Question: How Much Horsepower Can You Get Out Of A 6.6 Duramax?

How long will a Duramax LML last?

LML Duramax Service Schedule: Normal ConditionsMaintenance/ServiceMilesKilometersReplace Air Filter45,000 miles72,000 kmChange Cabin Air Filter22,500 miles or every 2 years36,000 kmFlush Cooling System150,000 miles or every 5 years240,000 kmReplace Transmission Fluid45,000 miles72,000 km9 more rows•Jan 15, 2020.

What is the best Duramax motor?

Released in 2017, the L5P is the latest a greatest version of the Duramax. It is substantially more durable than previous Duramax models and features an impressive 445 HP and 910 lb-ft of torque. The L5P replaced the LML in Chevy Silverado pickup trucks.

How much horsepower can you get out of a Duramax?

Factory 6.6L Duramax engines will make 300 to 397 flywheel horsepower depending on the model. Virtually any model can be bumped up to around 600 hp (about 480 rwhp) with simple computer tuning, provided that the turbocharger and fuel system are in good working order.

Why are Allison transmissions so good?

Unlike manual and automated manual transmissions (AMTs), Allison Automatics have no power interrupts during shift changes. They make the best use of the engine’s horsepower and torque by delivering more of it to the wheels. … This not only saves time and money, it also provides maximum protection for the transmission.

What is the most powerful Duramax?

All-New Duramax 6.6L Diesel Is Our Most Powerful EverNew full-length, damped steel oil pan that contributes to quietness.New rocker cover/fuel system acoustical treatments.B20 bio-diesel compatibility.SAE-certified 445 net horsepower (332 kW) at 2,800 rpm.SAE-certified 910 net lb. -ft. of torque (1,234 Nm) at 1,600 rpm.

Is the 6.6 Duramax reliable?

Common Problems with the 6.6L Duramax Diesel. The 6.6L Duramax has been in production since 2001 and has proved, on a large scale, to be a relatively reliable and durable platform. While various versions of the engine have surfaced over the years, all generations of the Duramax are based on the same foundation.

How much horsepower does a 2020 Duramax?

L5P Duramax Specifications Chart (2017+)Manufactured Years:2017-2020Max Engine Speed:3450 RPMMax Braking Speed:4800 RPMHorsepower:445 Horsepower At 2800 RPMTorque:910 lb/ft at 1600 RPM21 more rows•Jun 17, 2019

How many miles can I get out of a 6.6 Duramax?

Most reputable organizations, such as the Association of Diesel Specialists, would agree that the 6.6l Duramax is one of the most reliable diesel motors available today. Provided proper maintenance, it can easily hit the 350,000 mile mark, with some users claiming 400-500,000 miles is the norm.

What year of Duramax is best?

2006-2007 2500 & 3500. Perhaps the most desired of all Duramax models are the ’06-’07 Classic body style trucks.

How much does it cost to replace injectors on a Duramax?

The total cost to have a mechanic replace 8 injectors on an LLY Duramax can range from $3500 – $4500 CAD, depending on what other work is performed at the same time.

How reliable is the LMM Duramax?

LMM is mechanically same as LBZ, which is widely regarded as one of the best/most reliable built so far. Likely problems you would face would probably be electrical stuff or the emissions crap (DPF).

Who is the best Duramax tuner?

Best Diesel Tuners for 6.6 Duramax EngineBully Dog 40420 – Best Diesel Tuner for 6.6 Duramax.Edge Products 85400 Diesel Tuner for 6.6 Duramax.DiabloSport 8245 Diesel Tuner for 6.6 Duramax.Superchips 2845 Diesel Tuner for 6.6 Duramax.Hypertech 32501 Diesel Tuner for 6.6 Duramax.More items…

How much HP can a Allison 1000 handle?

Allison 1000, Six-Speed (‘07.5-’10) By the time the LMM-powered GMs hit the market, aftermarket tuning of the TCM had progressed enough to where the Allison could withstand 430 to 450-rwhp for extended periods of time—and 500-rwhp on occasion.

Why is the LBZ Duramax so good?

This engine’s beefier block casting, stronger connecting rods, higher pressure common-rail fuel system and updated ECM arguably made it the most powerful, drivable, reliable and tunable Duramax to date. Right out of the box, the LBZ produced 360hp and 650 lb-ft of torque.

How long do injectors last on a Duramax?

For most buyers the first set of injectors will likely have already been taken care of since the failure usually occurs between 100,000 and 150,000 miles.

How many glow plugs are in a 6.6 Duramax?

8The 2006 to 2012 6.6L Duramax diesel utilizes a typical glow plug system featuring 8 individual glow plugs; 1 dedicated glow plug per cylinder.

Is 200k miles alot for a diesel?

Generally speaking, diesel trucks are sold with higher mileage than the typical used vehicle. It is not uncommon to see a used diesel truck for sale with over 200,000 miles on it. Granted, diesel engines typically have better reliability than a gasoline equivalent, but high mileage remains a concern.

How much HP does a 6.6 Duramax have?

6.6L Duramax LML SpecsEngine:6.6L Duramax LML, 90 degree V8 dieselIdle Speed:~ 680 rpmMax Shift RPM:3,000 rpmPeak Horsepower:397 hp @ 3,000 rpmPeak Torque:765 lb-ft @ 1,600 rpm18 more rows

What year Duramax gets best fuel mileage?

The newest 2011 Duramax was promoted as being approximately 10% more fuel efficient than the 2010 model it replaced. You can read more about fuel economy being delivered by the newest Duramax engines in our bulletin board.

How do you maintain a Duramax?

Basic Maintenance is KeyOil changes must happen every 5,000 – 6,000 miles. … Replace the external spin on filter for the transmission every other oil change.Have Oil Analysis, radiator fluid change and transmission fluid change done every 60,000 miles.