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LLY 6.6 Duramax Tech Articles

The Duramax 6.6 LLY is a great engine with some proper modifications to address trouble areas.  If you have any questions about performance modifications or selecting repair parts for the LLY Duramax, please feel free to give us a call at 1-877-367-9351.


04.5-05 Duramax 6.6 LLY Tech and Troubleshooting Articles:

How to tell if you LLY Duramax Diesel has bad head gaskets