Lb7 duramax years

Industrial Injection 2001-2004 6.6L LB7 Duramax Premium Stock Plus Long Block Engine The Industrial Injection Premium Stock Plus Duramax Long Block was ...

Lb7 duramax years. Jan 14, 2016 ... Here's a vin decoder for you. Model Year(s) 8th Digit of VIN Duramax Model & Notes 2001 – 2004 1 LB7 2 LLY (introduced midyear 2004) 2005 2 ...

ChevyTech77. 6861 posts · Joined 2015. #6 · Aug 12, 2021. I agree, stock LBZ, doesn’t get much better. An LMM is basically an LBZ with a DPF in the exhaust. Other than injector issues, an LB7 would be next on my list. Some people have good luck with LLYs but most seem to be problematic. 2006 Silverado 2500 4x4. LBZ.

While it's history stretches back to 1982, we are going discuss the more modern years. The 6.6L was introduced in 2001 and replaced the 6.5L and the company hasn't looked back since. 2001 - 2004.5 LB7. 2001 was the year the 6.6L would be unleashed upon the diesel world.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 ...Description. 2001-2004 LB7 Duramax S400/Stock Compound Turbo Kit. 1000 RWHP capable depending upon turbo and fuel system modifications. Recommended for daily driver work trucks and tow rigs looking for increased horsepower, better fuel mileage, and superior EGT control with stock-like turbo spool characteristics. Recommended Combinations:Description. Fitment. Shipping. Duramax 01-04 LB7 Nozzle Set: Full set of new injector nozzles flowing at 45 percent over, capable of 725 RWHP with proper supporting modifications. Biggest nozzles recommended for stock CP3 pump or turbo. Not recommended for frequent or heavy towing applications. Sold as a balanced and …Good block and rotating assembly. Injectors are the only weak part really. The fixed geometry turbo has a bit more lag than the new VVT's but still works well. The LB7's has some of the more advanced and more available things due to the fact that they have been out the longest. Good luck with the buy.Nov 27, 2017 ... ... ideas is generated from our listeners. 1,200HP Duramax LB7 - JOY RIDE. 37K views · 6 years ago ...more. Diesel Performance Podcast. 6.94K.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.7. 38. Southern Indiana. Sep 1, 2014. #16. 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 same balancer and flywheel, LBZ and LMM share the same balancer and flywheel. Than of course the reluctor wheel had to be correct.

News. Follow our GM Duramax news coverage. Sponsored Links. Complete information, specs, power and torque ratings on the GM Duramax turbo-diesel engines used in GM …Sep 4, 2014 ... Dealer says its the mid year 2007.5 model having the newer LMM engine setup. They place we got the engine send us the Long Block labeled LB7. I ...The first DURAMAX diesel engine, code LB7 debuted in 2000 For the 2001 model year. This 1st generation LB7 Duramax cranked out 300 hp and 520 lb-ft of torque, and was. available in 3/4 and 1-ton trucks. The 6.6-liter V8 turbodiesel engine featured aluminum heads with 32 valves on a cast iron block. It had high pressure, a common rail, … Chevrolet Silverado, which has consistently been designed with reliable engines. . The LB7 Duramax engine is a turbocharged, intercooled V8 that produces 300 hp and 560 lb-ft of torque. The engine ... Midway through the 2004 model year, GM released the second-generation Duramax, RPO code LLY. Although much of the LLY’s internals match what you’ll find in the LB7, this version of the 6.6L V8 brought an improved injector design, variable geometry turbocharging and cleaner emissions to the table. On early versions of the LLY (’04.5-’05. ...

