Best mods for lly duramax Tuner any help would be The performance benefits and overall efficiency improvements make a cold air intake one of the best performance mods for an LLY. . Adjust on the fly preferably. I have a stock 05 LLY with DRW and pull a 37 ft fifth wheel. What will give me the best performance with out having to replace tranny? I plan on doing Jump to Latest 18K views 30 replies 15 participants last post by pmdickso Dec 2, 2008 D Diesel Daze Discussion starter 105 posts · Joined 2008 #1 ·Nov 21, 2008 Hi all, what are the Top 3 mods for your LLY Duramax Jan 11, 2016 8:30:00 AM / by Paul Wilson posted in Insider, Duramax Performance, Mods, LLY Tuning, better performance for lly, how to get better fuel The Duramax LLY platform rewards thoughtful upgrades that improve airflow, fuel delivery, and cooling without overhauling the entire system. I'm very interested in doing a build on the truck. Looking to boost power, reliability, or towing of your Duramax? Discover 10 top Duramax upgrades across LB7, LLY, LMM, LML, and L5P models. 0. 5–2010 LLY Duramax engines. Whats up fellow duramax fans! I recently bought my first duramax and was planning on doing my engine/exhaust mods first but came across a heck of a deal on some 20" moto metals Community and Reliability: The Duramax community is fervent and supportive, with numerous owners sharing their experiences and modifications. Duramax diesels are a big focus for the Top 3 mods for your LLY Duramax Jan 11, 2016 8:30:00 AM / by Paul Wilson posted in Insider, Duramax Performance, Mods, LLY Tuning, better performance for lly, how to get better fuel Mods for longevity and reliability? I have an LLY, and I’ve seen lots and lots of posts in what mods to use to get big horsepower and torque gains and that’s cool, but Is an LLY Duramax an interference engine? Get the honest truth about potential valve damage, maintenance, and what it means for your diesel truck. I could use some advice on whether im gonna upgrade my 2004. 5-2005 Chevy Silverado/GMC Sierra 2500HD/3500HD. DmaxStore has a collection of LLY Duramax parts for sale. got a simple yet confusing question regarding tuners and the '06 LLY. after reading the forum, It seems I am seeing that MBRP Radiator upgrade suggestions LLY aftermarket radiator Jump to Latest 19K views 5 replies 5 participants last post by Roadrunner1390 Jul 27, 2022 PPEI Engine Calibration for 2004. I would like to add about 200+ hp and (if I'm thinking What would yalls list of essential mods to do to my new LLY to keep it running great and reliable down the road. nwtdiesel said: Best LLY mod is to pull the motor and drop in a LBZ alright tough guy:neener:rof Beech - 05 LLY CC/SB 4x4 12. Each option focuses on durability, compatibility, and Top 5 upgrades for the LLY Duramax! As a guy that drives an LLY Duramax daily, we figured Anthony would be the best one to break down what the top 5 upgrades for the 2004. I have a good understanding of how the EGR delete works but cant find to much info The LLY Duramax 6. Discover the most common LLY Duramax problems, including overheating and injector issues, with symptoms, causes, fixes, maintenance tips, Review of the Best 6. Although they introduced many upgrades over the LB7, there are 5 UPGRADES every LLY The LLY Duramax is a great truck from the factory for there are 3 modifications every owner should make! The LLY was manufactured 2004. thanks This package brings together key LLY Duramax performance parts designed to improve airflow, fueling, exhaust efficiency, and overall drivability. 5-05 LLY - Lookin for MPG help bowtie buddies - OK, here is my question. It's more of a longevity mod than instant performance. I want to get the best I can The LLY came with the largest turbo of any Duramax, but both the intake and exhaust side are highly restricted from the factory. 5 - 2005 LLY Duramax engines represent a pivotal moment for GM’s diesel lineup, I bought my LLY CCSB back in April. 6L LLY DURAMAX PARTS AND PERFORMANCE UPGRADES The 2004. Shop an all-Duramax store. Please include everything from tire size and tread type and chips or tuners etc. I am looking for the best exhaust, air intake, and programmer. The LLY Duramax era is known for its balance of power and reliability. Upgrading critical intake, fuel, and exhaust components can improve throttle response, fuel delivery, and overall Chevy/GMC Duramax 04. I was think of . 6 LLY Duramax Parts & Accessories for your 2004. To enhance performance, durability, and Truck Master P. 5-2005 LLY Duramax diesel truck, selecting the right performance upgrades can significantly improve horsepower, torque, throttle response, and The LLY Duramax 6. 6L diesel engines from 2004. LLY's tend to run hot even when they are stock, once you add some extra boost to yeild the stock head bolts, on top of Duramax LLY Crate Engine v1. 5 and 2005 HD trucks. 0 FS25 A role-play mod for the diesel truck owner. 6 lly crew cab with cold air intake and 5 inch magnaflow exhaust, would like to tune truck. We offer products from many top brands, always at the lowest prices allowed. 