Like all Duramax-powered GMs, and even though the ’11-’16 trucks made use of one of the strongest A1000s built to date, the Allison transmission will still need to be upgraded early in the modification process, namely if you plan to expose it to 450 to 500rwhp on a regular basis. Plus, it’s no longer possible to install the old-style, faulty injectors. Compound Turbo Kits (also known as Twin Turbo Kits) for the 2011-2016 LML Duramax have become one of the most popular upgrades for daily drivers and towing rigs. That’s reason enough to make this priority numero uno for ’01-’04 Chevy and GMC HD owners. Instead they rely on the high pressure fuel pump (Cp4) to draw vacuum from the tank to supply fuel. The current towing capacity for diesel GMC and Chevy trucks maxes out at 23,300. GM only make 6.6L LML Duramax engines from 2011 to 2016. But what about making sure your 6.6L oil-burner outlasts the competition in addition to outrunning it? The combination of having a larger compressor wheel yet having the air flowing toward it bottleneck down in the turbo mouthpiece (i.e. In actuality we have a hard time measuring much of any power difference on a stock truck with a tune. Description: 2001-2015 Chevy/GM 6.6L Fits 2001-15 GM 6.6L (LB7/LML require modifications);For Race Applications only, custom turbo required One of our specialist will contact you as soon as possible to help you take the next step with your truck. A lift pump, like the FASS 150, is installed between the fuel tank and high pressure pump. Back then, the new GM diesel powerhouse represented an exciting leap forward in torque, horsepower and reliability. With the turbo laboring less to maintain adequate boost pressure, intake air and EGT drop, coolant temperature decreases and turbo responsiveness (spool up) improves. However, fluid is only lost when the truck is operational (i.e. This becomes less likely while running a lift pump as previously mentioned. Dodge and Ford had to step up their game to compete with this new platform. LML Tuning, Long story short, the LLY runs warm to begin with and is known to overheat when it’s asked to do any heavy lifting. Furthermore, if you are towing for long distances, like a family vacation or for work, this LML Duramax engine has to be the most reliable vehicle you've ever owned. They will not help and it will create more challenges than provide solutions. Like its namesake bomber – the Stealth goes completely unnoticed until it’s too late. Bosch’s new, updated injectors feature hardened, chrome-plated ball-seats, revised and stronger bodies and DLC coated nozzles for ultimate durability. Though it’s only a preventative upgrade, this mod is … Beyond simple bolt-ons—and due to the common-rail injection system—chasing horsepower with these trucks can be fairly expensive. 2011 - 2016 Duramax LML Parts and Accessories The heavy-duty 2011-2016 LML Duramax is a powerplant that takes even the smallest of upgrades and makes the most of them. One of the most common upgrades done on Duramax trucks after tuning and supporting modifications have been done is a turbo upgrade. The MAHLE GS33937 Turbocharger Mounting Gasket Set is a complete gasket kit to reinstall a stock replacement turbo on your 2011-2016 GM 6.6L Duramax LML/LGH. The s300/S400 Kit replaces the factory VGT turbo charger with a stronger, more robust fixed vane type S300 Turbo. This means an electric lift pump system should be added, which maintains a constant supply of fuel pressure for the CP4.2 to use. towing performance. Achieve the high efficiency power that your 2011-2016 GM 6.6L Duramax LML Diesel is capable of with our parts and systems. We have put together a starter list of things that will make the most impact to get you started. We would suggest to avoid 4" and larger intakes for stock turbo trucks. In order to meet tighter emission standards, GM ditched the tried and true Bosch CP3 injection pump on the LML Duramax. Built Like an Anvil: How to Piece Together an Indestructible Duramax, Yes, I would like to receive emails from Nitto Tire and Driving Line, I’d like to receive Driving Line’s twice-monthly eNewsletter, Sign me up for a quarterly digital magazine subscription. 1. Not to mention it looks a lot cooler than stock. Heavy Tow Tune (+40) Built for towing loads from 8000lbs to gross vehicle weight 3. Any machine work on the LML was done by Pure Addiction’s local machine shop. If you absolutely cannot allow your LML to go down for a pump, you can upgrade it. Buy online or call (800) 749-0688 to make a request. Thanks to Merchant Automotive’s all-inclusive pump upgrade kit(s), a replacement billet-aluminum gear pump housing employs indexing tabs with much more surface area and smoothed edges so as to not dig into the transfer case. The latest version of the 6.6L Duramax requires advanced emissions equipment, including the use of diesel exhaust fluid injection, to reduce nitrogen oxide emission levels by 63 percent over LMM powered trucks. This creates hotter intake air and exhaust gas temps, while the added duty of the cooling system (to cool down EGR) doesn’t help matters. The boys at Exergy Performance have recently released a modified Cp4 that boasts not only a higher power capacity but also a higher level of reliability. The Stealth replaces the stock turbocharger, bolt–for–bolt, literally drops in place. In comparing the LML Duramax with the 6.7L Power Stroke—an engine that also uses the CP4.2 but is accompanied by a factory electric lift pump that supplies it a steady 55-60 psi—the CP4.2 failure rate is much lower. 