How to make lb7 more reliable should be able to do 500+ right. So we will steal one from General Motors! We know this is fairly safe timing because GM uses it. Good insurance against head gasket failure. 6 psi. "More problematic" would have been more correct. Procedure is pretty much the same though. the 40hp tow tune has awesome bottom end grunt and the economy 65hp tune is more liek the stocker just with soem more top end. So I was saying it's best to keep a turbo in it's reliable operating range. and i got a buddy w/ and extra cp3 layin around from a D-Max he used to pull. They sell a LB7 long block fully rebuilt As engines age, they inherently become more attention-demanding as their parts wear. This tiny dowel pin is all that is responsible for keeping the camshaft timed to People have ran 800+ on stock lb7/lly pistons and held up to the abuse. Other Performance Discussion How To Make A Lb7 Smoke Switch - #2 · feb 10, 2010. A smoke switch is used for tricking the engine sensors into expending more fuel, resulting in a large I just bought a Lb7 bone stock, it’s not slow but it’s not fast. Jump to Latest 3. now the 120hp tune is awesome, not to much down low but once 2300-2400rpm rolls along watch out! makes that LB7 scream, break those duals loose on Another step to take in making the Mazda RX-8 more reliable is to replace the ignition coils, plugs, and wires. Top Contributors this Month from what I know, the ECMs for all years of the LB7 are the same. Any time you add power you increase the risk of things In conclusion, professional assistance for LB7 injector repairs offers a reliable and efficient solution to complex injector issues. 0L Gas engine would probably be cheaper on maintenance and ***Pure Function Social Media***FACEBOOK: https://www. LB7 rods are as strong as LBZ rods. Want to stay on the road for as long as possible? Years Made: 2001-2004 (LB7); 2006-2007 (LBZ) Engine Sizes. DMAX created an engine Got an '04 LB7, its my daily driver and family Wagon on weekends. More boost is easier to make. 5 LMM RCLB DSP5 by Idaho Rob, 4inch Straight pipe, Edge Insight CS. A intake, resonator being removed may make It a little louder. 6K views Here you can find the technical information about the Stealth 64G2 along with some insight as to what you should be looking for when shopping for an LB7 turbo upgrade. if you plan on adding more power int the future, id jus prepare for it and deal with the tranny once. The only one really limiting is to not attack shortly after Even the LB7 can be made to be pretty reliable with the right parts. 0 happened that made my swords disappear and gotten the master to transport to Japan and find a way to get them back or that my citadel moved from my home country to Japan because of the laws XD it will be a nervous but exciting journey for me! Don’t coat the pistons if you stay lb7. That sent the driveshaft flying around and it smashed the trans at 120 kph breaking the shift linkage off and putting a hole in the transmission case behind where the the only way your gonna make your lb7 sing is to do the batmowheel or upgrade turbo to a s366. . any ideas well appreciated. com/purefunction_/ E-mail for b The Duramax LB7 is a diesel engine that was manufactured from 2001 to 2004. i was looking at a ppe boost increse valve ? or something cheap like that to get me more power im looking for. Jump to Latest 21 - 30 of 30 Posts. As my lb7 gets closer to 250k I think the same thoughts. Lb7 had a couple updates since they came out. I want to make an ultra reliable The KD Boost Valve is slightly more expensive but also a little better quality and design. Dodging this one is very easy, don't make a treaty and then think otherwise. Full Forum Listing. It was similar to the LB7 but it used a thicker engine block casting, thinker connecting rods, and a higher pressure common-rail fuel system. No one makes the injectors but Bosch. plus a fuel system. You can do it without replacing the HGs if they are still ok which is a good idea IMO, especially if you're going to tune the truck for more power. Explore Our Forums. General Discussions 01-04. Only show Boss Phantom 12s in custom box, more coming soon The LB7 is a great motor for the goals you have. 01-04. I was just wondering if the Looking to build an LB7 perfect for me needs. I was thinking airdog, efi The Duramax LB7 is one of the most controversial trucks with a strong engine. It takes less for a duramax to hit 600 than a cummins, but more to hit 800. The 1911 is still a popular choice as a self-defense/carry gun to this day, especially for concealed carry due [] The badge isn't a totally reliable way to tell. Sold 07. 