LLY Duramax Cold Air Intake Ultimate Guide
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LLY Duramax Cold Air Intake Ultimate Guide

General Motors/Chevrolet produced the Duramax LLY 6.6L diesel V8 engine from 2004–2006. Depending on the mode, it produced 210–310 horsepower and 520–605 lb-ft of torque. It was the replacement for the LB7 V8 diesel engine, and was soon succeeded by the LBZ V8 diesel engine. While at the time, its 210–310 horsepower figure was decent,…

Duramax LLY Mod Guide
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Duramax LLY Mod Guide

General Motors launched the Duramax engine in 2000, and it was the innovation the company needed to secure one of the top spots in the Diesel engine market. However, the company soon realized that it must constantly develop the engine to remain competitive. The first significant attempt to improve the first-generation Duramax engine gave birth…