPM
Engine Weight: ~ 1,100 lbs, dry & dressed (~ 890 lbs dry, engine assembly only)

How much does a 5.9 Cummins Engine weigh?

9 L Cummins Diesel Engine Weigh?

Engine: Cummins 5.9L ISB (commonly referred to as the “24 valve”)
Horsepower: 235 – 325 hp @ 2,900 RPM
Torque: 460 – 610 lb-ft @ 1,600 RPM
Governed Speed: 3,200 RPM
Engine Weight: ~ 1,150 lbs, dry & dressed

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.

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.

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 year Cummins has the killer dowel pin?

As diesel enthusiasts, you all have heard of the Killer Dowel Pin, often referred to as the KDP. The “Killer Dowel Pin” is a concern on 1989 to 1998.5 12-valve Cummins engines. This is a steel pin that’s pressed into the cast iron block.

What transmission is in a 12 valve Cummins?

1st Gen 12 Valve 5.9L Cummins Specs

1st Gen 5.9L Cummins Years: 1989-1993
Pistons: Cast Aluminum
Transmissions – Getrag 360 5-Speed Manual – Torqueflite A727 3-Speed Automatic – A518 (46RH) 4-Speed Automatic Transmission with overdrive
Battery Early Models – One 1,025 CCA Battery Later Models: Dual 750 CCA Batteries

Will a Allison transmission bolt to a 5.9 Cummins?

ATS Diesel Performance is now offering a complete kit so that our Allison 6 Speed Automatic transmission can be installed behind the Cummins 5.9L and 6.7L Engine.

What truck has a 5.9 Cummins?

You can find these Cummins engines in many Dodge Ram 2500, 3500, 4500 and 5500 truck models. The original design in 1989 to 1993 started with a 5.9l VE-Rotary pump and 12 valves. These engine produced 160 horsepower (HP) and 400 foot pounds of torque (lb-ft).