The 6.6L L5P Duramax was mated to the tried-and-true Allison 1000 six speed automatic transmission for 2017 to 2019 model years. For 2020, the GM-Allison 10L1000 ten speed automatic transmission became standard; although Allison transmissions was responsible for rigorously testing the transmission, it is a GM design and is assembled at GM's ...The 6.6-liter LBZ Duramax V8 diesel engine was introduced midway through the 2006 model year, when it replaced the 6.6 liter LLY Duramax variant. As such, it powered Chevrolet Silverado Heavy-Duty ...Today we're going to go on a journey and look at every Duramax engine that GM has built, from the LB7 all the way up to L5P. We're going to look at what make...04-05 is the only direct bolt ins. An 01- early 03 can be used with adapter fittings for the cooler lines, valve body swap, and an internal harness swap (you just won't have the G solenoid functional since the 01-03 didn't have the ports and regulator for it), and a late 03 can also be used with the valve body and harness swap.Piper One. 3756 posts · Joined 2021. #2 · Nov 21, 2023. 01 to 05, Allison 5 speed. 06 to 19 Allison 6 speed. These are 1000 series Allison designs. The 6 speed had a double overdrive (6th gear was .61). Stock power and proper fluid and they live well. 2020 up, Allison branded 10 speed.In terms of specs, the big changes are the peak power and torque figures, with the new 3.0L I6 LZ0 turbodiesel Duramax engine producing a maximum of 305 horsepower at 3,750 rpm and 495 pound-feet ...Dissecting 6.6L Duramax Engines Whether you’re looking for fun or looking to win, the Duramax platform is certainly one to consider. ... “Then, when we build 800-1,000 hp, a year or two later, they’re back wanting to push 1,200-1,400 horsepower. For that reason, if we’re building for 1,000 hp, we’re building for 1,500 hp to be safe ...Sep 1, 2014 ... Active member ... 01-10 will physically go in an any year block. Balancer and flywheel have to be correct for that crank. Lb7 and LLY share the ...Meet the Experts. < Previous | Next >. Code 2200 plus saying speed limited to 65 in175 miles. But cleared with tester and back now. 2013 chev duramax 6.6 - …May 4, 2016 · Saids they get better every year. Seems to have problems with his 2016 though, brake controller replaced and now steering rack @ 50,000 miles. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles. How much does a Cateye Duramax cost? You will have to pay around $10000 for Silverado 1500, and it can go up to $15000 if you prefer later model years and higher trims. The price might rise well above $25,000 if you have your heart set on the diesel model. Bottom line. Cateye Duramax is one of the Silverado models with huge demand.Nov 30, 2023 ... ... Diesel Customs•8.2K views · 17:18 · Go to channel · What Is The Worst Year Duramax Ever Made? EXPLAINED! Truck Master•459K views · ...Duramax History. In the late 1990s General Motors lagged woefully behind its competition in the Diesel Powered Heavy Duty Pick-Up Truck segment, garnering a mere 3 percent of the market. ... Year: Description: 6.6L Duramax LB7: 8: 2001 to 2004: Duramax Engines - 6.6L Duramax Diesel Engine LB7 (2001 to 2004) 6.6L Duramax LBZ: 8:Going to Mars for a year requires that you take a substantial amount of food and water with you. Find out how much you need to take if you're living on Mars. Advertisement Another ...The new Duramax 3.0 will deliver a solid 277 hp in the Silverado and 460 lb-ft of torque. That peak torque is sustained from 1,500-3,000 rpm, and it hits 95% of that (437 lb-ft) at 1,250 rpm.November 20, 2023 by Alex Jones. Duramax started using def in their diesel engines in 2011 for compliance with federal emissions regulations. Duramax implemented def to reduce nox emissions and meet stricter epa guidelines on diesel exhaust fluid emissions. Diesel engines are popular due to their long-lasting performance and fuel efficiency.When we're young, it's hard to even imagine ourselves in our "golden" years, perhaps needing help with everyday activities. But the fact is, Americans are living longer now; and th...Gas prices have been inching up for the past couple weeks, but the average is $2.22 per gallon--more than 25 cheaper than last year. By clicking "TRY IT", I agree to receive newsle...These are all the food holidays you'll want to keep an eye on year-round. Let’s simmer on this idea for a moment: Free food year-round. Depending on where you live, there is a good...Duramax History, Lesson 5: LML. In order to meet ever-increasing emission standards and keep up with the Joneses (at the time, Ford’s