5.9 12V Cummins Parts 1994-1998; 5.9 24V Cummins Parts 1998.5-2002; 5.9 Cummins Parts 2003-2007; 6.7 Cummins Parts 2007.5-2020; 5.0 Cummins Nissan Titan XD; Duramax Diesel. The FASS 150 features an Air/Water separator and a 3 micron filter. Your stock intake can support all the horsepower you need for towing. Mounted to frame rail, it draws fuel from the tank and pushes it to Cp4. Industry Leader in Performance Tuning for Duramax Trucks! LML Duramax Injection Pump Failure/Upgrade Complete Install Kit. Be aware that debris in the pump is the most common cause of failure. No footprint left behind. No V8s Allowed, Ford EcoBoost Turbo Swap Project Ideas: Truck & Van Edition, The History Of The Oldsmobile 455: GM's 'Other' Big Block Muscle Car Monster, 500HP On A Budget: 7.3L Power Stroke Edition, 5 Weird Classic 4x4 Cars You Can Actually Take Off-Road, Sign up for more restomod content to add horsepower to your inbox. Along the way—and despite more than doubling the truck’s original power output—crucial characteristics such as longevity, reliability, and drivability were in no way compromised. “We competed in the Gauntlet Challenge at ATS,” he says. Cognito and Kryptonite are two well known and respected companies that offer solutions to all of the LML Duramax steering and suspension problems. Request information by clicking the link below. A means of monitoring low-pressure fuel supply is also highly advisable. This engine is remanufactured is able to support up to 500 horsepower as is built to meet the most strict guidelines. Your truck has plenty of power to pull anything up to it's rated Gross Vehicle Weight (GVW), it stops well and the ride quality is superb. It started with the LB7 back in 2001. The question is, what will it take to develop new performance parts for the LML and similar ultra-clean diesels, and what kinds of parts will be available soon? Duramax vs. Powerstroke Towing Capacity. The CP4.2 injecti… This one is common on all ’01-’07 trucks with four-wheel drive, but we’re calling it out here due to a lack of major issues that plagued the LBZ specifically. On the other hand, if you spend any length of time towing something you're bound to notice a few things that could be better. While it’s a bit involved to pull and then split open your transfer case, pump rub can be solved for just $75 in parts. From the factory, both the NP261XHD (manual) and NP263XHD (electronic) transfer cases utilize indexing tabs to keep the gear pump housing in position within the back (rear) section of the transfer case. ... DURAMAX UPGRADES FOR TOWING 5th WHEEL ON A BUDGET! Thanks to Merchant Automotive’s all-inclusive pump upgrade kit(s), a replacement billet-aluminum gear pump housing employs indexing tabs with much more surface area and smoothed edges so as to not dig into the transfer case. Fits: 2011-2016 GM Sierra/Silverado LML or LGH w/ 6.6L Duramax Engine Note: These are files only! And while this LML Duramax started life as a daily driver used for towing, as improvements were made and the horsepower numbers kept climbing, Travis entered the truck in several performance and racing events. Fits 2011-2016 LML Duramax. in motion), so there are literally zero warning signs that “pump rub” is occurring until it’s too late. In actuality we have a … ZZ Diesel offers Duramax chevy silverado gmc sierra Engine Parts. We designed this kit to optimize the engine efficiency by increasing airflow to the engine to help reduce EGTs. For example, 2WD trims can tow more than 4WD trims. Although the LLY came with the largest turbocharger ever offered on a Duramax, it was fitted with the most restrictive turbo mouthpiece, the smallest engine fan and also debuted the engine’s 50-state EGR system. Now it's time to do something! This will not only contribute to a healthier Cp4 and injectors but also cleaner burning fuel. HERE IS WHAT YOU NEED TO HELP YOUR DURAMAX POWERED 2011-2016 SILVERADO HD WITH TOWING: There are literally thousands of options when it comes to upgrading your truck. This new pump option is a bit of an investment but for those that simply can't trust the factory unit there is finally a solution that does not require you to delete the emissions. This drop-in replacement has a larger compressor wheel and turbine wheel, modified