While the Duramax engine family has been around for a while, only the LBZ can truly claim to be the Holy Grail of GM's heavy ...
The Chevy 454 and Pontiac 455 V8 engines both came from General Motors. What are the biggest differences between them, and how does their history compare?
General Motors is currently investigating reports of an occasional misfire affecting vehicles equipped with the 3.0L I6 LZ0 ...
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