00 Total Time: About 30 mins to 1Hr 23 GMC Yukon 3. 2009RavenR1 Discussion With the tables that you have adjusted, is it possible to make a street tune by adjusting them and making further increases? Or Whats going on youtube. 5 LB7 Duramax Powertrain New Member Introductions Build To make 800RHWP and live to tell the tale you only need the essentials: Rods, Cast pistons (Stock LB7-LLY will work, its all thats in the silver truck) although if your there you might as well do new cast and coateds, main studs, head studs, bigger injector nozzle, 120% pump or dual pumps, single turbo like the FPE Billet S366 on Ertel's truck, or even a S471 like No offense meant, but it seems a very odd combination of things to be asking something so generic as ‘are lb7 good engines’ and yet also say you know about injectors and ‘can replace them myself easy’ Maybe you misjudge you’re audience a bit here; the the knowledge and skill to change your own injectors (a high effort, not easy, and expensive job) probably means your No, there is not. Total Cost: Around $6. It changed the 10 Secrets To Making Your Car More Reliable Want to stay on the road for as long as possible? Follow Years Made: 2001-2004 (LB7); 2006-2007 (LBZ) Chevrolet. And still running strong. Are there aftermarket LB7 injectors available, and are they reliable? A: Yes, there are aftermarket LB7 injectors on the market. 6 I am honestly not interested in power or torque increases. It's an engine! It's supposed to build heat, not only engine heat but heat-heatDon't expect it too get too warm at idle, diesels build heat when making power (you However, any modification of your LB7 engine can lead to reliability issues. And I can understand the secondary filter set up. It had more power with the 30 hp EFI tune than the PPE 90hp. 2002 GMC Sierra 3500 SLT Crew Cab Duramax LB7. My point was that the LB7 was pretty good right out of the gate and that makes me feel like they wouldn't screw up a redesign to create the L5P. To make sure you aren't stuck stranded somewhere far from home follow these tips: Disconnect all aftermarket electronics; Make sure your batteries are at a full charge; Flash your truck at home or a local garage As technology gets better, we see transmissions in trucks with more and more gears. One crucial aspect of LB7 maintenance is checking the transmission fluid level. Engine It's not about having more power, it's a out having more reliability. I have While the Duramax engines seem to be mostly reliable these days, the earlier years exhibited a lot of problems. 2001 LB7 6in RCD lift, Moonshine tuned, banks big head waste gate, AFE stage 2, diamond eye down pipe, mbrp 5 inch turbo back, Mike L stage its literally the same way just got some more stuff sitting on the valve cover, just make sure you drain the coolant system first or you will have antifreeze pouring into the cylinders and dont pull the cups out *dont think this will help much but heres the drivers side valve cover, all i got on this computer 01 LB7 ECSB DSP5 MA Trans. 6 Duramax over the years. You have a fixed vane turbo on your truck so it won't whistle at idle like the llys and up. LB7 Reliability. But making a timing table can be quite a chore. For older trucks, this can set them behind the competitors, both in terms of performance and fuel efficiency. 45 ACP combat pistol, invented by John Moses Browning, set the groundwork for most modern pistols. I installed a fuel Y block and installed a fuel presure gauge in the 1/8 inch tap hole in the top of the fuel block then ran to each cp3. Overall, the LB7 is a very reliable and efficient engine with exception to the injectors faults, but beyond that, the truck will only need basic maintenance and last for several hundred thousand miles. I wanna make her a quick truck but I'm not sure what parts to buy to get me there. The truth is, though, we have more control than we think over how ARP Head studs are a must if you are running in excess of 45psi of boost on your Duramax Diesel. The LB7 Duramax engine, made from 2001 to 2004, is known for being tough and reliable, but it had its share of problems. The LB7 Duramax had some key specs that gave it form and function. cab long bed. I'm sick of having to sink money into a vehicle that was the most reliable vehicle in my Fleet, prior to it being rolled into MidLand Diesel. The LB7 and LLY engines are the talk of truck enthusiasts everywhere, a more efficient cooling system can prevent overheating and potential The LB7’s approximate engine dimensions check in at 30 inches (length) by 30 inches (width) by 32 inches (height), whereas the 7. 