Lb7 duramax years

2006 to 2007 Duramax LBZ. 2006-2007 Duramax LBZ is among the best year generations certified by many owners. First of all, let’s say that all the generations are good, but for some features, 2006-2007 stands out among the competition. The 2006 to 2007 Duramax was a 6.6L turbo-diesel engine produced by General Motors.

The safest Duramax model years you can buy are the models produced from 2011 to 2021. These include the Duramax LGH, Duramax LML, Duramax XLD25, Duramax XLD28, Duramax LWN, Duramax L5P, and Duramax LM2. These engines go a step further to provide better emissions thanks to a diesel exhaust fluid/urea injection feature.The We Company (WE), formerly called WeWork, is going public—and we’ve got lots of questions. The initial public offering filing of WeWork is the most audacious prospectus that we’...Dec 24, 2008 · I have injector number 8 that does show a balance rate of -3 to -3.5 yet in drive it goes down to -2 so I think so far I am in good shape. Chevrolet '16 2500HD 4WD LTZ CC D/A LML Deep Ocean Blue, HID lighting, otherwise stock. GMC '04 2500HD SLE CC D/A LB7 SB Summit White, LineX, Nicktane, JK headlight harness, JK fuel pump and harness, Banks ... 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. The early LB7 has a more simplistic control system.Reliability Beyond Compare: The LB7 Duramax engine is celebrated for its unwavering durability and reliability. When properly cared for, it offers years of trouble-free operation, earning its place as a top choice for commercial and heavy-duty applications. TrackTech Complete Top-End Cylinder Head Gasket / Studs Service Kit for 01–04 LB7 …Duramax Horsepower & Torque Figures by Model Year. Model Year (s) Horsepower. Torque. RPO Code. 2001 - 2002. 300 hp @ 3,100 rpm. 520 lb-ft @ 1,800 rpm. LB7.

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. 1. 2001-2004 Duramax LB7The 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 ...Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. Follow Forum Create Thread Filters Show: Loading… 1 1 of 469 Go to page. Go. 469. Sticky LB7 Torque Specs. Durallymax; Mar 13, 2010; 2. 26 243K Jan 22, 2023 ...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 pound-feet.You can get amazing deals on Fire tablets, WiFi mesh systems and more during Amazon's New Year Sale. Check out some of the best deals below: If you buy something through our links,...12 Days of Christmas! - https://bit.ly/3oGRWptIn today's video Dustin sits down to talk about the ever-popular (but injector issue having) LB7 Duramax. This ...

As the year wraps up, it's time to start thinking about deadlines—and there are a handful of financial deadlines to meet by the end of the year. Here are a few money moves you shou...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 …The VIN number can always be found on your vehicle's title or registration card. It is important to know which engine you have because not all components are interchangeable between the various versions of Duramax engines. Duramax VIN Chart. Model Year(s) 8th Digit of VIN Code Duramax Models & Notes 2001 - 20041 2 • LB7 • LLY (introduced ...WCFab 2001-2004 GM LB7 6.6L Duramax 4" Stage 2 Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on your diesel for improved engine performance. All new design significantly increases air flow to your turbo producing improved ... GM 6.6L LB7 V-8 Duramax Turbo Diesel Engine Vehicle Applications; Year Make Model Transmission Power (hp / kW) @ RPM Torque (lb-ft / Nm) @ RPM; 2001-2003 December 5, 2018. Story By. Mike McGlothlin. Midway through the 2004 model year, GM released the second-generation Duramax, RPO code LLY. Although much of the LLY’s …

The daily times maryville.

Aug 3, 2007 · The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L ... BradSchaefer. 157 posts · Joined 2019. #12 · Jul 30, 2023. My stock LB7 does pretty good for towing. Probably not as good as the duramax trucks with the VGT. I pulled a 18ft cargo trailer 2400 miles round trip from Illinois to Florida and back. Fuel averaged 10.0 empty and 9.9 loaded to 12,000 on the trailer.The Duramax That Defies All Logic. Unbelievably, Buddy campaigns a bone-stock, 300,000-mile LB7 Duramax. And being that his truck has been as quick as 5.73 in the past, he lays claim to the fastest stock engine LB7 Duramax in the world. No hard-part changes have been made. Even the factory head bolts are still intact!The Duramax LLY took over from the LB7 in 2004. It came in the Chevrolet Silverado, Hummer H1 Alpha, and the GMC Sierra until 2005. GM then introduced the …GM 6.6L LB7 V-8 Duramax Turbo Diesel Engine Vehicle Applications; Year Make Model Transmission Power (hp / kW) @ RPM Torque (lb-ft / Nm) @ RPM; 2001-2003