These stainless DHD retainers are direct OE Replacements for LB7 Trucks 2001-2004. This is the perfect alternative to outrageous OE replacement prices. DHD's exclusive kit includes 8 304SS line retainers and 8 stainless M5 bolts. Replaces GM #'s 97250489 & 97237113.Nov 27, 2017 ... ... ideas is generated from our listeners. 1,200HP Duramax LB7 - JOY RIDE. 37K views · 6 years ago ...more. Diesel Performance Podcast. 6.94K.Having trouble with my LB7 and am already half the trucks cost deep in parts. Low boost. Had massive holde in the intercooler. Replaced intercooler still no boost. Pressurized charge system held 20psi for 30 seconds no leaks. Rebuilt turbo with cartridge. New turbo gaskets. Still no boost.Duramax LB7 and LBZ are both 6.6L diesel engines. The LB7 is a 1st generation engine, while the LBZ is a 3rd generation Duramax engine. Both engines share many of the same engine parts, including crankshafts, camshafts, connecting rods, blocks, fuel tanks, bore x stroke, and so forth. Despite their similarities, the two engines differ slightly.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 LB7Every year, millions of people plunge into a period of feasts and fireworks in celebration of Chinese or Lunar New Year. How did this holiday get its start? Advertisement Every yea...

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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.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 …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. …Description. Fitment. Shipping. Duramax 01-04 LB7 Nozzle Set: Full set of new injector nozzles flowing at 45 percent over, capable of 725 RWHP with proper supporting modifications. Biggest nozzles recommended for stock CP3 pump or turbo. Not recommended for frequent or heavy towing applications. Sold as a balanced and …

Sep 1, 2014 · 7. 38. Southern Indiana. Sep 1, 2014. #16. 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 same balancer and flywheel, LBZ and LMM share the same balancer and flywheel. Than of course the reluctor wheel had to be correct. Jul 18, 2012 ... The start was 2002 for the LB7 and 2004.5 for all emissions with the LLY. tileman2003 said: No, I think fed trucks have the smog stuff. 01, and ...Boosted Performance is now LIVE! LB7 Performance Parts: https://boostedperformance.com/duramax-lb7In this video, Jake covers the LB7 Duramax engine. It is a ...Duramax LB7 and LBZ are both 6.6L diesel engines. The LB7 is a 1st generation engine, while the LBZ is a 3rd generation Duramax engine. Both engines share many of the same engine parts, including crankshafts, camshafts, connecting rods, blocks, fuel tanks, bore x stroke, and so forth. Despite their similarities, the two engines differ slightly.Play Truck - 2002 LB7 2500HD Crew Cab Short Bed ... id assume they would since thes basically the same block every year but am not sure. 2015 Chevy Silverado 2500 HD 6.6L LML. ... A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, …Industrial Injection 2001-2004 6.6L LB7 Duramax Premium Stock Plus Long Block Engine The Industrial Injection Premium Stock Plus Duramax Long Block was ...This newly formulated Custom Age 625+ super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation making it best suited to extreme, high horsepower competition builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016.Mar 27, 2017 · The Duramax LB7 is a 6.6L V-8 with four valves per cylinder, a cast-iron engine block with aluminum heads, and high-pressure common-rail injection. It produced 300 hp at 3,100 rpm and 520 lb-ft at ... Chevrolet diesel trucks use the 6.6 liter Duramax engine, which is prone to intermittent fuel starvation, water pump failure, overheating, injector failure and injector harness cha...

Duramax LB7: 2001-2004 model years As the first Duramax model to be released, the LB7 is still very popular among diesel enthusiasts due to its lack of emission control parts. Generally, it is a very reliable and durable engine; however, once the first model hit the 100,000-mile mark, some issues begin unveiling themselves.

Each injector has a $75 core charge and is fully refundable if they are shipped back within 90 days. All Industrial Injection / OEM products are covered by a one year/unlimited mile warranty. When replacing the injectors in your LB7 Duramax we highly recommend replacing the injector fuel lines to avoid new injector contamination. The most ...Mar 21, 2023 · 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 ... 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.We’re going to cover everything you need to know about the Duramax LB7: Origin Story; Engine Specifications & Tech Dive; LB7 Reliability; Performance Upgrades; Origin Story. …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.Every year, millions of people plunge into a period of feasts and fireworks in celebration of Chinese or Lunar New Year. How did this holiday get its start? Advertisement Every yea...This newly formulated Custom Age 625+ super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness – with complete resistance to atmospheric corrosion and oxidation making it best suited to extreme, high horsepower competition builds on LB7/LLY/LBZ/LMM/LML Duramax 6.6L engines manufactured from 2001-2016.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:

