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Is 5.9 or 6.7 Cummins better?

Is 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.

In respect to this, Which is better Duramax or Cummins?

More horsepower means faster acceleration whether you’re towing or not. The current Duramax 6.6L L5P diesel wins this category with 445 horsepower. The current 6.7L 24V Ram Cummins diesel engines produce 400 horsepower. Historically, horsepower has swayed slightly in favor of the Duramax versus the Cummins line.

Furthermore, What are the problems with the 6.7 Cummins?

A few issues that may occur with the 6.7 Cummins turbo include: Leaking oil seals . Worn bearings (too much shaft play) Sticking VGT parts.

Dodge, Ram 6.7 Diesel Turbo Failure Symptoms

  • Slow spool.
  • Poor performance.
  • Excessive smoke from exhaust.
  • Whining sounds.

Additionally, Which Cummins engine is the best?

The Cummins 5.0L V8 TurboDiesel is the best Cummins engine for smaller trucks and drivers who don’t need as much pulling power. It utilizes a compacted graphite iron block for a durable construction that is still light enough for smaller applications.

What is high mileage for a 6.7 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.


22 Related Questions Answers Found

Why did Nissan get rid of Cummins?

But the decision to ax the diesel motor is telling: An oil-burner from a brand like Cummins was supposed to be a coup for Nissan, a way for it to make headway in a market that heavily favors trucks built by American manufacturers.

What’s the most reliable diesel engine?

What is the Most Reliable Diesel Engine Ever? 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.

Is deleting a 6.7 Cummins worth it?

To put it bluntly, no, you should not remove the emissions equipment from any diesel pickup. Removing emissions equipment also voids the vehicle’s factory warranty. …

How long should I let my 6.7 Cummins warm up?

I generally let mine warm up for 1-2 minutes while I load it up in the morning for work, and then drive slower for 3-4 blocks. Typically I wait until the coolant gets to about 140 degrees before getting into it…

How often should you change the oil in a 6.7 Cummins?

6.7L Cummins Maintenance Schedule

Service Procedure Interval(s)
Change engine oil & oil filter 2007.5 – 2012 7,500 miles/6 months
2013 – 2019 15,000 miles/6 months/500 hours
Replace crankcase ventilation (CCV) filter 2007.5 – 2018 67,500 miles/54 months
2019+ 75,000 miles/60 months

Are all 53 Cummins block bad?

Not all 53 blocks were defective, more than one foundry cast the 53 blocks but the bad ones came from one foundry which missed the reinforcing rib that was to go in the coolant gallery in that area. My 99 2500 2WD has a 53 block.

What is the most reliable diesel truck 2021?

Best Diesel Trucks

  • 2021 Ford F-150. Overview. …
  • 2022 Ram 1500. Overview. …
  • 2021 Chevrolet Silverado 1500. Overview. …
  • 2021 Jeep Gladiator. Overview. …
  • 2022 Ford Super Duty F-350. Overview. …
  • 2021 GMC Sierra 1500. Overview. …
  • 2021 Chevrolet Colorado. Overview. …
  • 2022 Ram 2500. Overview.

Is 100k high mileage for a diesel?

According to Prosource Diesel, anything over 350,000-miles is considered high mileage for a used diesel pickup with a Cummins or Duramax engine under its hood. Anything over 350,000-miles is also regarded as high mileage for a Powerstroke diesel engine.

How often should you change oil in a 6.7 Cummins?

6.7L Cummins Maintenance Schedule

Service Procedure Interval(s)
Replace engine air filter 30,000 miles/24 months
Change engine oil & oil filter 2007.5 – 2012 7,500 miles/6 months
2013 – 2019 15,000 miles/6 months/500 hours
Replace crankcase ventilation (CCV) filter 2007.5 – 2018 67,500 miles/54 months

How many hours will a Cummins 6.7 last?

The engines usually last 20,000 hrs, or more with decent maintenance. A cummins with 5000 hrs is nothing, and in equipment they can do a lot of idling.

How much boost can a 6.7 Cummins handle?

How much boost can a stock 6.7 Cummins handle? The stock head bolts should be good up to about 45psi back pressure, and 38 psi boost.

Is Nissan discontinuing the Cummins?

The Nissan Titan XD Cummins is dead after four years of production. Starting in 2020, the Cummins turbodiesel 5.0-liter V-8 will no longer be available in Nissan’s full-size pickup.

Did Nissan discontinue the Cummins?

Nissan will stop production of the Titan XD with the 5.0-liter Cummins diesel V-8 in December 2019. The regular-cab versions of both the Titan and the Titan XD are also casualties of a 2020 refresh that will be revealed later this year, Nissan spokesperson Wendy Orthman confirmed to C/D.

Why do Cummins last so long?

Dodge was brilliant to source engines for their light duty trucks from Cummins, a company that’s dominated the heavy industry diesel engine segment forever — and Cummins gave the Ram a very tough motor. … So the real reason these trucks will continue to live forever is because there’s no way to replace them.

Is 2.0 TDI better than 1.9 TDI?

The 1.9 is slightly more economical, the 2.0 is quicker revving, smoother, faster, quieter. The 1.9 only has a 5 speed box though. The 2.0 doesn’t pull quite as well from low revs (the 1.9 is like a tank) but is less peaky. Given the choice I took the 2.0TDI and I don’t regret it at all.

What’s the worst Ford diesel motor?

Ford Super Duty 6.0L (2003-2007)

Introduced mid-2003, the Ford 6.0L turbo is by far the worst modern diesel engine. It’s so bad, in fact, that Navistar (Powerstroke’s parent company) and Ford had a legal battle over it. The list of issues ranges from head gasket problems to catastrophic fuel system failures.

Should I buy a diesel truck as a daily driver?

This is why diesel trucks and cars tend to have greater capabilities than gas-powered cars. … Diesel engines provide owners with power, fuel-efficiency, and longevity. While these engines carry a stereotype of “heavy-duty,” diesel-powered vehicles are also suitable for commuters and everyday drivers.

Is it worth deleting a diesel truck?

While your exhaust might be a smidge dirtier, if you opt for a DPF delete kit, it might be worth the tradeoff. Deleting your DPF can help boost fuel economy AND give you more horses to the wheels. … This factory-installed system helps to reduce exhaust emissions by recirculating exhaust back into your engine for reuse.

Is deleting a diesel illegal?

Myth #1 – Deleting or Tuning a Truck is Legal

There is no way around this; it is 100% illegal to tamper with or modify the emission system on your truck in any way. It isn’t a state or local law (although those exist, as well), but Federal law.

Is DPF Delete worth it?

Removing the DPF itself will improve turbocharger efficiency (less back pressure) and of course there will be no more regens required. Long term, you won’t be facing DPF clogging problems which can be expensive post warranty.

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