The LLY (internally called the 8GF1) (engine code "2") is a 6.6 L; 402.7 cu in (6,599 cc) turbocharged engine which debuted in mid-2004 and continued until the end of 2005 (except …

Complete information, specs, power and torque ratings on the GM Duramax turbo-diesel engines used in GM pickup trucks, SUVs and vans.

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A forum community dedicated to Chevy and GMC Duramax diesel owners and enthusiasts. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and …

Dec 16, 2025 · Unlock your knowledge potential of Duramax diesel engines with our comprehensive blog on Duramax News. Enjoy expert insights on upgrades, maintenance tips, …

Jul 22, 2024 · GM advances the half-ton diesel game, even though it's the only one playing.

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