Lt1 Aluminum Rocker Arms And 58Mm Throttle Body Upgrade Stock Edelbrock Intake Manifold
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While in Part II we simply bolted up Edelbrock's Performer LT1 heads to the Air-Gap intake, this time RaceKrafters took the liberty of hand porting the intake runners one inch from the surface of the heads (matching them to the intake gasket). If you recall, these heads came from Edelbrock with some very minimal CNC work that protruded only a half-inch from the opening. But our hypothesis was that an uneven transition from the intake to the gasket to the heads caused a restriction in flow. View Related Article
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