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.
Subsequently, 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.
then, How much HP can a 6.7 Cummins handle?
When pushed to its absolute limit, the OEM fuel system on the 6.7L Cummins (lift pump, CP3, injectors) can support as much as 530rwhp and roughly 550rwhp with a turbo upgrade.
Thereof What fuel mileage does a 6.7 Cummins get? The Ram 2500 comes with a 6.7-liter Cummins inline-six turbodiesel that is known for its massive amount of torque. It’s paired with a six-speed automatic transmission. As tested in a four-door Laramie trim, the Ram 2500 manages 14 MPG overall.
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.
18 Related Questions Answers Found
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 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.
How much boost does a 6.7 Cummins make?
Under full throttle the Ford 6.7 would make about 30psi of boost.
How much HP can 68RFE handle?
In my humble opinion, the 68RFE is a solid transmission in stock power mode. Some users have reported at least 200K or more miles out of them with proper maintenance. Now the 68RFE auto can handle 60+ horsepower increase without any major issues.
Which is better 68RFE or Aisin?
The 68RFE is not nearly as robust as the Aisin in any way, shape, or form. They are two totally different transmissions. … The difference is the Aisin has a much deeper First (3.75:1) and Second (2.0:1) to maximize the 6.7L’s torque delivery for more low-end pulling power.
How many MPG does a 2021 Ram 2500 diesel get?
Performance and Fuel Economy
The EPA doesn’t evaluate fuel economy for heavy-duty trucks but when our RealMPG team tested a Ram 2500HD Power Wagon with 4WD and the Crew Cab body style, it returned 10.2/15.3 mpg city/highway.
What is the best Cummins Diesel?
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.
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.
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 |
What is a lot of hours for a diesel truck?
For a MD truck, we figure 30 MPH average and most medium diesels have a “b10” life of around 12,000 hours.
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.
Are DPF Delete Kits illegal?
Well, according to Section 203 of The Clean Air Act, it is illegal to tamper with, remove or be involved in the deletion knowingly or unknowingly of the DPF system of a truck. … Furthermore, it is also illegal to use a DPF removal service provider to do this for you.
Does EGR delete give more power?
EGR delete without a remap of the ECU will give no performance benefit but will increase emissions. But it does simplify things greatly. A remap is unlikely to give collossal gains in power, but there will be some.
How much HP can the 68RFE handle?
This kit re-works the valvebody and TCM to where the 68RFE can live at 500 to 550 hp, but any more than that and the truck owner will have to start delving deep into the transmission. As of press time, there are 68RFEs that are handling nearly 1,000 hp, but we can tell you they’re not cheap to buy—or build.
What does low boost fueling do 6.7 Cummins?
Low boost fueling is the level of fuel that will be dumped before you build enough boost to burn it. That’s why the smoke. The response you will feel. Go ahead and play around with it.
How do I know if my Cummins Turbo is bad?
There are a number of signs you can look out for to tell if your turbocharger has blown:
- POWER LOSS. …
- WHINING ENGINE. …
- EXHAUST SMOKE. …
- CHECK ENGINE LIGHT. …
- OIL/LUBRICATION. …
- DAMAGED SEALS. …
- FOREIGN OBJECTS/DEPOSITS. …
- WEAR & TEAR.
How much boost does a stock Cummins make?
Stock, the Holset HE341CW turbo aboard the ’03-’04 engines sees roughly 23-24 psi of boost, which is when the internal wastegate begins to open.
How long does a 68RFE transmission last?
But on average, we’ve seen the Ram 2500 transmission last for between 130,000-180,000 miles.
Is the 68RFE Transmission good?
Overview of the 68RFE:
Despite all of the impending doom the 68RFE and it’s abysmal valve body bring forth, it is a powerfully reliable transmission after being properly built. But, in stock form, it cannot hold much more than factory power. In fact, it just simply crumbles.
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