An upgraded intercooler is the best reliability upgrade or supporting mod for the Duramax LB7. While it won’t provide big power gains like the other bolt-on mods, it will help keep EGTs and engine temps lower while also providing more consistent performance. Whether you are stock or heavily modified an intercooler will provide great performance... The post Duramax LB7 Intercooler Upgrade Guide appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado
The LML engine got a major overhaul in 2011, compared to the previous LMM Duramax engine. It featured nearly 60% freshly designed parts, only leveraging a portion of the previous engine design. Up to this point, all of the previous Duramax’s had some internal weaknesses and common problems with bending rods and cracking pistons. The... The post Duramax LML vs. LMM Engine Differences appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado
The exhaust system on the Duramax LB7 is one of the most restrictive parts with respect to performance. If you are looking to increase power, especially if you are tuned, an exhaust is one of the best LB7 upgrades. With power gains ranging from 20-30+whp and 40-60+wtq an upgraded exhaust will provide big power gains,... The post 6.6L Duramax LB7 Exhaust Upgrade Guide appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado
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. Tuning will unlock the biggest horsepower gains for a relatively inexpensive price, making it the best bang-for-your-buck LB7 modification. In addition to adding upwards of 100whp and 150+wtq tuning will provide better... The post Duramax LB7 Tuning Guide appeared first on Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado
We all know the Duramax engine's main advances - the sheer power, torque, longevity, and reliability. But, what about fuel economy? Their fuel efficiency is around 15 miles per gallon. From there comes one of their most frequent questions - how to get 30 MPG with a Duramax. There are a couple of ways to reduce money on fuel costs. You can tune the truck so it will have better fuel economy. The other way that can supplement the first is upgrading the exhaust system. Other factors are mainly co...| AxleWise
As cities tend to become more and more populated, the problem of transport becomes more and more complicated. Endless traffic jams, with numerous cars pointlessly idling while unnecessarily burning excess amounts of fuel. Also, some drivers still think that it is good to "warm up the engine" before driving. That draws an important question - is it better to leave the diesel engine running? The short and simple answer is no; leaving the diesel engine running is not better. There is an old my...| AxleWise
Chevy produced a whole line of great diesel engines in their Duramax family. They listened to the drivers and always worked on new and improved engines. In 2006. came an LBZ Duramax, now known as the most reliable Duramax until then. If you are buying a used Duramax engine, you should know how long an LBZ Duramax lasts. That way you can choose the right engine for you. If handled and maintained properly, the LBZ can easily last over 300,000 miles without major repairs. If you fell in love wit...| AxleWise
The newest Duramax L5P engine is still a mystery to some truck owners. It has a slightly different fuel system that includes a lift pump. When a fuel filter monitor shows that it is time for replacement, what do you have to deal with? How many fuel filters on a 2020 Duramax are installed? The 2020 Duramax still has only one diesel fuel filter. Some upgraded options include a secondary fuel filter that works as an additional filter that blocks most of the water from mixing with the fuel. The L...| AxleWise
Every vehicle produces certain levels of harmful emission nitrogen oxide (NOx) gasses. The number of vehicles on the roads triggered a need to lower the emission rate of those gases. One of the means to do that is with the introduction of DEF in diesel vehicles. DEF has an impact on the vehicle and maintenance. If you are looking to buy a used Duramax, it is good to know what year did Duramax start using DEF. So, what year did Duramax start using DEF? The first generation of Duramax engines t...| AxleWise
Learn all about the LM2 and LZ0 3.0 Duramax diesel engine from GM. Covering engine design, specs, problems, reliability, and performance mods.| Chevrolet and GMC Truck Information: Silervado, Sierra, and Colorado