upcoming 6.7L Power Stroke), GM amended the Duramax once more for the 2011 model year. The fifth generation common-rail V8 was given the RPO code LML. While it was nothing like a full redesign—it still ...The final Duramax years to avoid are those made between 2007 and 2010, the LMM. Low fuel rail pressure, the EGR valve, pistons, and the crankshaft are still a problem. Add to these the problems with the diesel particulate filter, and you know all the problems with the LMM. What Year Duramax to AvoidToday we're going to go on a journey and look at every Duramax engine that GM has built, from the LB7 all the way up to L5P. We're going to look at what make...The Duramax L5P was launched in 2017 and made an appearance in models like the 2017 GMC Sierra HD and the 2017 Chevrolet Silverado HD. Producing 445 hp and 910 lb-ft of torque, this was one of GM ...Ten years ago, nobody knew what a 6.6L Duramax engine was. We couldn't tell how they worked, how long they would last, or the power output they'd be capable of making. Ten years, and more than 1.3 ...The 6.6-liter LBZ Duramax V8 diesel engine was introduced midway through the 2006 model year, when it replaced the 6.6 liter LLY Duramax variant. As such, it powered Chevrolet Silverado Heavy-Duty ...RPO Regular Production Option Codes (Engine Series) There have been seven Duramax turbodiesel engines since their introduction at the turn of the new millennium: LB7 – 2001 to 2004, 300 horsepower, 520 pound-feet. LLY – 2004 to 2005, 310 horsepower, 520 pound-feet. LBZ – 2006 to 2007, 250 to 310 horsepower, 460 to 605 …PowerStrokes came around in 1994, and Cummins' first purpose-built automotive diesel engine debuted all the way back in 1932, and has been affiliated with …Jan 1, 2010 ... What years and options were offered for Duramax vans? · 2015 Camaro ZL1 · 2001 GMC Sierra 2500HD · 1996 Chevy Silverado 2500HD · 1987 GM...At the low end of the market, the Cateye is likely to cost at least $10,000. Going for later model years or higher trims will get you closer to $15,000. If you opt for the Duramax version, plus a later model year and a higher trim, you could easily be paying at least $25,000. Aftermarket SupportThe next few generations of the Duramax delivered solid upgrades to the design. Most companies would have made these running changes, but GM identified each revision as a different model. The next revision, referred to as the LLY, was a mid-year change in 2004. The easiest way to tell whether the engine is an LB7 or an LLY is by the …Apr 3, 2024 · The LBZ is great in stock form, but get horsepower numbers above 600, and it needs some upgrades to survive. LMM: 2007.5 Through 2010. The LMM engine ushered in the emissions era of Duramax. Although the LMM is almost the same as the LBZ, which makes it a very good engine, it features several new emissions control devices. While the LML Duramax is a reliable engine overall, there are a few years that have been known to have more problems than others. In this section, we’ll take a closer look at the 2011 and 2012 models and the issues that have been reported. 2011. The 2011 LML Duramax is one year that some owners have had issues with.May 25, 2023 · The best years for the duramax were 2011-2016 while the worst years were 2001-2004. During this time, the duramax was plagued with injector and fuel system issues. The duramax engine is a popular choice among truck owners due to its power and reliability. To achieve 30 mpg with a Duramax, maintain proper tire inflation, avoid heavy payloads, and drive at consistent speeds. Regularly service your engine, use high-quality fuel, and follow the manufacturer’s recommended maintenance schedule. Utilizing aerodynamic accessories, such as bed covers, can also enhance fuel efficiency.Duramax started using the DEF in 2011. Stricter emission regulations require improvements to different systems of a car. With the popularization of biodiesel, the fuel in diesel engines became cleaner. The DEF is one of the most successful ways to reduce NOx emissions. The reduction can go up to 90%.History was made in January 2001 when General Motors introduced its first Duramax diesel engine for the 2002 model year Chevrolet Silverado and GMC Sierra heavy-duty trucks —a 6.6-liter V-8...Dec 31, 2023 ... The Merch Website CTS Mounts, T-Shirts, Hats, Keytags, Diesel Parts and more! https://truckmasterdiesel.com Link to buy Exhaust Systems ...6.6L LBZ Performance & Tuning Potential. In addition to coming out of the factory with more power than the 6.0L Powerstroke and the 5.9L Cummins, the 6.6L LBZ Duramax was one of the most tuneable as well. While the pistons are a concerning issue on these engines, you shouldn’t run into any issues until you’re trying to push serious power.Dec 26, 2018 · DMAX Ltd. Turns Out Number 2 Million. At the time of its release for ’17 model year Chevy Silverado and GMC Sierra HDs, the L5P Duramax belted out a class-leading 445hp, along with an impressive 910 lb-ft of torque at just 1,600 rpm. As a result, an unladen ¾-ton crew cab 4x4 could sprint from 0 to 60 mph in just over six seconds—not bad ... 