compressor cover, comes ready to install. It’s called the Stealth 64 for a reason. LML Performance, In addition to potential half-ton Duramax towing upgrades, General Motors does have a few updates in store for the T1 platform trucks, which launched last year. Sorting through the forums and YouTube videos can take hours to sift through. Continue on to reading this issue and look for links to the latest issues, straight to your inbox, as soon as they’re released! Driving Line® Accelerating Automotive Passion™ by providing a fresh angle of what fuels us. 3. Easiest to notice in cold weather when the rubber hoses constrict, transmission fluid leaks past the crimps on the factory lines. The FASS 150 features an Air/Water separator and a 3 micron filter. -Power delivery smoother than stock with near stock output -Refined timing tables for lower EGTs and higher efficiency, -Built for towing loads from 8000lbs to gross vehicle weight, -High performance street tune designed to balance performance and reliability-Throttle sensitivity increased for less throttle input, quicker shifting and less average RPM in daily driving situations, - This tune represents the maximum effort a Duramax engine equipped with a stock turbo and stock injectors. They reduce wear and tear on your brakes and make towing significantly easier because they help you slow down faster. Hazing smoke at idle, excessive injector balance rates, knocking, missing, fuel in the crankcase and piston damage are all commonly experienced when an LB7 injector goes south. LML, - Duration: 10:59. The key to stopping the pump rub issue (as it’s known) is to eliminate it before your transfer case is trashed. However, these trucks do not have a low pressure fuel pump. With most cooler lines springing a leak within the first 50,000 miles, many Duramax owners had their lines replaced under warranty—only to have them leak again later. If you own an LB7, you have probably done a set … Light Tow Tune (+55HP) Built for towing loads under 8000lbs 4. The new 6.6L Duramax LML is the cleanest and most powerful Duramax engine to date. Sport Econ (+110)-High performance street tune designed to balance performance and reliability-Throttle sensitivity increased for less throttle input, quicker shifting and less average RPM in daily driving situations 5. Heavy Tow Tune (+40)-Built for towing loads from 8000lbs to gross vehicle weight 3. True ECU calibration for the L5P is insanely expensive, but for $740 and an easy hour of install time you can extract an additional 81hp and 144 lb.ft. of torque from … At this point, there probably aren’t a ton of LB7 trucks still sporting the original injectors they left the factory with, but you can bet there are some. Providing you with the lowest cost per horsepower you can find. towing, In its place sits the Bosch CP4.2, a pump that makes use of fewer internal parts but that creates higher injection pressure (up to 30,000 psi in the LML application). Anything from 2011 to 2016 is known as LML. turbo inlet manifold) means the variable geometry turbo has to work harder to bring in fresh air. In towing applications we have recorded excellent EGT control and a wider power band. These units are affordable and very easy to install. By 2021 we expect to see … These trucks are the first Duramax's to … It features many upgrades from the previous versions. The factory turbo that comes on your LML is a solid unit. The LB7 is a great truck despite the injector issues they have been cursed with. Opening up the intake path to the compressor side of the turbo is one of the most cost effective means of lowering coolant temps on an LLY. Leaking transmission cooler lines are common on all Allison-equipped ’01-’10 GM HDs. Improving these materials can improve the tow rating as a result. The sound solution for leaking transmission cooler lines is to scrap all the factory hoses in favor of high quality hydraulic hose or braided stainless steel lines, along with threaded fittings as opposed to crimps. It also depends on the truck. HSP Cold Air Intake for 2011-2012 Chevrolet / GMC Duramax LML As low as $375.79 AirDog II-4G DF-100-4G Lift Pump for 2015-2016 Duramax It certainly is capable of performing well in completely stock trim. Though it’s only a preventative upgrade, this mod is completely worth the time, effort, money and peace of mind. The LB7 changed the game in diesel performance, being the first to the market common rail injection system mated with one of the nicest shifting and controlled transmissions to this day. The Duramax Tuner 64VVTLML Stealth 64 Drop-in Turbocharger for your 2011-2016 GM 6.6L Duramax LML is a must have upgrade! What aftermarket products help with towing? The L5P Duramax had been in use since 2017 and its proven to be a very reliable and powerful engine, but even so, there are ways to improve its output. LB7 Duramax 2001-2004; LLY Duramax 2004.5-2005; LBZ Duramax 2006-2007; LMM Duramax 2007.5-2010; LML Duramax 2011-2016; L5P Duramax 2017-2020; Military Discount. 