Chevy LS7 Engine - Mechanical Mastery
The deep CNC-ported exhaust ports are said to deliver 214 cfm of air flow at 28 inches of water depression. Also visible here are the "Beehive" shaped valvesprings, which reduce critical mass and are less prone to harmonic disturbance than conventional parallel-wound springs. The small diameter retainers also reduce mass at the valve side of the system. View Related Article
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