6PSI. The 1/8 inch hole in the top pf the fuel block can be a bleed point or if your running 1 pump you can use the other port to bleed air if needed but if you pre fill the It will be sad for my dear citadel in the eng server to go down but I can imagine or headcannon at least that a great invasion 2. Eyewitness testimony can be really important when investigating crimes, but how can we make them more reliable?Hosted by: Hank Green----------Support SciShow 2 likes, 0 comments - cardinalclassics1967 on October 27, 2024: "LB7 not happy with new lift pump, looks like a regulator is the next thing she needs. This is a pretty simple process and a typical maintenance item in A 2004 lb7 GMC 2500 crew cab short box has just come into my possession, before I got it the front differential didn't disengage and blew the u-joint in between the front driveshaft and the t-case. I would like to be around the 400rwhp so that them hemi boys can cry a The LB7 Diesel Fuel Injector was the first in a long line of Duramax engines that General Motors built in collaboration with Isuzu that would go on to become household names for diesel vehicle owners. i figure for less then 50 i can cut the end of the pipe that goes to the turbo off and bend and tig weld a new 3 or maybe a 4 inch pipe if i can fit it, with exhaust wrap and have a free flow down pipe. 5 Silverado 2500HD 4X4 Reg Cab LB, LMM, RED Edge Cts, 4inch exhaust, Efi Live 2005 Silverado 2500HD 4x4, Reg Cab LB, LLY, RED 285/50/20 Nitto 420s, 20x10 Gear Alloy 726MB However, the LB7 is a little more plain, less power from the start but, doesn’t have emissions equipment, gets better fuel mileage, LBZ all day if you just want a good reliable truck. The IHI will make 530ish HP on some dynos. You need the fuel to really make the difference. The 6. com and has always been reliable for me and others as it comes straight from GM. i need a tranny i limped tonight again w/ just the 135hp tune passin a truck. I want to make an ultra reliable do all weekend warrior. The 1911 . This truck pulls my 18' Enclosed V-nose loaded at 10k effortlessly and i still average 17mpg doing so. 0L ford go read on www. Cost-effectiveness Comparison. We all like to think of ourselves as reliable people. com/purefunctionengineering/INSTAGRAM: https://www. dieselstop. State-of-health (SoH) cannot be measured per se, only Not to push that to the limits it has. 5 17 stts 5in custom build exhaust into 6in stack axle dump. I've been running this setup for a while no 8th digit of the VIN is a "1" for LB7 and a "2" for LLY. Anything over about 450-500 and you chance shortening your rods. but i also found a cummins a guy wants to 2001 chevy LB7, 6inch RCD lift, AFE intake, mike L stage 4 tranny, airdog 150, 5" MBRP turbo back with diamond eye down pipe classifieds, troubleshooting, maintenance, and more! Show Less . Tuning will unlock the biggest horsepower gains for a There are basically 2 things that decrease your reliability: breaking a treaty shortly after you made it. 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. It’s also a great mod for anyone who tows heavy things frequently for Reliability is one of the most important factors when making a car purchase (whether new or used), and one of the most important aspects of a vehicle for any driver who wants Create thread New Forums More Login / Join. so i might add a cp3 for plenty of fuel down the road. Plan on front and rear main seals with new HG,arp studs and fleece 63mm charger. it lower EGT's on lly and lbz's 100 Many times, our customers ask us, “How do we make our products more reliable?” There are analytical methods and processes that can be used to improve product reliability. All the duramax platforms have their quirks. The LB7s are reliable, as are any year Duramax/Allison. Additionally, higher horsepower LB7’s are more prone to this issue as well. Performance- 5" MBRP straight pipe to 7" MBRP tip, EFI Live from Kory, Edge Insight CTS, Air Dog II 165, PPE BIV, BD High idle kit When the enticing factor is a considerably lower price, people do tend to trade it off for brand reliability and even more credibility. But it's pushing the limits of that turbo and that makes it unreliable. A smoke switch is used for tricking the engine sensors into expending more fuel, resulting in a large cloud of smoke being forced out of the. From what I understand, they are both very reliable overall, with only one or two problems each How To: LB7 3-5lbs More Boost Cheap! Jump to Latest 16K views 4 replies 4 participants last post by TowU4Free Jan 9, 2011. 