6.6L LBZ Performance & Tuning Potential. In addition to coming out of the factory with more power than the 6.0L Powerstroke and the 5.9L Cummins, the 6.6L LBZ Duramax was one of the most tuneable as well. While the pistons are a concerning issue on these engines, you shouldn’t run into any issues until you’re trying to push serious power.Now, 14 years after DMAX Ltd. was created, more than 1.5 million Duramax engines have been built. The original Duramax was a vast improvement over GM’s …1. 2005 Duramax. The 2005 Duramax is one of the worst engines of the entire series. The thing that makes it fail the most is that it has a head gasket problem, which means that the head gasket fails and causes an excess of oil in the coolant. This can cause overheating problems, which will lead to more failures.1. 2005 Duramax. The 2005 Duramax is one of the worst engines of the entire series. The thing that makes it fail the most is that it has a head gasket problem, which means that the head gasket fails and causes an excess of oil in the coolant. This can cause overheating problems, which will lead to more failures.While the LML Duramax is a reliable engine overall, there are a few years that have been known to have more problems than others. In this section, we’ll take a closer look at the 2011 and 2012 models and the issues that have been reported. 2011. The 2011 LML Duramax is one year that some owners have had issues with.Jan 23, 2022 · As a result, you have to be careful while buying some Duramax models from the undermentioned years. The following are the years and their problems: LB7 Duramax (2001-04) LB7 Duramax was the first generation of the V8 Duramax engine and it did quite well. It was reliable and gave quite a raw feel like the one that diesel enthusiasts crave from ... With this system, you can increase your vehicle’s fuel economy by adjusting the exhaust after treatments. The best Duramax diesel engine year models that are safe to buy include: 2010 – 2017 Duramax LGH. 2011 – 2016 Duramax LML. 2011 – present Duramax XLD25. 2012 – present Duramax XLD28. 2014 – present Duramax LWN.Dissecting 6.6L Duramax Engines Whether you’re looking for fun or looking to win, the Duramax platform is certainly one to consider. ... “Then, when we build 800-1,000 hp, a year or two later, they’re back wanting to push 1,200-1,400 horsepower. For that reason, if we’re building for 1,000 hp, we’re building for 1,500 hp to be safe ...Updated: March 21, 2024. The Duramax engine is a diesel-powered motor that was originally introduced in 2001. With more than two million produced, it’s wise to know the best and worst years of the Duramax engine because they aren’t all reliable. In this guide, we …While the LML Duramax is a reliable engine overall, there are a few years that have been known to have more problems than others. In this section, we’ll take a closer look at the 2011 and 2012 models and the issues that have been reported. 2011. The 2011 LML Duramax is one year that some owners have had issues with.The GM Duramax 3.0L I-6 LZ0 is a turbo-diesel engine produced by General Motors for use in various vehicles, primarily full-size half-ton pickup trucks and full-size SUVs. ... 2023 model year ...It’s one of the major reasons this L5P is the highest stock horsepower Duramax to ever hit the market. 3. No More CP4 Pump. I can already hear the clapping, which makes sense. The prior pump truly ran into a lot of issues. This has to be one of the reasons why GM went with Denso’s HP4 pump.Today we're going to go on a journey and look at every Duramax engine that GM has built, from the LB7 all the way up to L5P. We're going to look at what make...Advertisement The success of your New Year's resolutions starts with your head. Limiting yourself to a few resolutions, maybe even one, and being specific are a few things to keep ...A gap year. A gap year. A gap year. Why do we call it a gap year? A gap in between what....exactly? Is it just a gap of time? A... Edit Your Post Published by Get Grounded on Augus...Once the OBS was discontinued, the Silverado truck took over in 1999. However, the Cateye didn’t get released until a few years later. Looking at similarities, both of these Chevy models are considered quite dependable. The fact that the C/K Series was produced for ten years proves that it was reliable and popular.The LML Duramax, introduced for the 2011 model year was a powerhouse. Coming out of the gate with 397hp and 765 lb/ft of torque, this Duramax diesel featured an advanced fuel injector design and increased line pressure to 30,000 psi compared to 26,000 on the LMM.Saids they get better every year. Seems to have problems with his 2016 though, brake controller replaced and now steering rack @ 50,000 miles. 