Nov 24, 2020 · The Evolution CTS3 is an all-in-one LB7 Duramax tuner and monitoring solution. It offers tuning for improved performance with gains of up to 100 horsepower and 210 lb-ft or torque. It also has the built in monitoring capabilities of the Edge CTS3 insight. 2. FAQ's. In 2001 GM introduced the 6.6L LB7 Duramax to the diesel industry, sending a b message to Ford and Dodge that they were now a contender in the light duty diesel truck market. With an available Allison 5-speed automatic to back it up, the LB7 has proven not only to be reliable but also capable of tremendous horsepower and torque gains.LBZ Duramax Specifications. Manufactured Years: 2006-2007. Engine Design: 6.6L 90-Degree V8 Turbocharged Diesel. Transmission: 6-Speed Auto Allison 1000 Transmission. ZF650 Manual Transmission. Vin Identification:LB7 can't get a P2563 or P003A as they're a fixed geometry turbo from the factory with a mechanical wastegate. The stage 1 powermax turbos aren't bad but they also aren't great. The aftermarket really has the drop-ins nailed to where a small 63-64mm drop-in typically spools faster and makes more power than a box stage 1 powermax.03’Duramax LB7 limp mode. New injectors last year. It’s been running great. Then limp mode. Check engine light, loss of fuel gauge. P2146 p0201 p0203 p0206 p0207 codes. Checked every wire and harness under the hood. Checked grounds. Pulled valve covers and rechecked injectors and wiring.Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. Difference in years for lb7 motor. Jump to Latest Follow 3K views ...Feb 5, 2017 · The factory firing is 1-2-7-8-4-5-6-3, but this new camshaft design changes that to 1-5-6-3-4-2-7-8. Reversing an engine’s firing order isn’t new science, however, as GM gas guys have been doing it for years in with the LS engine 4-7 swap. The Duramax family (LB7, LLY, LBZ, LMM, LML) can suffer from the crankshaft breaking just behind the ... The LB7 Duramax was the first generation of the V8 Duramax engine, and it did quite well. It is a 6.6-liter V8 engine with four valves per cylinder. It also has an …

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 …

Boosted Performance is now LIVE! LB7 Performance Parts: https://boostedperformance.com/duramax-lb7In this video, Jake covers the LB7 Duramax engine. It is a ...At the core of the K15’s transformation is the formidable ‘03 LB7 Duramax engine, which is more than capable of robust performance. Stingel’s LB7 makes a cool 1,300 horsepower at 4,000 rpm and an impressive 1,900 lb.-ft. of torque at 3,400 rpm. Wyatt’s expertise and commitment to pushing the boundaries of diesel power are evident in the ...Because multiple versions of the Duramax were available in some years, knowing the engine code of your Chevy Silverado or GMC Sierra will make it much easier to ensure you get the correct parts the first time. ... LB7. VIN Digit: 1. Applications: 2001-Early 2004 Chevy Silverado and GMC Sierra, 2001-2005 Chevy Kodiak and GMC TopKick. …The LB7 Duramax was the first generation of the V8 Duramax engine, and it did quite well. It is a 6.6-liter V8 engine with four valves per cylinder. It also has an …In this guide, we outline the best Duramax model years so you can ensure you have a reliable truck. We also list the worst Duramax model years, giving you …New years are a great time to hit the reset button on your business and your mindset. Check out these motivational quotes for the New Year. New Year’s Day is a great time to hit th...2001 To 2004 Chevy Lb7 Duramax Turbo Diesel. In 1997, Isuzu Motors Ltd. and General Motors created DMAX Ltd., a joint venture for producing diesel engines. The Duramax 6600 was the first engine that came into fruition after this relationship started. The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per …The 6.6-liter Duramax LBZ was a short-lived engine only available for two model years. To meet increasingly strict emissions standards, the LBZ was a more aggressively tuned version of the previous LLY engine. Mechanically, the LBZ used the same Duramax parts as the LLY, but the LBZ generated 360 horsepower, while the LLY only generated 310 ...

Costco temecula ca hours.