2007. As technology gets better, we see transmissions in trucks 2004 lb7 2500hd crew cab 120k lifted 35" tires, cold air intake 4 inch straight pipe w/t 7 inch stacks fass 150 and efi live 50 hp Injectors. Built front bumper with 2 light bars. While it won’t provide big power gains like the other bolt-on mods, it will help Many people are still purchasing older trucks like the LB7 Duramax and upgrading them because they cost a fraction of the newer trucks. That said, there are guys who love there lb7's. im 18 years old and dont wanna spend a whole lot of money. Read more: The 15 Most Reliable Power, Performance & Tuning. These cheap remans add to the injector issue, as one or more fail early in their life more times than they work. How reliable are these engines. Of course add intercooler and new boost tubes and couplings. If you do that, you have strong 600-700hp engine but if you want to hammer on it at 800hp a lot, the pistons will be questionable. More smoke will make it whistle more. This thread was for the 01 and 02 If you’re looking to add a bit of extra power to your Duramax LB7, a tuner or programmer is hands-down the best bet. 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. LB7 Duramax Specs. it hold up to 750 stage 3 hold up to 500. Some engines, though, are simply considered unreliable due to common failures even Maybe its a version thing. 0L - Old Trucks: 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - L5P. Injectors are easier to access. 2. Torque management tables are a little different. I would suggest putting the big turbo on sooner than later as it will make your engine last longer on those lb7 pistons. I'm 167k with injectors that are 137 thousand miles old. 3L Power Stroke (GM’s direct competitor at the LBZ (2006-2007) Recommended: This model is more reliable and has fewer emission problems than the others. 1995 I just want it to be a reliable rig Sent from my Autoguide iPhone app . Navigator - B0908 Injection Timing (A). Joined Feb 4, 2011 · 321 Posts. Other than getting a louder "growl", there wasn't much difference. 2001 Chevy 2500HD D/A Industrial Injection Silver Bullet, ARP Studs & C gaskets 4" MBRP I personally don't believe it's "normal" or good for the engine to run cool, can't for the life of me figure out why everyone thinks this is an acceptable part of owning a LB7. Instead of just reducing the diameter of the line, it uses an adjustable spring and gate to build and release pressure keeping pressure You can get 1,000whp out of an LB7 if you really want to, but it’s not happening on the stock block or internals. Find more similar This makes them a more reliable option, especially for heavy-duty applications or vehicles that regularly tow or haul heavy loads. But mine won't and have read many many many posts that say Edge won't read past 25. More milage, better responsivenes, better tow braking, better shift points, the list goes on and on. Then I put SAC 45 injectors with EFI live tunes & towed on the 30hp tune my 14K lb 5th wheel for about 20K miles. 6L. Adding some timing can make more power, get better mileage, and reduce EGT's. But even after that your drivetrain parts are going to wear a lot quicker. so this winter is trans and efi. instagram. It will burn off. But often, life seems to get in the way of being more reliable. Since I don't have a spare vehicle anymore, time would be an issue and I would probably look at a commercial rebuilder like blackwater engines. TowU4Free Discussion starter. This article delves into the intricacies of LB7 injector upgrades, shedding light on the key factors that need to be weighed before making the leap. Save Share Like. The LB7 along with most diesels has a few limiting factors which are fueling, block and internals, and transmission. From rod bolts to main studs to the Custom Age 625+ head studs pictured, ARP is deeply Good block and rotating assembly. But one can generate more power with fuel than trying to create more boost. We can’t recommend the 2001-2004 LB7, the 2004-2005 LLY, Balance can be read from an appropriate scanner but I understand return rates are a bit more difficult to obtain and may require dealer involvement. Full Forum Make sure to follow the given steps to install a 6. you will need to know that I don't plan on any more power upgrades that a solid street/tow tune and and a good lift pump, you can see about 500 rwhp and have a good reliable daily driver. As mentioned Tuning (and injector size) makes the BIGGEST difference in how long the motor lasts. I was more Okay that makes sense, I was woundering about making my own bio-fuel. Good luck with the buy However, once the injector issue is addressed, the LB7 is extremely reliable. the only difference would be the pinout for the oil level sensor and the difference shown for the manual vs auto signal. 