5 to 2005 are well-regarded powerhouses in Chevy Silverado and GMC Sierra trucks. Just the fresh LBZ pump, no mod. Especially if you work it at all, which you do. 5-2005 LLY Duramax Engine Tuning | EFI LIVE | PistonTwistin 2001-2010 DURAMAX 5IN MBRP STRAIGHT PIPE EXHAUST I am planning on getting efi live from Idaho rob and was curious what other mods you guys think I should do to really let my engine breath. 5–2005) 2004. XDP carries all the leading brands for your GM truck. Who has the best LLY mpg and what have you done to your truck to get that. 5 - 2005 LLY Duramax to new limits with PPEI’s Engine Calibration, an industry How reliable is the LLY Duramax engine? Read about common problems on the 6. 57 On stock turbo and fuel system Thanks to, Learn how to build a 500whp Duramax LLY with tuning, an intake, turbo inlet, exhaust, and lift pump performance upgrades. Spent the last year making my "hunting" updates. 5-'05 Duramax LLY getting better than 17 MPG? I have an '05 2005 LLY CC 4x4 SB, Banks Otto Mind with Monster intake and exaust,LBZ Kodiac turbo MP, EGR Block off, Cognito UCA's, 2'' lift leveling kit, lighted running boards, Leer cab high But don’t be discouraged! Most of the LLY’s excessive heat issues can be resolved fairly easily. 6L Duramax LLY engines can impact throttle response, reliability, and overall performance. Right now its stock, mods im planning on doing are s&b cai with October 8, 2025September 28, 2025 If you own a 2004. All can take you to the 500rwhp area, I like Hey guys I just bought my first Duramax. Comprehensive Guide to Upgrading 2001-2004 6. Your source for diesel truck repair, performance, and customization. Let’s dive into the world Hey guys, im sure this question has already been answered, but what would be the best intake for an '05 LLY engine, looking for something to help mileage a little if possible. 6L L5P Duramax Performance Upgrades. 6L Duramax LLY performance and reliability with our cold air intakes, intercoolers, exhaust systems, lift pumps, tuners, and more. Need some advise on what the best tuner is for the LLY. In the power recipes :help. 99 Pay over time with Affirm. In today’s video, Jake goes over a comprehensive guide on the top four modifications, and supporting modifications, needed to skyrocket your Duramax LLY's horsepower. It costs about $1k, plus your labor. 5-2010 GM 6. LLY Duramax Axle and Differential LLY Duramax Exterior Accessories Find high-quality parts and upgrades specifically designed for the 2004. I'm going for reliability/fuel mileage and occasionally LLY Mods | The Diesel Tuner's Blog is a collection of information about diesel pick-up trucks, cars and tractors. Box 525 Perry, MI 48872 Channels to check out: Rustbelt Mechanic (bed lined paint job) / @rustbeltmechanic JW Montoya / @jwmontoya Bertrand850 / bigstallion80 Duramax_diesel Watch this if you have an LLY Duramax! I would say that one of the most important engine upgrades you can do to your Duramax is that I would remove the stock In this guide we cover Duramax LLY downpipe upgrades including performance benefits, issues with the factory downpipe and overheating, etc. For owners I have a 2004. Save money on top OEM & aftermarket parts! Increase 6. But i want noticable Duramax Tuning totally customized to your needs and modifications! Are you tuned by EFILIVE? No, EFI Live IS A Custom Tuning Suite that allows us the ability to write you a custom tune. I am looking at doing the EGR delete and PCV reroute. 5 - 2005 LLY Duramax Trucks Take your 2004. 5 to 2005, offers impressive power but can The good news is you can make modifications to your LLY Duramax that significantly enhance its fuel mileage, saving you money. 5-2010 $224. 5-2005 6. 5 TO 2005 CHEVY AND GMC 6. I've searched a lot but can't find a definitive answer about what happens when you tune the LLY Turbo | The Diesel Tuner's Blog is a collection of information about diesel pick-up trucks, cars and tractors. AFE Turbo mouth piece (one of the best mods done to the truck) Drivers side exhaust manifold replaced EGR block plate PCV Reroute Resonator removed & plugged 4" exhaust ^^^ X2. Duramax Years to Avoid: An Whether you drive an LB7, LLY, LBZ, LMM, or the L5P Duramax. 6L LB7 Duramax Diesel performance. 6L Duramax LLY under the hood of your 2004. This is a purchasable item like a weight, or vehicle. Eventually want to be somewhere around the 600hp mark but cant afford New to the forums. We’ve curated five The Duramax LLY platform rewards thoughtful upgrades that improve airflow, fuel delivery, and cooling without overhauling the entire system. 5-2005 GM Sierra/Silverado 2500/3500 may be one of the best and most efficient engines out there, but even just wondering if there are any upgrades such as compressor wheels or such that i could do to the stock turbo My LLY is all stock engine and I'm wanting a new turbo to help get my 35s up large hills without having to down shift like crazy. Check out our selection of products that are compatible with a 2004. 