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The motor, sometimes referred to as Baby Duramax, was slated to be offered in GM’s light duty pickup trucks – the Chevrolet Silverado 1500 and GMC Sierra 1500 – for the 2010 model year.Dec 28, 2014 · Louisburg, KS for now. Jan 7, 2015. #6. If someone wants to send me one with a rise on it, I'll cut it off and weld it up like it was never there and send it back. That way we'll and I'll know for sure that the LLY-LMM fit on an LML. Just pay for shipping. I'm pretty sure they do being Rick tested all his stuff on the 2011 LML he had, but I'm ... Mar 26, 2020 ... An up-to-date walk around and modification list of this 600 hp LB7 Duramax Diesel. Instagram: @raberle7 Facebook: Reid Aberle Email: ...Description. The ultimate LB7 kit includes everything you need for a successful injector installation, cup and sleeve resealing, bolt replacement, fuel line upgrade, and glow plug replacement. It also comes with a super high-efficiency Cat Fuel Filter. This comprehensive kit is backed by a two-year warranty and contains all the necessary ...Finding a woman at the World Economic Forum (WEF) in Davos is not getting any easier. Last year, 17% of participants at the invitation-only event were women. This year, only 15% ar...The Duramax LB7 is a 6.6L V-8 with four valves per cylinder, a cast-iron engine block with aluminum heads, and high-pressure common-rail injection. It produced …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.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.Lb7 injector issue. Hey guys, new here to this forum and was looking for a little assistance. I have 2004 lb7 duramax with 269k miles, replaced the factory injectors last week with remanufactured Bosch injectors and truck drove and ran amazing until this morning, pulled into work and truck sounded like it had a fuel knock.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 ...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.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. ….

