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What is the fuel economy of a Duramax?

What is the fuel economy of a Duramax?

PPE Economy Xcelerator 01-10 6.6L LB7/LLY/LBZ/LMM Duramax PPE-111010000 3.00 PPE (Pacific Performance Eng.) 111010000 The Xcelerator will increase fuel economy with the side effects of more torque/Horsepower and better throttle response. Superchips FlashPaq F5 Tuner 01-16 6.6L GM Duramax / Gas Applications SCI-2845 5.00 Superchips 2845

What are the most common 6.6L LB7 Duramax problems?

What Are The Most Common 6.6L LB7 Duramax Problems? The LB7 Duramax engine made its debut on Chevrolet and GMC HD trucks in 2001. These diesel engines are where the Duramax started, and they have been so successful that the Duramax are still used in GM HD trucks today.

What causes a Duramax crankcase to leak fuel?

The ball seat can deteriorate over time, resulting in an incomplete seal, and ultimately, injector leaking. Both of these issues result in fuel leaking from the injector which can then enter the crankcase. This can lead to more serious problems, as diesel fuel doesn’t offer the same lubrication properties as oil.

Is the LBZ Duramax water pump prone to leaking?

Unlike the LBZ Duramax, the LB7 Duramax water pump is prone to leaking, not outright failure. The OEM water pump uses an iron impeller which makes it much more durable than the plastic impeller used on newer models. Instead, over time the seals can deteriorate resulting in lower coolant levels because of coolant loss.

What is the first year of the Duramax?

The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 6.5L Detroit diesel. In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.

When did the GMC Duramax Allison 1000 come out?

In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace. 2001 also introduced the Allison 1000, arguably the first automatic transmission in its class worthy of being mated to a powerful diesel.

When did the GMC Duramax LB7 come out?

Duramax LB7 Specs & Info. The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 6.5L Detroit diesel. In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.

Are there any problems with the Duramax diesel engine?

Overheating issues with the Duramax diesel seems to be a hit-or-miss problem; some owners experience it, while others never will. Regardless, it’s more common with the Duramax than other engines.

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Ruth Doyle