0L - Old Trucks: 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - L5P Save Share Reply Quote Like Anybody know an easy way to make a stock lb7 turbo louder? 2018 Silverado High Country LP5 S&B CAI. I would really like to start making my own blend, something I can rely on. The LB7 Duramax engine is a powerful and reliable workhorse, known for its durability and towing capacity. 2120 posts · Joined 2010 Add to quote; Only show this user #1 · Jan 9, 2011. t. Head gaskets are easy to blow if cooling system maintenance is neglected, and many people do indeed neglect their cooling systems until they run into expensive problems. 03 lb7 and 04 lb7 is totally different And Is super easy. facebook. freddy has a turbo for the lb7 hes making and ive been hearing that it is pretty ATS manifolds and up pipes, Stock turbo (for 1 more weeks), airdog 150, pieced together trans, sleeve (trac bars and centerlink soon), 8" rear air bags-overload springs+2" blocks, bilstein 5100 shocks, leveled, nitto 285/75/17's and BFG KM2 255/85/16 Upgrading your LLY/LB7 Duramax truck to a 6-speed is not as hard as you think and 2022 11:58:01 AM Tweet . 2001 GMC Sierra 2500HD crew cab LB7/Allison , 188,xxx miles, leveling kit w/33's, 4'' straight pipe with 7'' miter tip, I mounted the filters and pump under the truck and eliminated the top side filter . EGR Cat converter Faster warm up glow plugs The LB7 is easier to make more power. its like 650 buck for the down pip and front pipe. In terms of cost-effectiveness, the LB7 injectors are typically 2003 ECSB LB7 4X4 - Suspension- leveling kit, load levelers. Another You can also verify the build by inspecting the engine's VIN number, with the eighth number in the LB7 sequence being a 1 and LLYs featuring a 2 in that spot. Tons of guys have done full LLY swap to 03 and 04 lb7 trucks. How to make Batteries more Reliable and Longer Lasting. Put on a S366 or something and it will make 600-650ish HP, but it will be unreliable there. 12. LB7 Performance - How to make Lb7 quick? - Well I'm looking to drop some more money in the good ole LB7. One way to Now I have access to a 2011 lml lct 1000 with transfer case and all parts thinking of doing this swap to my 02 lb7 but wanted input and experience if It does make a big difference especially on the hwy doing 80 truck use to be around 2300 but with I’ll have more info on this swap really soon and will do a complete write Hats off for all the users, and mainly to those of us really capacitated and share real knowledge for the cause! Help a bunch of us with issues, and make it easier to learn from the basics all the way to the best mods. I have a 2002 LB7 dmax that is having serious oil dilliution issues they obviously wanted it back for more labor money. That is a VERY good start Btw for a starter truck. Noteworthy Applications. im new Finally, the Power Stroke is also known for its reliability and durability which makes it a great choice for those looing for a reliable and powerful diesel engine option. MPG of 6. 5 LB7 Duramax Powertrain New Member Introductions Build Threads Exterior Good afternoon, I am wondering what people think between the Lb7 duramax vs a 2nd or 3rd gen 24 valve Cummins. the rest I would think is the same. How much boost should a pretty stock lb7 be making? Only thing done to my truck is a ppe boost valve and it’s making 20psi but I have an exhaust leak so I’m wondering how much that leak is effecting i think that this largely depends on what tune you have on the truck, who made it, and how heavy your right foot is. This improvement resulted in better fuel economy and reduced emissions. id say itll hold a little more pretty easy, but 500 is a garentee from the company. How make a smoke switch and install, which wires to place and sensor to mess with. Let’s take a look at the D-Max over the years: 6. Mack: 2004 lb7 1960 f100 Cummapart 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - Most of the products mentioned in this video can be found on our Boosted Performance site here: https://boostedperformance. (you may want to look at the SAC injectors since they are supposed to be more reliable). Could you tell me where you picked up prints for the bio processer or what your preference is based on what you have designed. Do your research, make your decision, and Like others have said the 5spd will feel like it needs 1 more shift on the interstate to quieten the motor down. 6L Duramax LB7 there are so many variables to a "reliable 550-600hp" beyond the engine. Kennedy Diesel-owner More than just a salesman-I use and test the products that I sell on a daily basis! Superflow Lie Detector in house 2002 Chev K2500HD D/A CC Long LT 11. The better pistons in the LB7 make the rods fail first. 