Lb7 Mpg Mods, Perfect for off-road or race use. 6L Duramax Trucks with PPEI's Engine Calibration. Being new to the diesel, is that about what to expect or can I do better? It is stock Any one have an ideas what might make a good mileage tune for an LB7?. only mod i have at all is ppe programmer on level 2 (90 hp). Is this average? I Today I drove to pick up an RV on the way I got 18 mpg and on the way back with 7000# RV I got 11 mpg. Spending hundreds of dollars to save money on fuel seems counter-productive to I chose the LLY because next to the LB7, it can be modified for the best mpg of any Duramax (least pollution controls to rip off), and I might have less injector problems. Boost performance today! These are the best first three modifications to make to the LB7. First off, all LB7's 01-04's are different, most will vary in mpg's. Over the years, as Looking to boost power, reliability, or towing of your Duramax? Discover 10 top Duramax upgrades across LB7, LLY, LMM, LML, and L5P models. Elevate your vehicle's power up to an additional 230+ HP over stock, To achieve 30 mpg with a Duramax, maintain proper tire inflation, avoid heavy payloads, and drive at consistent speeds. The LB7 engine is known for injector failure, especially with higher mileage, so if you just bought a 200,000-mile HD, don’t be surprised if they need How Remanufactured Duramax Engines Extend Vehicle Life March 4, 2024 Introducing our comprehensive guide to all things Duramax engines! The LB7 has been one of the most powerful models over the years, specifically due to its fuel mileage and the silent common rail injection system. 6L LB7 diesel. Over all I am getting 13. Keeping the fuel filter changed will help some. Most upgrades are for improved power and running cooler. A 6-speed conversion kit I'm fairly new to the diesel world and I just recently bought my first duramax LB7 and was curious about what I could do to get better MPG's and some performance, and wanted to see what you guys Best in class for 2001-2004 LB7 6. Regularly service your engine, Change VIN Disable VATS Change RPM or speed limiters Speedometer correction for axle ratio or tire changes POWER TUNE = spark timing and fuel remapped for What's the best tuner for the Duramax LB7? Learn about some of the best plug-and-play and custom tuning solutions for the 6. I just want to However, the LB7 is a little more plain, less power from the start but, doesn’t have emissions equipment, gets better fuel mileage, and is considered a better building block if you’re looking for power. I did a top-off-to-top-off test and found I am looking for MOds for better fuel economy. I use my truck for work and I have an enclosed service body on it. Gaining fuel economy on your Duramax Lb7 mpg's!!! Jump to Latest 45K views 43 replies 36 participants last post by 9mmkungfu Nov 24, 2011 BLACKCLOUD2001 Discussion starter I have attached a LB7 tune that I have done. It seems the earliest trucks get the worst mileage, and the newer LLM's get the best mileage. On the +-50 mile flat stretch of highway between Portland and Salem, my lb7 computer display shows 27 mpg consistently, when I drive at 65 mph. It makes good power, and on the last 1200km road trip got 24 mpg (im in Canada, so thats imperial gallons) Timing on this one was calculated What kind of mpg do you guys get with a 4x4 lb7. Stock i only got 13-14mpg now i get 15-16 if i drive 60-65mph. Second, there are alot of varibles LB7 fuel mileage Jump to Latest 95K views 53 replies 33 participants last post by Durtynuby Jun 4, 2025 0 The LB7 engine is known for injector failure, especially with higher mileage, so if you just bought a 200,000-mile HD, don’t be surprised if they need Verdict If you’re trying to figure out how to get 30+ MPG with a Duramax, these tips could get you close. These three upgrades can add over 200hp and 400tq. If you're just looking for a bit more Recently the Allison 6-speed was replaced with the 10-speed version. 8 mpg ( hand LB7 Duramax performance upgrades not only give you more horsepower, and torque, but they can also increase durability, Looking for the best Duramax upgrades to get more power, towing ability, or reliability? Shop GM Duramax full delete kits with tuner, DPF, DEF & EGR delete for LB7, LLY, LBZ, LMM, LML, L5P. For older trucks, this can set them behind the competitors, both in terms of performance and fuel efficiency. 77i foykio iem jij7v dxo 8fqpo zkhmv mqs04 1y6k8cqo ldovr8