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		<title>GM 6.6 Duramax V8: Complete Expert Guide to Performance, Reliability, Common Problems &#038; Maintenance</title>
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		<pubDate>Sun, 22 Mar 2026 06:53:23 +0000</pubDate>
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					<description><![CDATA[Why is the GM 6.6 Duramax V8 simultaneously praised as the most capable heavy-duty diesel in America—yet feared for its emissions system complexity? Since 2001, the Duramax 6600 engine family has powered millions of Chevrolet Silverado HD and GMC Sierra HD trucks across six distinct generations. Now in its L5P configuration, the 6.6L Duramax delivers ... <a title="GM 6.6 Duramax V8: Complete Expert Guide to Performance, Reliability, Common Problems &#38; Maintenance" class="read-more" href="https://engineguide.net/gm-6-6-duramax-v8-l5p-expert-guide-problems-repair/" aria-label="Read more about GM 6.6 Duramax V8: Complete Expert Guide to Performance, Reliability, Common Problems &#38; Maintenance">Read more</a>]]></description>
		
		
		
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		<title>GM 3.0 Duramax LM2/LZ0: Complete Expert Guide to Performance, Reliability, Common Problems &#038; Maintenance</title>
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		<pubDate>Fri, 20 Mar 2026 05:48:08 +0000</pubDate>
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		<category><![CDATA[Duramax tuning]]></category>
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		<category><![CDATA[Sierra diesel]]></category>
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					<description><![CDATA[Introduction: The Mini-Duramax That Divided Diesel Enthusiasts Why does the GM 3.0 Duramax simultaneously earn praise from automotive journalists for its 30+ MPG highway capability yet generate concern among mechanics about $10,000 timing chain repairs and complex oil pump belt service intervals? Since its 2019 debut as General Motors&#8217; answer to Ford&#8217;s PowerStroke 3.0L and ... <a title="GM 3.0 Duramax LM2/LZ0: Complete Expert Guide to Performance, Reliability, Common Problems &#38; Maintenance" class="read-more" href="https://engineguide.net/gm-3-0-duramax-expert-guide-problems-repair/" aria-label="Read more about GM 3.0 Duramax LM2/LZ0: Complete Expert Guide to Performance, Reliability, Common Problems &#38; Maintenance">Read more</a>]]></description>
		
		
		
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