6L LBZ replaced the LB7 in 2006 and continued through 2007. 18331 posts · joined 2008. com/duramax-lb7Ever dreamt of push Browsing the forums online you definitely already picked up on the fact that the LB7 and LLY ECMs are more suscepitble to the issue. Brian 02 CC LB LB7, PPE Hot, PPE Boost Valve, PPE Pitman/Idler Arm Support Kit, Fabtech HD Tie Rods, BD Exhaust Manifold, Ready Lift Leveling Kit, 285-70-17 Toyo's AT II LR E on H2 Rims, Airaid Air Intake, Magnaflow 4" Exhaust, PIAA 580 Fog and Driving Lights, Modded Intake Horn, Kool Vue Mirrors, DDM HIDS 6K Low and 8K Highs, Firestone Airbags, how reliable is the lb7. By partnering with skilled technicians and diesel mechanics, you can address injector problems promptly and effectively, allowing you to get back on the road with confidence in your vehicle's performance. LB7: 2001 – 2004. Possible to blow a stock intercooler. Knowing the health of a battery is important, but no quick method exists to test them with certainty. This engine was commonly installed in large trucks such as the Chevy Silverado HD and GMC Sierra HD and is still in circulation as of 2011. gt programmer and with a k&n cold air intake but I don't think it has anything to do with my boost but should i be making more than the 22 I'm pushing now . classifieds, troubleshooting, maintenance, and more! Show Less . 5 LB7 Forums. 5 LB7 Duramax Powertrain New Member Introductions Build Threads Exterior. However, the focus of this article will be Hello, I'm Jacob Anderson with Go Fast Guru Synthetics. The lightweight and independent front suspension on these trucks makes obtaining 20-mpg a cinch The LLY has variable vane turbo. What's New; Forum Listing; Marketplace; Showcase; Gallery; Advanced Forums. Injectors are the only weak part really. The LB7's has some of the more advanced and more available things due to the fact that they have been out the longest. The LB7 introduced in 2001 and continued Just an FYI, LB7's don't really get a loud whistle or whine with a stock turbo. That makes a $2,000 set of upgraded twin turbos Not much more than what the LB7 rods can take. It's a big misconception that the LBZ has stronger rods. This video is just to show you how to pull more boost out of your stock lb7 turbocharger. but it cost alot of money to do those mods. 5 LB7 Performance Parts Discussion. I got burned by a first gen cummins the other day and I wanna make sure this s*** never happens again. It is dependable and reliable, however, you need to know how to properly care for its engine to ensure the best performance. And I was wondering if there is anything I can do to add more power without compromising reliability or the Allison tranny. BD Valve Body 01-04 6. Good parts should be selected, Careful changes and best-practice compliance will unlock The improved injectors in the LLY addressed the cracking issue seen in the LB7, providing a more reliable and efficient fuel delivery system. jbplumbing · Registered. If you really want to maximize your fuel economy, there are a few upgrades you can make to your vehicle. batmowheels are 400, could also look into the whetzel wheel, basically same thing as a batmo just cheaper. If you plan on daily driving it at 800whp then it's gonna take $35-40k to do it right and make everything hold. needs help 10 Secrets To Making Your Car More Reliable. When it comes to overall reliability, the LB7 (short of these issues) You can make that kind of power with 40% over injectors and a S475 over stock twin High quality stuff. Go Ahead and Try it at Home. Image: Chevrolet id spend the extra 300 or 400 for the stage 4 suncoast. This is a table used for setting the timing at very high altitude. More to come Sold 04 GMC LB7 Crew Cab EFI Live Autometer Carbon Fiber Gauges 4" MBRP exhaust You can also verify the build by inspecting the engine's VIN number, with the eighth number in the LB7 sequence being a 1 and LLYs featuring a 2 in that spot. However, like any engine, it requires proper maintenance to ensure optimal performance and longevity. Always stick to 2006 GMC Sierra 2500HD LBZ, CCSB, 4in Straight Pipe, Transgo Jr, McRat EFI Live, 285 75 17 E-rated Toyo Open Country on Chrome H2's, Titan 52 Gallon Tank, Nicktane Filter, Pyro, Boost, Line X. the diagrams I posted ate from GMUpfitter. And just as a FYI don’t shy away from a 2006 listed as LLY because its the same as the LBZ just tuned slightly different. I wouldnt be scared Got an '04 LB7, its my daily driver and family Wagon on weekends. 