2010 Gmc 2500 Duramax 853,500 Odometer miles - sold Nov 2018. 2013 LT CCSB SRW bought with 508,000 miles, now over 703,000 miles.2005 Chevrolet Silverado 2500HD LT3, 6.6 Duramax LLY, 95k miles, EFI Live Idaho Rob, 4in Silverline Turbo Back, AFE Stage 2 Intake, 6in Fabtech, 35 Mickey Thompson ATZ tires on 17 ProComp rims, fully debadged, 10sub 800watts.Reaction score. 1,930. Location. Rocky View County, AB. Nov 25, 2015. #3. 01-02 = Early LB7 - These are the first generation of Duramax. They have known poor injectors which fail once or twice throughout the life of the engine. They sometimes blow head gaskets to combustion but its not a huge issue.About two or three weeks ago, we put a video talking about Duramax engines and we went through every engine from the LB7 up to the L5P. We even covered some ...The best years for the Duramax are 2006 and 2007. These engines are both highly reliable and capable of a fantastic output. The only commonly stated problem with the 2006-2007 Duramax is that the …The horsepower of a 6.6 Duramax varies depending on the model year and specific engine configuration. For example, the 2023 GMC Sierra 2500HD with the Duramax 6.6L Turbo-Diesel V8 engine has a horsepower rating of 445 hp @ 2,800 rpm. However, older models may have lower horsepower ratings.See All 64 Photos. The 6.6L Duramax L5P is an entirely new powerplant. The development of this fifth-generation V-8 is more of a rebirth than an evolution. Every single part, down to the nuts and ...The 6.6-liter LBZ Duramax V8 diesel engine was introduced midway through the 2006 model year, when it replaced the 6.6 liter LLY Duramax variant. As such, it powered Chevrolet Silverado Heavy-Duty ...The joint venture (and resulting engine) was known as Duramax, and the LB7 was the first of many models to come. It’s a 6.6-liter, common-rail injected, 32-valve, V8 turbodiesel which put out 235hp and 500 pounds of torque in its first year, and for the final year of ‘04 the LB7’s output had grown to 300hp and 520 pounds of torque. When ...2006-2007 LBZ has the problems from previous generations fixed, and now the weak link is pistons. These also have 6 speed transmissions instead of the 5 speeds. 2007.5-2010 LMM has the DPF system but is otherwise the same as the 2006-2007 LBZ. 2011-2016 LML has DPF and DEF. Changed the injection pump from a CP3 to a CP4.Mar 10, 2022 ... That ain't nothing, your truck will fall apart before the engine will. Unless you don't treat the truck right, you should easily see 300K miles ...In conclusion, the Duramax engine is reliable and durable overall, but certain years offer more reliable performance than others. The best years are 2001-2004, 2006-2007, and 2011-2016, while the worst are 2005, 2008-2010, and 2017-2020. It is recommended to avoid cars with these engines, if possible, to get the most reliable performance.Feb 15, 2023 ... I bought an old Duramax! Now what? 18K views · 1 year ago ...more. Granger Smith. 762K. Subscribe. 1.2K. Share. Save.6.6L LBZ Performance & Tuning Potential. In addition to coming out of the factory with more power than the 6.0L Powerstroke and the 5.9L Cummins, the 6.6L LBZ Duramax was one of the most tuneable as well. While the pistons are a concerning issue on these engines, you shouldn’t run into any issues until you’re trying to push serious power.Duramax Years with Known Issues. 