What Engine Is In A 2008 Duramax?

6.6L LMM Duramax Engine Specifications for the 2008-2010 GMC Sierra and Chevrolet Silverado HD This designation refers to the Chevrolet Silverado HD and General Motors Sierra HD vehicles equipped with the 6.6L Duramax diesel engine that were manufactured between 2007 and 2010.It looked quite similar to the LBZ, but it had a whole new emissions device, a diesel particulate filter, that set it apart from the competition.

What kind of engine does a Duramax have?

Turbocharged Duramax 6.6L diesel engine Horsepower and torque outputs for Duramax engines vary depending on the model year and engine variation.After making its debut in 2001, the Duramax 6.6L V8 turbo-diesel engine is approaching the end of its 20th year of manufacturing.Over the course of the engine’s existence, it has gone through six distinct engine variations: the LB7, the LLY, the LBZ, the LMM, the LML, and the L5P.

How many years does a Duramax engine last?

After making its debut in 2001, the Duramax 6.6L V8 turbo-diesel engine is approaching the end of its 20th year of manufacturing. Over the course of the engine’s existence, it has gone through six distinct engine variations: the LB7, the LLY, the LBZ, the LMM, the LML, and the L5P.

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What is a LB7 Duramax V8?

The LB7 is the first generation 6.6L Duramax V8 engine to be produced. Due to the performance and dependability of the LB7 engine, it was used as the foundation for all subsequent Duramax engines, and it continues to serve as such till now.

Is the Duramax LMM a good engine?

As with its very similar LBZ sibling, the LMM is a very dependable engine in its own right. The DPF is a high-risk area for failure, therefore be prepared to spend several thousand dollars on DPF/emissions repairs. However, you may *illegally* eliminate this possible problem by removing the DPF system from the vehicle.

What years are the LMM Duramax?

A 6-speed Allison gearbox is used in conjunction with the LMM (engine code ‘6’), which made its debut in 2007 and went out of production at the start of the 2011 calendar year. During the model years 2007–2010, the LMM was the only Duramax available.

What Duramax is in a 2008?

Duramax LMM is a long-lasting, multipurpose compound (2008-2010) Despite these difficulties, the LMM generates 365 horsepower at 3,200 rpm and 660 pound-feet of torque at 1,600 rpm.Those figures put it squarely in the mix with today’s Cummins and Ford Power Stroke engines in terms of performance.After being featured in the Chevrolet Express and GMC Savana until 2010, when it was replaced by the LGH, the LMM was phased out.

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 problems do LMM Duramax have?

What are the issues that the LMM Duramax is experiencing? For the most part, the most prevalent concerns with LMM Duramax engines include low fuel pressure, crankshaft and piston failure, Allison 100 gearbox problems, leaky transmission lines and PDF system, and active regeneration.

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.

Is 2008 Duramax a good year?

Quick response: Stay away from Duramax year models 2001-2010. The Duramax has a long and illustrious history. GM vehicles with Duramax engines from the years 2001, 2002, 2003, 2004, 2005, 2006, 2007 and 2010 are strongly discouraged from being purchased by us. In a nutshell, the performance of the later model years has improved.

How much HP does a LMM Duramax have?

A dyno-proven, 500-plus horsepower engine When everything works perfectly, the LMM’s stock turbo, injectors, and CP3 high-pressure fuel pump can produce between 530 and 540rwhp in best-case conditions.

What do I need to know about LMM Duramax?

365 horsepower and 660 pound-feet of torque were delivered by the LMM Duramax, which also had emission-control technology including as exhaust gas recirculation, an oxidation catalyst, and a diesel particle filter. Additionally, its bore and stroke measurements of 4.06 in and 3.9 in produced a displacement of 405 ci.

How much HP does a 2008 LMM have?

A smoke-free 390hp/775tq 2008 LMM CC/SB/4×4 in Dark Brown Metallic with a Trippin’ spare ecm light tune and 4-to-6-inch dual stacks is available.

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How many miles will a 2008 6.6 Duramax 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 do I know what Duramax engine I have?

The Duramax engine has grown from the initial LB7 series to include the LLY, LBZ, LMM, LML/LGH, and currently the L5P series.The LLY is the most recent generation of the Duramax engine.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).

Does the LMM Duramax use def?

In comparison to its predecessor, the 6.6L Duramax LMM produced just a little boost in horsepower and torque. It was offered through the 2010 model year before being completely superseded by the LML for 2011, which includes an even more modern exhaust aftertreatment system that necessitates the use of the new diesel exhaust fluid standard in the industry (DEF).

Is the LMM and LBZ the same?

Both engines are essentially the same; the LMM simply has more emission control systems than the LBZ does. However, other from the injectors, everything else about the engine is virtually identical. The LBZ would be my choice because of the lower emissions.

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