The 6.7 Cummins and 6.6 Duramax diesel engines are both reliable and solid, but they do differ in some ways. Here's the ...
with the 2006 LBZ V8 Duramax being a particularly high point for the engine series in terms of reliability, as it received ...
GM has settled a class action lawsuit for $35 million after claims that Duramax fuel pumps were prone ... which could severely damage the fuel system and cause engine shutdowns.
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