How To Tell If A Duramax Engine Is An LB7 Or LLY
As for those first Duramax Turbo-Diesel builds ... they were eventually replaced by Duramax builds branded LLY. That ...
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Duramax Diesel Generations By Year: A Complete History
The LLY's turbo is also notable for being the largest turbo ever on a Duramax engine, bigger than even the cutting-edge L5P's. Despite solving the injector issue, the LLY seemingly introduced a ...