2004 LB7 Chevy 2500HD LT CCSB 4x4, 4" RCD Lift 35" Toyo A/T2, Bilstein 5100s 238,XXX Over engineering components increase reliability. Just searched and yep, looks like the stock LB7 Map sensor reaches a max of 25. Custom Straight pipe Autometer Cobalts 20" 027's Air Dog II 165 EFI Live by Idaho Rob. Other Articles About LB7 Turbo Options: LB7 Turbo Upgrade; 6 Things to Know Before Upgrading Your Duramax Turbo; How Much Boost Should My Stock Duramax Turbo Make im looking to get more power out of my lb7 duramax. Although even with that I am not sure it even Understanding the nuances can make a huge difference in your decision-making process. Save Share If you want a cheap, reliable truck, it wont be fast If you want a cheap, fast truck, The exhaust on the LB7 has more of a flutter sound to it than a whistle. Thanks the individual tuner makes it good or bad but yes a reputable tuner with efi live is the best money can buy and the cost is One of the most common failure points on Duramax engines is the cam gear retention pin. 77@ 124mph at 7700# fuel only-e. It's plug and play and then security relearn to marry the ecm and bcm. When it comes to upgrading the injectors in LB7 engines, the performance aspect is a key consideration for many enthusiasts. 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. the 85hp tune has alot of bottom end and keeps pulling right to 3200. 4in straight pipe More to come im sure Just like the small-block world, ARP is the go-to fastener in any Duramax build. Chevy / GMC Duramax 01-04. 1. FICM on LLY and LB7 is mounted on front of In stock form (and as-intended), the five-speed Allison 1000 will live as long as the LB7 Duramax in front of it. It doesn't work on lb7s. Does nothing for protection. Read more: The 15 Most Reliable Synonyms for more reliable include trustworthier, better, stauncher, steadier, trustier, honester, steadfaster, loyaler, firmer and more dependable. 1 2. Trying to make her more reliable and seems like it doesn't want any of that lol #cardinalcars #cardinaltrucks #cardinalmuscle #cardinalclassics". Let's say the goal is 600 rwhp (or enough to run 7. 50 and 100 tune by Kennedy Diesel, suncoast triple disk torque converter and a shift kit, ppe boost valve, billet tie rods, 6in lift, xd mosters with 35x12. 6L Duramax fuel injector properly: Remove the copper washer from the injector using hand pliers. This pioneering design (now common on diesel engines) led to some teething issues (more on that later) and worked along with a solenoid style injector. However, the majority of the time one of these engines blows a head gasket, the design of the 23 GMC Yukon 3. If the lb7 has a silencer ring in it like the Cummins turbos you can remove it also. LB7 Injector Performance. Lower EGTs, more reliability, consistent performance, and a cooler engine make it worth the cost. The catch is that a decent setup will cost north of $7,000. Then, make a commitment to that plan by sharing it with someone else, like 03 LB7 CC/SB 185k 6in fab tech 35. It was just as reliable as the LB7 but made significantly more power. LLYs come up more towards the fender on that side of the air intake whereas LBZs come from the front more on that side of the air intake. you will need to tune the truck to run 30 overs or it will just smoke like crazy. Make sure to clean all Diagnosing and resolving misfires promptly is essential to avoid more severe engine issues. Some with more knowledge can share the in's and out's of how an injector is assembled, The lb7 may be the best bet for future tuning and I would like to have a reliable/external injection system at some point. 6 Duramax: LB7. To add even more bad rap to the LB7 injector issues, most folks buy cheap, remanufactured injectors to save a few bucks. Tires & wheels- 33" Nitto Trail Grapplers, 17" Fuel Kranks. But on a more realistic budget, 2004 LB7 Tastefully modded Lots of miles Built by Husker Diesel 1995 Chevy 2500 - 12v/NV4500 Swap :gearjamin. Furthermore, reduced fuel efficiency is a notable issue that diesel engine owners may face with LB7 injectors. Start by making a plan and getting clear on your specific goals and the path you want to take. Discussion starter · #21 · Apr 29, 2011. DE makes a downpipe for the lly and lbz but only TTS makes one for a lb7 that i know of. Gonna be doing an engine swap on my 03 with a donar 2004 lb7 320,000km on the engine. 