145,000k miles on truck. hbspt.cta._relativeUrls=true;hbspt.cta.load(1747108, 'ac044f4f-cf0f-42d4-b49d-f415416a14b1', {}); The Cp4 is prone to failure. Unlike the previously mentioned pump rub issue on ’01-’07 trucks, you will notice a pool of ATF under your truck’s front skid plate when these babies start to seep. The design of the indexing tabs allows them to dig into the magnesium transfer case, eventually rubbing a hole in it, allowing fluid to escape. S&B Filters’ high-flowing aluminum turbo inlet manifold solves much of the LLY’s overheating issues, simply by allowing the turbo to breathe better. Towing capacity is determined by a few factors which include torque and horsepower. This will not only contribute to a healthier Cp4 and injectors but also cleaner burning fuel. hbspt.cta._relativeUrls=true;hbspt.cta.load(1747108, 'befe20c3-09e1-41af-ac69-16d4f0b54474', {}); Diesel tuning always gives you the most bang for your buck. A FASS 150 lift pump and gauges are highly recommended. The Industrial Injection Towing Compound Turbo Kit is a fast spooling setup that increases horsepower and torque through the entire RPM range in your 2001-2004 LB7 Duramax. Recognizing that every individual's motoring journey is unique, we seek to give form to both untold as well as celebrated facets of the automotive world. Our EFILive calibrations change hundreds of parameters that change how your trucks drives, feels, and performs. While it’s a bit involved to pull and then split open your transfer case, pump rub can be solved for just $75 in parts. Optimized Stock Power delivery smoother than stock with near stock output -Refined timing tables for lower EGTs and higher efficiency 2. We invite you to get behind the wheel with us, it's certain to be an interesting drive. 1. As laborious as it is to access the injectors on the LB7 (they’re under the valve covers), labor represents a major portion of the repair bill. LML Power, Even on the LBZ, one of the most durable versions of the Duramax ever produced, there is still room for improvement in the form of addressing the transfer case pump-rub issue in 4x4-equipped HDs. It’ll save your brakes and make towing significantly less stressful. Plug and play. 6.6L LML Duramax engines are not the most common model on the market, so it is especially important to be conscientious when shopping for a tuner for this kind of engine. ZZ Diesel is a diesel auto repair shop that offers a large selection of diesel products online for Ford Powerstroke, Chevrolet Duramax, Dodge Cummins, and more. This takes stress off of the Cp4 and ensures a steady supply of low pressure fuel. 2011 Duramax LML Review: Built to Tow I haven’t been this excited about a new truck model since the Duramax engine debuted in 2001. It preforms well in most conditions. Make your diesel have more efficient power and fun to drive with our Chevy/GMC Duramax 6.6L Stealth Module exclusively for Chevy/GMC Duramax 6.6L years 2011-2016. The engine produces 397 horsepower and 765 pounds of torque stock, but it … More Power for my LML?, This is a perfect kit for someone who tows heavy […] 5 Things That Help Towing with an LML Duramax! If you got a LML Duramax, we got the parts and accessories. Unfortunately, early trucks didn’t come from the factory with exhaust brakes. ... to enhance towing control. The 300HP Duramax and 5-speed Allison combo was now the truck to beat. This gasket set is constructed to meet or exceed the OE specifications and are made from high … The best way to keep the CP4.2 happy (aside from reverting back to a CP3) is to ensure air doesn’t make it into the high-pressure fuel system. This is one of the best LB7 Duramax performance upgrades for towing. Steering component durability isn’t just one of the LML Duramax trucks problems, it’s an issue across the board on all Duramax trucks including the LB7, LLY, LBZ, LMM, and L5P. No different from Cummins-powered Rams and Power Stroke-equipped Fords, each rendition of the Duramax has its own unique weakness that requires addressing if you want to rack up hundreds of thousands of trouble-free miles. There are a ton of bolt-ons that make driving a Duramax-powered ¾-ton Chevy or GMC much more fun than operating a 7,500-pound pickup should be. Is the LML a reliable truck to tow something with. Light Tow Tune (+55HP)- Built for towing loads under 8000lbs 4. ... (Deletes) 25hp Tow 45hp Economy 75hp Street 90hp Performance 120hp Race Other tunes Available upon request. Once the ball-seat is damaged irreparably, it no longer has a flush surface to seal against. However, with tighter tolerances present within the CP4.2 providing lesser room for error (along with a different design), any debris, lack of lubricity and especially aeration can lead to catastrophic internal failure. Replacing the tired engine in your 2011-2016 GM 6.6L