Bicep tenodesis cpt code.

2001 To 2004 Chevy Lb7 Duramax Turbo Diesel. In 1997, Isuzu Motors Ltd. and General Motors created DMAX Ltd., a joint venture for producing diesel engines. The Duramax 6600 was the first engine that came into fruition after this relationship started. The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per …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: 2006 to 2007: Duramax Engines - 6.6L Duramax Diesel Engine LBZ (2006 to 2007) 6.6L Duramax LMM: 8: 2007 to 2010: Duramax Engines - 6.6L Duramax Diesel Engine LMM (2007 to 2010)Reliability Beyond Compare: The LB7 Duramax engine is celebrated for its unwavering durability and reliability. When properly cared for, it offers years of trouble-free operation, earning its place as a top choice for commercial and heavy-duty applications. TrackTech Complete Top-End Cylinder Head Gasket / Studs Service Kit for 01–04 LB7 …What Years Were the LB7 Duramax? The LB7 Duramax can be found in the 2001-2004 Chevrolet Silverado HD and GMC Sierra HD. It was also used in the Chevrolet Kodiak and GMC Topkick, which were medium-duty trucks produced until 2009. The LB7 was introduced in 2001 and used until early 2004 before it was replaced with the LLY Duramax. What Year of ...2001 To 2004 Chevy Lb7 Duramax Turbo Diesel. In 1997, Isuzu Motors Ltd. and General Motors created DMAX Ltd., a joint venture for producing diesel engines. The Duramax 6600 was the first engine that came into fruition after this relationship started. The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per …LB7: 2001 – 2004. As the original Duramax model, the LB7 is still extremely popular with diesel enthusiasts due to its lack of emissions control parts. In general, it’s a very durable and reliable engine. However, as the first models hit the 100,000-mile mark, some issues cropped up. Injector failure was a common problem on the LB7 engines.The glow plugs on the LB7's are wired differently depending on whether they are california or federal emissions. (not year) So if you have an 03-04 federal-emissions truck, the glow plugs are wired just the same as the 01-02 LB7's. 06 audi S4, V8/6spd. 05 dmax/allison...always testing something new.Here is our guide to the 7 most common 6.6L LB7 Duramax problems and how to fix them. 1. LB7 Duramax Injectors. The most notorious LB7 Duramax problem is their original injectors. Even GM …May 2, 2016 · Engine: 6.6L LB7 Duramax V8 with Bosch common-rail injection system. Transmission (s): Allison 5-speed automatic, ZF-6 6-speed manual. Best Year (s): Any year, as long as all 8 injectors have been replaced with genuine Bosch re-man units. Price Range: $7,000 to $15,000. ….

