How To Tell If A Duramax Engine Is An LB7 Or LLY
The collaboration indeed birthed the Duramax ... a 2 in that spot. Read more: The 15 Most Reliable Pickup Trucks Of All Time, ...
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The Most Reliable Duramax Diesel Engines (And Which To Avoid) According To Owners
[Image by Joe Haupt via Flickr | Cropped and scaled | CC BY-SA 2.0] In mid-2004, Chevy followed up the LB7 with the LLY Duramax, which boasted a new injector design that made servicing much easier.