What is better the 5.9 12v or the 5.9 24v?

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.

1. Is the 12 valve or 24 valve better?
2. Is the 5.9 24v Cummins a good engine?
3. What's the difference between a 12 valve Cummins and a 24?
4. What year 5.9 Cummins is best?
5. Are 12v and 24v blocks the same?
6. Which diesel engine is the most reliable?
7. Why are 12v Cummins so good?
8. Are 12v Cummins reliable?
9. Is it bad to idle a 5.9 Cummins?
10. How many MPG does a 24v Cummins get?
11. How long will a 12v Cummins last?
12. How many miles is a 24 valve Cummins good for?
13. Is the 5.9 or 6.7 Cummins better?
14. What is considered high mileage for a 5.9 Cummins?
15. How much HP can a stock 5.9 Cummins handle?

Is the 12 valve or 24 valve better?

The 12 Valve engine is hands down more reliable than the 24 Valve. Even guys who have spent the money to get an aftermarket lift pump (a must with a 24 Valve, along with a fuel pressure gauge) have gone through multiple pumps.

Is the 5.9 24v Cummins a good engine?

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's the difference between a 12 valve Cummins and a 24?

The 12v is generally cheaper to bomb than the 24v. The 24v is more of a "plug and play" type for bombing. The 24v is more prone to having LP problems and also more electrical problems.

What year 5.9 Cummins is best?

Known for its reliable Cummins engine and its power, Rams have been the favorite truck of diesel drivers since the 1980s. The truck has gone through many changes over the last 50 years, with some years being better than others. The best years for Dodge diesel trucks are 1996-1998, 2006-2007, and 2010-2011.

Are 12v and 24v blocks the same?

Registered. One difference that I know of is a 24v block has two oil drain provisions cast into the block near the pan rail and a 12v only has one. Minor difference, but different none the less.

Which diesel engine is the most reliable?

The 7.3L Powerstroke is still considered one of the most reliable diesel engines ever made. It also has plenty of power for most applications, with 500 pound-feet of torque and 235 horsepower. It was built for the long haul, too with an air-to-air intercooler, oil-based fueling, and durable internal hard parts.

Why are 12v Cummins so good?

A stroke of 4.72 inches (accompanied by a 4.02-inch bore) yields 359 cubic inches, incredible low-rpm torque and remarkable fuel efficiency. Along with it being in an inline engine's nature to produce gobs of torque, they're also easier to work on than the V8 competition.

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.

Is it bad to idle a 5.9 Cummins?

The intake manifold heater may ignite the ether in the manifold and cause an explosion. Idling for longer than 15 minutes should be avoided. Do not operate at full speed or load until the coolant reaches normal operating range. Do not operate above low idle until oil pressure is indicated.

How many MPG does a 24v Cummins get?

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. We only drive Cummins 5.9L, and we could not be happier with the superior performance!

How long will a 12v Cummins last?

So, the general consensus seems that a Cummins engine's life expectancy is from 300k-400k miles, but if you follow the correct steps, you could, and should have some sort of control over the life span of your engine, and we don't think crossing your fingers will really suffice.

How many miles is a 24 valve Cummins good for?

A 24 valve Cummins engine typically has about 200,000 to 300,000 miles before needing some major work. This is average for any diesel motor that was used daily and made to last!

Is the 5.9 or 6.7 Cummins better?

The 5.9 Cummins offers a fixed geometry turbo, which differs from the 6.7 Cummins variable geometry. ... 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.

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 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.