GM’s 6.6L LB7 did, however, experience considerable issues with premature fuel injector failure. Luckily, the manufacturer remedied such shortfalls with the release of an updated injector in the years that followed. Subsequently, GM also extended warranty coverage of these updated injectors to appease consumers. Duramax LB7 Specs. …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.Because the 7.3 powerstrokes were the pioneer of expensive injector failures. GM has a problem with injectors and extends the warranty and BOOM! No one remember the days of ford guys spending 2-3 grand on injectors 5 years before the LB7 came out. Injectors and head gasket in time, keep your eye on em.This Silverado went through a gradual evolution over the years, from a mild shop truck to a souped-up powerhouse. The earlier build consisted of a stock LB7 bore block with a balanced stock crank, Carrillo connecting rods, MAHLE Motorsports cast de-bowled pistons with valve reliefs and 16.1:1 compression ratio.Up by 13% so far this year, the market is having its best start in over two decades. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners...The exhaust system on the Duramax LB7 is one of the most restrictive parts with respect to performance. If you are looking to increase power, especially if you are tuned, an exhaust is one of the best LB7 upgrades.. With power gains ranging from 20-30+whp and 40-60+wtq an upgraded exhaust will provide big power gains, but there are …The LB7 Duramax Engines is a General Motors diesel engine family for light to medium duty trucks. The 6.6-liter LB7 Duramax Engine is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. The Duramax Engine was released in late 2001 into the Chevrolet and GMC chassis vehicles. The LB7 Duramax Engines were …Duramax History, Lesson 3: LBZ. December 10, 2018; Story By Mike McGlothlin; By the time the LBZ came along, the LB7’s injector issues had long been solved and the overheating issues associated with the LLY were a thing of the past. This engine’s beefier block casting, stronger connecting rods, higher pressure common-rail fuel system …The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque. Starting from a blank sheet of paper, the 6.6L Duramax is recognized to date as the fastest diesel development program in the world. It went from concept to initial production in only 37 months.Best Years Of The Duramax Engines. 1. LB7 (2001-2004) The LB7 was the first Duramax engine introduced in 2001, offering impressive performance with 300 horsepower and 520 lb-ft of torque. As the pioneer in the Duramax family, it brought about a new era of diesel engines for GM trucks. Lb7 duramax years, The most problematic issue with the Lb7 are injectors going bad. GM issued a warranty for this and currently injectors and warrantied for 7 years/200,000 miles. The Duramax was on the Ward's 10 Best Engines list in 2001 and 2002. The following trucks use the LB7: Chevrolet Kodiak/GMC Topkick Chevrolet Silverado/GMC Sierra HD [edit] …, Nemo. The LB7 (engine code "1") the fastest of the Duramaxs was the first introduced in 2001 and continued until 2004. The V8 engine is a 6.6 L (≈403 cu in) and it has 310 hp (261 kW) and 520 lb•ft (705 N•m) of torque. It is a 32-valve design with high-pressure common-rail direct injection and aluminum cylinder heads., 6.6L Duramax Diesel Engine LB7. This original Duramax Diesel 6600 V-8 (LB7) was introduced in 2001 and was used through the mid-2004 model year. It offered a unique 32 overhead valve design coupled with high pressure direct fuel injection. The engine design included an experimental composite aluminum cylinder head. The most frequent …, Engine: 6.6L LB7 Duramax V8 with Bosch common-rail injection system. Transmission(s): Allison 5-speed automatic, ZF-6 6-speed manual. Best Year(s): Any year, as long as all 8 injectors have been replaced with genuine Bosch re-man units. Price Range: $7,000 to $15,000 Pros: Common-rail injection; Quiet operation; 450 hp is possible with a hot ..., Jul 10, 2021 ... Had one, fixed it, loved it, sold it. $4000 every 100,000 miles is not my idea of a good diesel. LB7 is 01-02 years, maybe others., Jul 9, 2012 · Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain Difference in years for lb7 motor. Jump to Latest ... Difference in years for lb7 motor. , 2001 – 2004 Duramax LB7: Source: turbodieselregister. The LB7 Duramax was the first generation of the V8 Duramax engine, and it did quite well. It is a 6.6-liter V8 engine with four valves per cylinder. It also has an engine block made of cast iron with aluminum heads. Overall, it was a very powerful and reliable engine., Feb 5, 2017 · The factory firing is 1-2-7-8-4-5-6-3, but this new camshaft design changes that to 1-5-6-3-4-2-7-8. Reversing an engine’s firing order isn’t new science, however, as GM gas guys have been doing it for years in with the LS engine 4-7 swap. The Duramax family (LB7, LLY, LBZ, LMM, LML) can suffer from the crankshaft breaking just behind the ... , , engine and tranny wise all lb7, lly, lbz, lmm's are probably the most reliable vehicles gm makes our shop has only seen one or two allys come in with actuall issues. and the duramax besides the lb7 injectors and the occasionall cp3 pump are bullet proof. 