2001-2004 LB7 Duramax Engine. The LB7 Duramax engine, manufactured from 2001 to 2004, is known for its fair share of problems that owners may encounter. One of the most with this engine is injector failure. Over time, the fuel injectors can develop internal cracks, leading to fuel leaks and poor …After a number of years, GM aimed to make smaller Duramax diesel engines for its vehicles, which began with inline-four engines in displacements of 2.5L and 2.8L, though they discontinued these ...Aug 10, 2023 ... While it is not right for everyone, the math does not lie. In some situations, driving a new truck every year is cheaper than keeping one ...See full list on chevytrucks.org Power and performance. According to Chevrolet, the 6.6-liter Duramax turbo diesel features eight cylinders with a displacement of 403 cubic inches and comes equipped with a turbocharger for added ...Jul 24, 2023 · The 2007 to 2010 model years of 2500 HD and 3500 trucks featured a new body style, vastly improved interior, and the first version of the Duramax LMM engine to have an exhaust after-treatment process that required fuel for it to function. We analyzed the largest U.S cities and ranked them on four different categories to come up with the list of best cities for keeping New Year's Resolutions. Check out our full ranki...The LBZ is great in stock form, but get horsepower numbers above 600, and it needs some upgrades to survive. LMM: 2007.5 Through 2010. The LMM engine ushered in the emissions era of Duramax. Although the LMM is almost the same as the LBZ, which makes it a very good engine, it features several new emissions control devices.The 2023 Duramax engines, including the 3.0-liter inline-six, have seen power and torque improvements, making them a great option for those seeking a diesel engine in a light truck or SUV application.The LML Duramax, introduced for the 2011 model year was a powerhouse. Coming out of the gate with 397hp and 765 lb/ft of torque, this Duramax diesel featured an advanced fuel injector design and increased line pressure to 30,000 psi compared to 26,000 on the LMM.The Duramax engine has been one of the most popular diesel engines in the US for over two decades. Duramax is a heavy-duty V8 diesel engine co-developed by GM and Isuzu. It was introduced in 2001 as the upgrade for the 6.2L and 6.5L Detroit engines. It turned out to be a competent and powerful competitor in the light diesel market. The engine has undergone various improvements over the years ...The Duramax years to avoid are LB7 from 2001 to 2004, LLY from 2004 to 2006, LBZ from 2005 to 2006, LMM from 2007 to 2010, and the LML from 2011 to 2016. These are the Duramax engine years that have been most troublesome. “Drive Past Myths: Get the Real Deal on Car Buying!”.Once the OBS was discontinued, the Silverado truck took over in 1999. However, the Cateye didn’t get released until a few years later. Looking at similarities, both of these Chevy models are considered quite dependable. The fact that the C/K Series was produced for ten years proves that it was reliable and popular.Whatever its year or generation, every Duramax is a 6.6L V8 unit. Unlike Cummins or Ford, who altered key engine features such as displacement, cylinder head design or fuel injection throughout the years, GM has retained the same general layout from the beginning. The LB7 was the first Duramax engine, first introduced in year 2001.Jan 26, 2022 ... ... :25 Under The Truck 14:29 Ending. 2001-2007 Duramax LB7/LLY/LBZ Buyers Guide. 34K views · 2 years ago ...more. Dirty Diesel Customs. 4.67K.
DMAX Ltd. Turns Out Number 2 Million. At the time of its release for ’17 model year Chevy Silverado and GMC Sierra HDs, the L5P Duramax belted out a class-leading 445hp, along with an impressive 910 lb-ft of torque at just 1,600 rpm. As a result, an unladen ¾-ton crew cab 4x4 could sprint from 0 to 60 mph in just over six seconds—not …. Blueberry pie cookie toppings
In conclusion, the Duramax engine is reliable and durable overall, but certain years offer more reliable performance than others. The best years are 2001-2004, 2006-2007, and 2011-2016, while the worst are 2005, 2008-2010, and 2017-2020. It is recommended to avoid cars with these engines, if possible, to get the most reliable …Worst Duramax Engine Model Years. While the Duramax engines seem to be mostly reliable these days, the earlier years exhibited a lot of problems. We can’t recommend the 2001-2004 LB7, the 2004-2005 LLY, the 2006-2007 LBZ, the 2007-2012 LMM, or the 2011-2016 LML. Take a look at the most common complaints about these Duramax engines.The 2007 model year marked significant changes across the GM truck lineup. With the all-new Chevrolet Silverado and GMC Sierra 1500 (1/2-ton) models already introduced for 2007, the all-new Heavy-Duty version of the GM trucks were released roughly mid-model year (often referred to as a 2007.5). ... The Duramax LMM is a durable …The Duramax engine has been one of the most popular diesel engines in the US for over two decades. Duramax is a heavy-duty V8 diesel engine co-developed by GM and Isuzu. It was introduced in 2001 as the upgrade for the 