CarBuzz on MSN
The Cummins turbodiesel inline-six is so reliable it's still in production after 30 years
Few engines have enjoyed as long a reign as this popular diesel.
"Solely available for Duramax owners, EFILive tuning can yield serious power gains for the 6.6L. Arguably, no single tuning software empowers the diesel owner quite like EFILive. With its OBD-II ...
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