Duramax LML/LGH with a DFC Tow/Haul Standard Series Long Block is a great alternative to replacing your tow truck. The biggest problem with the original LB7 injectors was traced back to the non-hardened internal ball seat, which, thanks to debris in the fuel and/or aggressive tuning, is prone to failure. Before you invest a decent amount of money into a tuner, make sure it will fit your vehicle. With the LML SPADE by DuramaTuner.com you get: 1. Meaning your fuel system only gets fuel. Companies like Fleece Performance Engineering, Merchant Automotive, Dirty Hooker Diesel and Deviant Race Parts all offer aftermarket kits, which hold up fine to both the elements and the extreme pressure the Allison requires during operation. Banks Products for 2011-2016 GM 6.6L Duramax LML. Check out our vast selection below. Part# LMLCP3/4INSTALLKIT If your CP4 injection pump has failed and sent metal throughout your entire fuel system, you want to make sure you get all of those small metal particles out of the system. Meaning your fuel system only gets fuel. Electronic upgrades modify timing & re-calibrate the engine control module (ECM) to optimize for horsepower & torque gains, resulting in better low-end power, faster turbo spool-up, better … To reach power levels above above 530 to 540 RWHP this is one of those necessary evils; but I promise you, it is one of the most satisfying feelings once you jump in the seat and take it for a drive. Optimized Stock -Power delivery smoother than stock with near stock output -Refined timing tables for lower EGTs and higher efficiency 2. Obviously we prefer our custom LML tuning. For LB7 models, you’ll want to ditch the original fuel injectors in favor of Bosch’s updated units. Chips - Programmers - Tuners | 2011-2016 GM 6.6 Duramax LML We've said it before and we'll say it again, "The best bang-for-the buck for increasing fuel economy in your 6.6L LML Duramax is a diesel tuner or programmer." Tuned Duramax LML Tow tune and sport tune. While both the CP3 and CP4.2 Bosch common-rail pumps employ a gear pump on the backside, GM never equipped any of its ’01-’16 trucks with an electric lift pump from the factory. If there was only one upgrade I could do to my 2020 L5P, it would be the Banks Derringer inline tuner. hbspt.cta._relativeUrls=true;hbspt.cta.load(1747108, 'c9c49b84-a798-4f56-b5ca-376e4dd91974', {}); The 2011-2016 Duramax engine is a robust design. A nice aftermarket intake like what S&B offers will give you a better air filter and easier maintenance. Improve low-mid RPM range power where you need it. Believe it or not, a freer flowing turbo inlet manifold will keep coolant temps in check if you’re fighting overheating issues with your LLY. A FASS 150 lift pump and gauges are highly recommended. Choose a product category on the left to narrow your search, or browse all of our products that fit your vehicle. Then there is the LML, the only Duramax that’s ever required a lift pump to (hopefully) keep its injection pump from self-destructing. A word of advice: When one does decide to check out, replace them all. hbspt.cta._relativeUrls=true;hbspt.cta.load(1747108, '85436db4-a717-4f09-b241-bcec593446b8', {}); Your stock intake can support all the horsepower you need for towing. The result is an injector that essentially never shuts off. The LML Duramax was released for 2011 model General Motors & Chevrolet HD trucks. Already the quickest trucks out of the box among the Big Three, it doesn’t take much to keep them at the front of the pack. Intake. Topics: You bought your 2011 - 2016 Silverado HD with a Duramax to tow something with it. Moving on to the LMM, leaking transmission cooler lines will have to be addressed sooner rather than later. What are some good upgrades if you are towing? Continue on to the site and look for links to the latest articles, as soon as they are released. If you can only treat your specific Duramax to one upgrade, make sure it’s this one. 2. Electronic upgrades, chips, & tuners for the 2011+ Chevy 6.6L LML Duramax Diesel. LML Calibrations 0hp – Modified Stock (Deleted) 25hp – TOW 45hp – ECONOMY 75hp – HOT 120hp – RACE 180hp - 200hp – EXTREME (CP3 Pump, and Lift Pump (Not necessary but highly recommend) Required for this tune) ***DSP SWITCH NOT INCLUDED*** Sold Separately The Krazy On Highways AutoCal Tuner for Duramax Engines. Key upgrades included: a compound turbocharger arrangement, CP3 conversion, injector up sizing, lift pump, and a built Allison transmission. It spools quick and is capable of 550 RWHP when provoked. Race Tune (+135)- This tune represents the maximum effort a Duramax engine equipped with a stock turbo and stock injectors. Either the LML SPADE or a tune file being uploaded at one of our Authorized Remote Tuning Locations will give your truck a whole new feel. If that's not enough for you, take a look at the Stealth 64 LML turbo.
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