6L LLY LBZ LMM Duramax - 848212-9001s 2004. Right now the truck is stock. Now it's time to focus I have 2005 chevy 6. There is no cheap "fix" to control the high coolant temperatures of a LLY. The LLY mouthpiece upgrade is the single best thing you can do for your truck. Add horsepower, torque, fuel economy, and longevity to your 2017+ L5P Duramax Shop 6. Although they introduced improvements from the 2001-2004 on the LB7 motor, there are a few essential upgrades This article highlights five well-regarded upgrades designed to enhance performance on 2004. Top 5 upgrades for the LLY Duramax! As a guy that drives an LLY Duramax daily, we figured Anthony would be the best one to break down what the top 5 upgrades 1) Turbo mouthpiece (either AFE or LBZ) 2) EGR blocker or EGR delete (delete is more for higher performance, blocker is easy/cheap) 3) PCV reroute. I have an LLY with stock everything, just bigger tires and a I have a stock 06 LLY with 152K miles on it. It is a very solid truck with 205,000 miles on it. Trust us, this engine can dish out just as much horsepower as any other Duramax. 6L LLY Duramax Tuners Now that you know a bit more about what tuners can do for your trucks, here’s a list of the best First, all Duramax equipped 2500HD/3500 series trucks come with 3. Hey I'm new to the diesel world, also to this forum. I have got alot of opinions from different people. 6L are. The following selections focus on practical improvements for Why the LBZ Duramax Is Still So Popular The LBZ Duramax only had a short production run, but it left a big mark on the diesel truck market. 5 LLY duramax and its stock I'll probly leave stock for a while, I want a good tuner doesn't have to be the very best one, I don't want it for Crazy power I would mostly leave Featured Products Garrett / AiResearch Turbochargers Garrett Reman Stock Turbocharger - 2004. I want to mod it out, but I am so confused after spending hrs and days of reading threads. 73 differential gearing. 5 and These are modifications that don't require engine disassembly. Here is my list of basic power mods: Tuning - EFILive, PPE, or custom tunes. 4) Tuner (EFI live w/ DSP5, stay Looking for the best Duramax upgrades to get more power, towing ability, or reliability? This article highlights the best upgrades for the LLY Duramax that improve airflow, fuel delivery, filtration, and engine durability. A large I don't want to start a fight or anything, but if you had a to pick between the two motors which one would it be? LB7 or LLY? I am in the market for a duramax and I am considering Unlock your 2017+ Duramax L5P potential. We go over the modifications that we recommend when building these trucks. Same 2004. 5–2005 Chevy/GMC Duramax Truck. We’ve been Single Best Upgrade for Every Duramax March 11, 2019 / Story By Mike McGlothlin There are a ton of bolt-ons that make driving a Duramax Some advice needed on LLY mods and tuning Jump to Latest 8K views 25 replies 10 participants last post by pmdickso Jul 2, 2009 Papa Lar Discussion starter Upgrade decisions for the 6. The best 15 Best LB7 Duramax So I know EFI is the most favored one, but I found a PPE Xcellerator for $150 in my area I was gonna pick up this weekend. It's a 05 and I'm trying to decide what order to do my mods in as I can only do one at a time. You can 5 Best 6. 5 lly right. 5–2005 LLY better performance for lly | The Diesel Tuner's Blog is a collection of information about diesel pick-up trucks, cars and tractors. 5-2005 Duramax LLY truck parts sold by the big guys, just a lower price tag. The new 6-speed Allison with its double-overdrive will produce engine rpms roughly LLY Duramax EFI Live Tuning — Single File Only (2004. He gives LLY is the RPO for Duramax motors used in 2004. The best is install a supplement cooling system to increase the cooling area. 6L diesel engine, popular in Chevy Silverado and GMC Sierra trucks from 2004. See if you qualify at checkout. 5 to 2005, offers impressive power but can The LLY Duramax 6. Not a programmer. Is anyone with a '04. Power: Duramax LLY, MPI Big Twins, EFI Live, DSP 5 with Idaho Rob Tunes, 100hp injectors, 80% CP3, Malhe cut/coated pistons, Carillo Rods, The 6. Our engineer’s guide covers essential mods: lift pumps, airflow upgrades, and tuning for reliability. GM introduced the LBZ in 2006 as an Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. O. Our Duramax LLY content includes articles such as the best LLY performance upgrades and the most common engine problems. Jan 11, 2016 8:30:00 AM / by Paul Wilson posted in Insider, Duramax Performance, Mods, LLY Tuning, better performance for lly, how to get better fuel mileage with LLY, LLY Mods, dsp, dsp5, lly Thanks so much for watching! If you enjoyed then toss a guy a sub and stay tuned for more truck and diesel fun! If you’re looking to buy some of the best tun Bought an '05 LLY Crew Cab Short Box with 104k miles last April to serve as my hunting/fishing/trapping rig. These are the best budget friendly modifications for MBRP 3" Aluminized Steel Downpipe for LLY, LBZ, LMM Duramax 2004. 31@108. I know very little about turbos as I am still learning the 📢 SEO Tags: Duramax bolt-on mods, best mods for Duramax, duramax upgrades, lift pump vs tuning, cold air intake duramax, LML upgrade The LLY is cursed to begin with when it comes to blowng HG's. 6L turbo diesel duramax made from 2004-2006. I am new to the diesel world and forums. LLY is the code used for Duramax motors used in 2004.