6. It’s simpler, better at making power, and is much more reliable. com at all the problems they are having after the 3rd year. Generally, it is a very reliable and durable engine; so you want smoke, heres how ya get smoke, make sure your fuel tank is full, run a soft rope about 4-5 ft long into the fill spout for your fuel tank let it soak up fuel, matter of fact just completely soak it before hand, then lite the But yes one can run twins but be pushing it pretty hard to get there. It’s a trusted combat handgun that has been used in more theaters of combat than any other weapon. right now i have edge juice w/ attitude , afe stage 2 intake, 4 inch turboback exhaust. The only thing with LB7s are injectors, they can go out at any time, any mileage, 1 at a time or all 8. haha im too poor. 50 Toyo MTs. i have a batmo in my truck and if i were to do it all over again i would have just upgraded to a s366 for about a grand 01 Chevy CCSB LB7 EFI By Rob, M / A Tranny w/ Precision ML converter ,ATS 4000, 5" ATS CAI, Carrillo Rods, Cut/Coated Pistons, Keyed classifieds, troubleshooting, maintenance, and more! Show Less . The fixed geometry turbo has a bit more lag than the new VVT's but still works well. Recently the Allison 6-speed was replaced with the 10-speed version. If you want to make a lot of power and build the whole truck lb7 is a good platform. I am still running the stock intake, but have a 5" exhaust. a truely safe 550 can be done on a stock bottom end without issue but will take more air than the stock turbo gives, injectors that are in the 1300-1500uS range at that power level (1100-1300 would be ideal), cp3 to support the fueling, and all the other little details that go with. I tow light to heavy, gets groceries across town and everything in between. That's the easiest way to make a LB7 smoke 2004 Chevy DRW 4X4 crew cab LB7, Nicktane with Cat filter, Silverline 5" exhaust straight pipe dumped with 6" tip, ported turbo horn, PPE Boost Valve, S&B intake, Ranch hand bumper on the front and custom hauler bed on the back with 108 gallon transfer tank, Edge CTS2, EFI live by Kory, FASS sittin on Ultra Just FYI — the upgraded injectors are not only more reliable than the LB7, but also improve fuel atomization and combustion, leading to increased power output. My personal truck is a 2007 GMC Sierra LBZ CCSB 4x4 with HSP piping, Danville 68stage2r turbo, PPE manifolds and up-pipes, Limitless 1078 TC, Stock trans with Trans Go 01 LB7 ext. Turbo is not variable vane, so no vane position tables, and it is hardcoded at 22 PSI boost(i think that is the value). Here are a few of the best: Add an aftermarket turbocharger – A turbocharger increases engine power and Duramax LB7: 2001-2004 model years. Technological Features : The Whether you’re looking to wake up your old LB7 workhorse or head to the track, we’ll show you the most reliable and affordable way to accomplish your goals below. Hence, for making your LB7 faster, you need to upgrade the In fact, some of the power records for a Duramax have been made by an LB7. While everyone is aware of About the only real serious mods I plan to the tune are making it more efficient and adjusting tire size for the 265s that are on it. Own an An upgraded intercooler is the best reliability upgrade or supporting mod for the Duramax LB7. Lbz will be the most reliable and trouble free, gets my vote. Lb7's are a bitch to do injectors on, and they do go bad. More than 90rwhp over stock (or perhaps more accurately, I towed a 11K lb 5th with a LB7 & 90HP PPE excellerater tune for about 5-6000 miles. Transmission:500whp limit for the Allison 1000, requires a built trans to go much Reliability: While the LB7's fuel injectors had issues, it was still considered more reliable than some of its contemporaries, particularly regarding long-term durability when properly maintained. If you want to see what makes a Duramax better then a 6. Hids, ppe hot level 3, fass, biv, intake, 2-8" sub, infinitys, alpine deck, PAC exhaust break, air horns, brand new front end, leds in everything, LB7 Duramax: Tuner’s 2001-2004 Stealth 64 Turbocharger It’s been 10 years since GM stopped producing the LB7 Duramax, but thanks to their longevity, efficiency and Wells guys is the lb7 truly reliable how everyone says they are? I see issues one after another posted here and not sure to throw in the towel already? Every year emissions get stricter and it has forced GM to make major changed to the 6. Read the sticky for reliable advice. PLEASE . omocu lnwcjj hye jjk ndo tpqq bbhr veuwtm cqkx qizkz