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GM's LS3 Vs. LSA Engine: What's The Difference & Which Is Better For Your Needs?
They also introduced new performance and structural improvements, including skirted aluminum blocks (on non-truck variants), six-bolt main bearing caps, and better-flowing cylinder heads ...
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10 Things To Know About GM's LS3 Engine
The LS3 came along in 2008 with a larger capacity, stronger block, better flowing cylinder heads ... Chevrolet and Holden ...