Chevy LS7 Engine - Mechanical Mastery
Reports peg the intake port flow in the area of 360 cfm as delivered at the engine's peak valve lift, putting the flow capabilities in a league of its own. Technical highlights here include a raised runner with substantially enlarged cross section, full CNC porting, a 2.20-inch valve, and valves set at a 12 degree angle, in contrast to the LS 1/2/6's 15 degrees or the original smallblock's 23 degrees. Note that the familiar cathedral- shaped entrance of the LS1 is gone.
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