What Engine Is In A 2012 Duramax?

The LML engine, which has a displacement of 6.6 liters in a V8 design, is a member of the Duramax family of heavy-duty workhorse engines. 6.6 liters / 403 cubic inches of displacement GM The engine is a 6.6 Liter Turbo Diesel V8 Duramax LML.

Type: 6.6L V8 Turbo Diesel Engine Duramax
Bore x stroke: 103 mm x 99 mm
Fuel system: Direct injection diesel with high pressure common rail

What kind of engine is a Duramax?

OHV 4 valves per cylinder This line of 6.6 liter Diesel V8 engines is manufactured in Moraine, Ohio, by DMAX, a joint venture between General Motors and Isuzu. The Duramax V8 engine was developed by DMAX, a joint venture between General Motors and Isuzu. The Defiance GM Powertrain foundry in Defiance County, Ohio, is where the Duramax block and heads are forged and cast.

When did the Duramax LML diesel truck come out?

The Duramax LML engine was released in 2011 as a replacement for the LLY, which was only around for a brief time. Built into the same 2500 and 3500 HD work vehicles as the 6.6L turbo-diesel engine that Chevrolet diesel trucks have been utilizing since 2001, the LML was a powerful and efficient engine.

What is the VIN code for a Duramax diesel engine?

Similarly to the LML, this engine makes use of a DPF and DEF system in order to comply with emission regulations. The 6.6L RPO LML (VIN code ‘8’) is the Isuzu/GM Duramax V8 diesel engine that was produced between 2011 and 2016. It is an improved version of the LMM engine, with the majority of the modifications aimed at achieving the necessary significant decrease in engine emissions.

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Which Duramax has the largest turbocharger?

The Garrett GT3788VA turbocharger in the LLY Duramax is the biggest of any other 6.6L Duramax version, making it the most powerful of them all. The LLY, with the exception of the L5P Duramax, has the most potential for increased horsepower just from a tune, thanks to the bigger turbo and several other tiny engine enhancements, compared to any other version.

What year Duramax is LML?

GM Duramax Turbo Diesel Engines are a type of turbo diesel engine that was developed by General Motors.

Engine RPO Code Year In Production Fuel
LLY/LBZ 2006 – 2007 Diesel
LMM 2007 – 2010 Diesel
LGH 2010 – 2017 Diesel
LML 2011 – 2016 Diesel

Is the Duramax LML a good engine?

This engine from LML is a fantastic piece of machinery. It is extremely powerful, efficient, and long-lasting. The LML is the most powerful Duramax engine ever built, and it is also the most expensive. The LML was originally offered in the GMC and Chevrolet HD trucks for the 2011 model year.

How do I know if I have a LML Duramax?

  1. The Duramax engine has grown from the initial LB7 series to include the LLY, LBZ, LMM, LML/LGH, and currently the L5P series.
  2. The LLY is the most recent generation of the Duramax engine.
  3. The most straightforward method of determining which series of Duramax you have is to look at the truck’s VIN number.

In most cases, the 8th digit is the engine ID, which will be one of the following numbers: 1, 2, D, 6, 8, L, or Y (with few exceptions).

What year is the best Duramax engine?

The greatest and worst years for Duramax engines include the 2007 engine, which is largely recognized as the best, and the 2003 Chevy engine, which was widely regarded as the most difficult to work with. Knowing everything there is to know about the Chevrolet Duramax, you should choose the best engine for your vehicle and avoid all of the difficulties and substandard variants on the market.

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Is LMM or LML better?

Although LML is undoubtedly a superior engine, there are concerns with DEF on all models, including Ford, Ram, and General Motors. LMM emission controls have shown to be as dependable as any other on the market.

What motor is in the 2011 Duramax?

PONTIAC, Mich. — The city of Pontiac is home to the Pontiac Grand Prix. The new 2011 GMC Sierra heavy-duty trucks are available with a new 6.6L Duramax turbo-diesel V-8 engine that outperforms the competition in terms of performance. It is capable of producing 397 horsepower (296 kW) at 3,000 rpm and 765 lb.-ft. of torque.

What problems do LML Duramax have?

  1. The four most common Duramax LML engine problems are: CP4.2 Injection Pump Failure
  2. CP4.2 Injection Pump Failure
  3. And CP4.2 Injection Pump Failure.
  4. Problems with the DEF heater
  5. Failure of the NOx sensor
  6. Failure of the DEF pump

How many miles will a Duramax LML last?

If you are wondering how long the Duramax engine will survive, it should last up to 300,000 miles before requiring substantial repairs. The amount of miles that an engine can go is determined by how well it has been maintained and operated during its life.

How much HP can a LML handle?

With the aid of a lift pump, it is capable of supporting 520-550 RWHP in stock condition. Simply said, a larger pump is required for 600 horsepower. The Exergy Stroker Cp4 and the ATS add a pump kit are both capable of getting you to your destination. The Cp3 conversion from SS Diesel still supports the 9th injector and is CARB approved, thus it is a viable option.

What’s better LMM or LBZ?

Because LBZ does not have a DPF, there is no urea tank to fill. DPF is present in LMM. That is the most significant distinction, aside from the shift in body type. While the DPF reduces the mileage and performance of the LMM, it is possible to remove it, which is technically illegal, but if you know someone who will pass it for inspection you will be good.

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What does LML Duramax mean?

LML. The 6.6L RPO LML (VIN code ‘8’) is the Isuzu/GM Duramax V8 diesel engine that was produced between 2011 and 2016. It is an improved version of the LMM engine, with the majority of the modifications aimed at achieving the necessary significant decrease in engine emissions.

What is the difference between LBZ and LMM?

It is said that the LMM produces 660 torque at 1800 rpms, whilst the LBZ produces 650 torque at 1600 rpms, which is a bit more area under the hood. In stock form, the lbz will be the most powerful puller. Get rid of the dpf on the lmm and you’ll get performance that’s nearly comparable to that of the lbz with an exhaust installed.

What years did Duramax have problems?

  1. Year LB7 problems with Duramax are as follows: 2001 – 2004. LB7 is still immensely popular among diesel enthusiasts as the original Duramax model, owing to the fact that it does not have any emissions control components.
  2. LBZ from 2006 to 2007.
  3. LMM: from 2007.5 until 2010.
  4. LML: 2011–2016
  5. From 2017 to the present
  6. L5P: 2017 to the present

What does LBZ stand for Duramax?

2004.5-2006 is the same as lly. lbz = lbz = lbz = lbz (classic body style) 2007.5 – = lmm (new body style) If you have the new body style, you also have the lmm (new body style). -Kyle.

What’s better LBZ or LB7?

Lb7- excellent fuel economy, lower cost, improved sound, injectors that suck, and excellent throttle responsiveness. Lbz- Significantly more power, a quieter engine compartment (but noisy injectors), greater turbo lag, a factory high idle setting that is excellent, and the greatest feature is the 6-speed alli transmission.