6.2L and 6.5L Detroit engines. It turned out to be a competent and powerful competitor in the light diesel market. The engine has undergone various improvements over the years ...Mar 10, 2022 ... That ain't nothing, your truck will fall apart before the engine will. Unless you don't treat the truck right, you should easily see 300K miles ...Duramax History. In the late 1990s General Motors lagged woefully behind its competition in the Diesel Powered Heavy Duty Pick-Up Truck segment, garnering a mere 3 percent of the market. ... Year: Description: 6.6L Duramax LB7: 8: 2001 to 2004: Duramax Engines - 6.6L Duramax Diesel Engine LB7 (2001 to 2004) 6.6L Duramax LBZ: 8:Depending on the year and model, the Duramax engine can produce anywhere from 235 to 445 horsepower and 500 to 910 lb-ft of torque. The benefits of the Duramax engine are numerous. It is known …HP Potential: LLY. With the largest version of the factory Garrett GT3788VA turbocharger bolted to it, the LLY (found in ’04.5-’05.5 trucks) has arguably the most tune-only horsepower potential of any Duramax produced between 2001 and 2016. Thanks to its 62.6mm inducer compressor wheel and the tallest turbine vane height (15mm) of any ...Dark Mode; Light Mode; menu Log inThe Duramax engine has had its fair share of ups and downs over the years. While it is difficult to pinpoint a single “best” year for the Duramax engine, there are certainly standout models that have proven to be reliable and powerful. The early years of the Duramax engine, particularly from 2001 to 2004, are often regarded as some of the …Just like the previous years, the 2004.5-2005 GM 2500HD/3500HD models came equipped standard with a Vortec 6.0L gas engine and offered two optional engine choices, the 8.1L big block or the …Those are priced pretty high, though, in my opinion, for a 14 year old truck. All depends on what you're willing/ capable of spending. Having had 3 duramaxes, LLY, LMM and now, L5P, I can honestly say that the l5p is definitely the superior of the 3. 2018 GMC l5p ccsb stone blue metallic. Mcgaughy's 2" drop shackles.May 27, 2022 · The LML Duramax, introduced for the 2011 model year was a powerhouse. Coming out of the gate with 397hp and 765 lb/ft of torque, this Duramax diesel featured an advanced fuel injector design and increased line pressure to 30,000 psi compared to 26,000 on the LMM. The LBZ is great in stock form, but get horsepower numbers above 600, and it needs some upgrades to survive. LMM: 2007.5 Through 2010. The LMM engine ushered in the emissions era of Duramax. Although the LMM is almost the same as the LBZ, which makes it a very good engine, it features several new emissions control devices.The Duramax LLY engine lasts for around 200000 miles or 321869 kilometers without needing any major maintenance or repairs. It has a 95% GM user rating. It means 95% of Duramax LLY engines last over 200000 miles without any major issues. However, the lifespan of an LLY Duramax depends on the maintenance of the engine as well as the …In conclusion, the Duramax engine is reliable and durable overall, but certain years offer more reliable performance than others. The best years are 2001-2004, 2006-2007, and 2011-2016, while the worst are 2005, 2008-2010, and 2017-2020. It is recommended to avoid cars with these engines, if possible, to get the most reliable …2006-2007 LBZ has the problems from previous generations fixed, and now the weak link is pistons. These also have 6 speed transmissions instead of the 5 speeds. 2007.5-2010 LMM has the DPF system but is otherwise the same as the 2006-2007 LBZ. 2011-2016 LML has DPF and DEF. Changed the injection pump from a CP3 to a CP4.The LML Duramax, introduced for the 2011 model year was a powerhouse. Coming out of the gate with 397hp and 765 lb/ft of torque, this Duramax diesel featured an advanced fuel injector design and increased line pressure to …History was made in January 2001 when General Motors introduced its first Duramax diesel engine for the 2002 model year Chevrolet Silverado and GMC Sierra heavy-duty trucks —a 6.6-liter V-8...To build this powerful workhorse, GM partnered with Japanese auto manufacturer Isuzu, and the result was the legendary Duramax V8, which has retained its basic architecture for more than 20 years now.To buy a Duramax engine, you must know which years should be avoided. Avoid these 4 models of Duramax. 2001 to 2004 Duramax LB7; 2004 to 2005 Duramax LLY; 2006 to 2007 Duramax LBZ; 2007 to 2012 Duramax LMM; All these engines have minor issues. Now we discuss these models and their problems in detail. 2001-2004 ….