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Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax Powertrain 2002 Lb7, a good find?? Jump to ... I bought an 03 lb7 cclb about a year ago with 144 on the clock the biggest problem I've had with this truck and most recently was the head gasket passed antifreeze lucky for me noticed it the same day it happened because …Jan 1, 2019 · 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. 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.Introduced in 2001 as a joint venture between GM and Isuzu, the Duramax V-8 was the General's bid to one-up Ford and Chrysler's newest generation of powerful and efficient diesels....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 ...Duramax Horsepower & Torque Figures by Model Year. Model Year (s) Horsepower. Torque. RPO Code. 2001 - 2002. 300 hp @ 3,100 rpm. 520 lb-ft @ 1,800 rpm. LB7.The most powerful Duramax engine of the bunch is the LBZ which produces more power and torque at the least RPMs. It comes with a power output of 310 bhp at 3000 rpm. The …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 ...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 ...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...May 2, 2016 · 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. engine and tranny wise all lb7, lly, lbz, lmm's are probably the most reliable vehicles gm makes our shop has only seen one or two allys come in with actuall issues. and the duramax besides the lb7 injectors and the occasionall cp3 pump are bullet proof. 2002 Crewcab short box 3/4 tonHD lb7 W/Allison stock, ATS DIESEL E-POWER …Let’s take a look at the highlights of other powerplants within the Duramax family that are reliable. LB7 2001-2003. This engine is getting to be pretty old now, but it is still powerful and reliable. So, it’s a good candidate for what are the best years for the Duramax. Because of its age, it’s probably the cheapest Duramax engine around.The LB7 was the first generation Duramax and a great engine that is popular with the hot rod community because it can be tuned to produce as much as 1000HP. In short, the core difference between Duramax LB7 and LBZ is the fact that LB7 has 300 hp and 560 lb-ft of torque with a fuel tank size of 26 Gallons whereas the LBZ …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 …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.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, …LB7 white smoke. One of the best ways to check if injectors are badMake your LB7 fuel system repairs with confinden 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 … The result is a Camaro with an LB7 Duramax fit snuggly under the facto Out of the stream of unceasing culture and news, a list encapsulates, it closes a loop. “We were here,” a list says, in its own small way, “at least for one more year.” Want to esc... 27756 posts · Joined 2008. #5 · Feb 5, 2021.

6.6L Duramax diesel timeline identifying factory horsepower and torque ratings for 2001 to current applications. Use this chart to identify the factory output ratings for your Duramax …Quick spool up. Big power. Great daily driver. Models available for 2001-2016 Duramax (LB7, VVT, LML) Stealth 67G2: Our test truck, the well known Apachemax, is a 1958 Chevrolet Apache modified onto a 2003 Silverado 2500HD frame. We dropped a built LB7 engine with 100% Exergy Injectors, 12mm Exergy Cp3, and all the supporting mods to …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.

Exergy Reman Performance +60% injectors appropriate if you have already upgraded (or plan to) your transmission, high-pressure fuel pump, low pressure fuel pump, turbocharger, tuning calibration, and have installed supporting mods like traction bars, cold air intake, and intercooler piping. If this is too much, consider our +45% injectors or +30% injectors. For …2001-2004 LB7. The LB7 Duramax engine is a turbocharged, intercooled V8 that produces 300 hp and 560 lb-ft of torque. ... Now that we've discussed some of the best years for the Duramax engine ...Up by 13% so far this year, the market is having its best start in over two decades. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Chevy / GMC Duramax 01-04.5 LB7 Forums. 01-04.5 LB7 Duramax P. Possible cause: Duramax LB7 and LBZ are both 6.6L diesel engines. The LB7 is a 1st generation e.