2002 Crewcab short box 3/4 tonHD lb7 W/Allison stock, ATS DIESEL E-POWER …, Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain. Difference in years for lb7 motor. Jump to Latest Follow 3K views ..., The first generation Duramax, the 6.6L LB7 engine, produced 235 horsepower and 500 lb-ft of torque. Over the years, these numbers have increased dramatically. In the latest iteration, the 6.6L Duramax offers 445 horsepower and 910 lb-ft of torque, which highlights the continuous improvement in power and performance., 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. , Fasteners. Just like the small-block world, ARP is the go-to fastener in any Duramax build. From rod bolts to main studs to the Custom Age 625+ head studs pictured, ARP is deeply involved in the Duramax and the diesel engine industry as a whole. A set of Custom Age studs are always on order when 100 psi (or more) of boost will be sent …, Found some for a 2003 LB7 to 2004.5-2005 LLY and LB7 to 2006-2007 LBZ. I think the key is that the 2006 LLY was mated to a 6 speed, unlike the 2004.5 and 2005 models. An 06 "LLY" is mechanically an LBZ... so forget the LLY part altogether. You're attempting to swap an LBZ into an LB7 truck., The Evolution CTS3 is an all-in-one LB7 Duramax tuner and monitoring solution. It offers tuning for improved performance with gains of up to 100 horsepower and 210 lb-ft or torque. It also has the built in monitoring capabilities of the Edge CTS3 insight. 2., May 5, 2011 · Can someone please tell me what years the LB7, LBy, LBz, and LMM where in production. I am about to buy a new truck, and wondering what years models have certain motors in them. I use to own a 2004 LB7, which was an awesome truck, until a cheap air compressor plugged into the cigarette lighter caught the truck on fire. :booboo , The glow plugs on the LB7's are wired differently depending on whether they are california or federal emissions. (not year) So if you have an 03-04 federal-emissions truck, the glow plugs are wired just the same as the 01-02 LB7's. 06 audi S4, V8/6spd. 05 dmax/allison...always testing something new., At the core of the K15’s transformation is the formidable ‘03 LB7 Duramax engine, which is more than capable of robust performance. Stingel’s LB7 makes a cool 1,300 horsepower at 4,000 rpm and an impressive 1,900 lb.-ft. of torque at 3,400 rpm. Wyatt’s expertise and commitment to pushing the boundaries of diesel power are evident in the ..., LBZ Duramax Specifications. Manufactured Years: 2006-2007. Engine Design: 6.6L 90-Degree V8 Turbocharged Diesel. Transmission: 6-Speed Auto Allison 1000 Transmission. ZF650 Manual Transmission. Vin Identification:, Mar 7, 2023 · The alternator (with a ~180 degree belt wrap) sitting 1/4" higher dictates that the tensioner (also with a ~180 degree wrap) must swing about 1/4" further out. With the tensioner arm length at around 3.5", that only comes out to about 4 degrees. With an easy 30+ degrees left in the tensioner, it's a non-issue. , The exact MPG any engine gets depends on the vehicle it’s used in, but the 6.6-liter Duramax diesel engine gets an EPA-estimated 15 MPGs in city driving and 20 MPGs on highway driv..., Duramax Horsepower & Torque Figures by Model Year. Model Year (s) Horsepower. Torque. RPO Code. 2001 - 2002. 300 hp @ 3,100 rpm. 520 lb-ft @ 1,800 rpm. LB7., 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 …, May 5, 2011 · Can someone please tell me what years the LB7, LBy, LBz, and LMM where in production. I am about to buy a new truck, and wondering what years models have certain motors in them. I use to own a 2004 LB7, which was an awesome truck, until a cheap air compressor plugged into the cigarette lighter caught the truck on fire. :booboo , To say that COVID-19 has dominated the past year would be an understatement. We’ve seen the pandemic reorient how we interact with businesses, each other and the world around us. I..., The VIN number can always be found on your vehicle's title or registration card. It is important to know which engine you have because not all components are interchangeable between the various versions of Duramax engines. Duramax VIN Chart. Model Year(s) 8th Digit of VIN Code Duramax Models & Notes 2001 - 20041 2 • LB7 • LLY (introduced ..., 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... , 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 pound-feet., Jun 13, 2023 ... ... year-old truck in 2023. this information is only good for the 2002-2004 GM diesel trucks. lb7 Duramax. fuel filters lb7 Duramax dirtymax., LB7 Duramax 2001-2004. In 2001, GM teamed up with Isuzu and brought another innovation to the diesel crowd and was first to market with a common-rail direct-injected diesel engine, the LB7. Like every Duramax that followed, it featured 6.6 liters (or 402 cubic inches) of displacement, a cast-iron block with aluminum heads, four valves per ..., 2017 GMC Denali: 5% tint all around, 55% windshield, RC traction bars, 6" Fabtech, 20x12 Hostile Stykers, 35x13.5 Toyo A/T. 2003 LB7 ECSB Too much air, too much fuel (Died 26May2017) . Daily Driver: 2014 Cruze TDI, cold air intake (best mod ever), 5% all the way around., The alternator (with a ~180 degree belt wrap) sitting 1/4" higher dictates that the tensioner (also with a ~180 degree wrap) must swing about 1/4" further out. With the tensioner arm length at around 3.5", that only comes out to about 4 degrees. With an easy 30+ degrees left in the tensioner, it's a non-issue.