A stock LS3 rec-port intake manifold is hard to beat and only costs $299. When Chevy went back to the drawing board after the success of the cathedral-port Gen III LS1 small-block V-8, it realized ...
The reason behind the loyalty to a particular port shape is the marketing employed for years by both Chevrolet and the aftermarket. From the very beginning, performance big-blocks like the L72, L88, ...
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