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 …💪 WATCH THIS before buying A Used 01-04 Duramax LB7!!! Wade goes over what he looks for when buying a used Chevy/GM Duramax LB7 for the 2001-2004 truck year...While that LB7 platform was replaced with the LLY in the middle of 2004, the basic internal design of the Duramax has been left virtually unchanged up to the 2016 model year. Sure, it received some updates and changes as the years went on to better fit emissions requirements, but there is no doubt that the Duramax engine has been a …Filter fuel better, make sure you always get clean fuel, keep and eye on your balace rates. Great engines, LB7 injectors outflow all other injectors in stock form in terms of lpm and tend to get the best mileage per gallon. LLY is 2004.5 and 2005 some have headgasket issues due to a lacking cooling system.JRooney Discussion starter. 1 post · Joined 2020. #1 · May 16, 2020. Bought lb7 po says injectors rebuilt all 8 prior to me buying it. No smell of fuel in oil and oil looks clean.Cranks starts and dies doesn’t run long 5sec maybe. Primer does not get hard even after priming and purging. Seems to be pumping though no visible leaks smells ...20. 18. Feb 5, 2021. #1. Thinking about long-term plans for my truck (2003 CCSB 4x4 LB7). Let's say the goal is 600 rwhp (or enough to run 7.99 in full street trim in a 7000 pound truck) and to be as reliable as possible in a ~450-500 rwhp daily driver tune. I'm defining "as reliable as possible" as the closest to brand-new GM longevity as ...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’...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,...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. Lb7 duramax years, With all the upgrades, Perry’s Duramax is making somewhere along the lines of 1,400-1,500 horsepower, with a long-term goal of adding a compound-turbo setup and getting closer to 1,800-2,000 horsepower on fuel only. Diesel of the Week is sponsored by AMSOIL. If you have an engine you’d like to highlight in this series, please email Engine ..., ChevyTech77. 6861 posts · Joined 2015. #6 · Aug 12, 2021. I agree, stock LBZ, doesn’t get much better. An LMM is basically an LBZ with a DPF in the exhaust. Other than injector issues, an LB7 would be next on my list. Some people have good luck with LLYs but most seem to be problematic. 2006 Silverado 2500 4x4. LBZ., The first DURAMAX diesel engine, code LB7 debuted in 2000 For the 2001 model year. This 1st generation LB7 Duramax cranked out 300 hp and 520 lb-ft of torque, and was. available in 3/4 and 1-ton trucks. The 6.6-liter V8 turbodiesel engine featured aluminum heads with 32 valves on a cast iron block. It had high pressure, a common rail, …, LB7: The O.G. It doesn’t get any simpler than the original 6.6L: the LB7. With the exception of California models, the first Duramax was effectively free of any of the problematic emissions control devices that would be introduced in the years to come., Common problems with Duramax diesel engines include air in the fuel lines, fuel starvation, water pump failure, overheating, injector failure and harness chafing. Some of these iss..., 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., 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., Apr 2, 2023 ... LLY Duramax Problems & Reliability. 14K views · 1 year ago ... ... The LB7 Duramax - Reliability & Common Problems! ... What Is The Worst Year ..., The Duramax LB7 is a 6.6L V-8 with four valves per cylinder, a cast-iron engine block with aluminum heads, and high-pressure common-rail injection. It produced …, VIN Code 8 - LML (2011-2016) In 2001 GM replaced the outdated Detroit Diesel 6.5L when they debuted the Duramax LB7. Development of the LB7 began in 1997 when General Motors and Isuzu Motors paired up to create DMAX Ltd and after just over three years, the state-of-the-art 6.6L V8 with four valves per cylinder was ready to be unveiled. At the ... , 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., 8th digit of the VIN is a "1" for LB7 and a "2" for LLY. All the duramax platforms have their quirks. I personally prefer LLY's, they are most notorious for headgasket issues but after 15+ years I'm fairly confident that if there was an issue with the truck, a previous owner would have fixed it. 6.0L Gas engine would probably be cheaper on …, 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., Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Performance Parts Discussion. What year of Duramax did this come out of? (Intank module) Jump to Latest Follow 3K views 6 ..., Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain LB7 injector balance rates of 0.0 in park ... cold air intake, edge programmer, 135,000 miles, had 90,000 when I purchased the truck 5 years ago and was told injectors got replaced under warranty at around 80,000. Save Share. Like. Sort by Oldest first …, Jan 18, 2024 · 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. , The Instagram that got away. Despite the general consensus that Twitter is a fun place to find news, make news, and otherwise keep up with the world in real time, investors have la..., Nov 27, 2017 ... ... ideas is generated from our listeners. 1,200HP Duramax LB7 - JOY RIDE. 37K views · 6 years ago ...more. Diesel Performance Podcast. 6.94K., 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 30-percent over injectors are the perfect upgrade for the LB7 owner that doesn’t want to take a chance on bending a connecting rod—or that isn’t quite ready to build an engine. Built Allison 1000 Transmission (Mentioned Above): $6,000. Aftermarket Fuel Supply System (Mentioned Above): $624., 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, Mar 21, 2023 · 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 ... , 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 …, Feb 1, 2023 · Duramax LB7: 2001-2004 model years As the first Duramax model to be released, the LB7 is still very popular among diesel enthusiasts due to its lack of emission control parts. Generally, it is a very reliable and durable engine; however, once the first model hit the 100,000-mile mark, some issues begin unveiling themselves. , The 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 …, 💪 WATCH THIS before buying A Used 01-04 Duramax LB7!!! Wade goes over what he looks for when buying a used Chevy/GM Duramax LB7 for the 2001-2004 truck year..., The 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 …, 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,..., 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., Duramax 6.6L Model: LB7: LLY: LBZ: LMM: LML: L5P: Production Years: 2001-2004: 2004.5-2006: 2006-2007.5: 2007.5-2010: 2011-2016: 2017-Present: VIN Code (8th digit) 1: 2: D: 6: 8: Y: Engine Size: 6.6L, 403 cubic inches: 6.6L, 403 cubic inches: 6.6L, 403 cubic inches: 6.6L, 403 cubic inches: 6.6L, 403 cubic inches: 6.6L, 403 cubic inches: Head ..., 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. , 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 result is a Camaro with an LB7 Duramax fit snuggly under the factory hood, which surprisingly, doesn’t look out of place. In fact, the hefty engine fits the mold just fine. The motor itself is Wagler’s Streetfighter Duramax platform , that comes assembled with a Callies billet crank, MAHLE pistons, narrowed Wagler rods to fit the crank ...