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Dodge 6.1 Hemi Cylinder Head Flow Data

Hemi Magnum Heads

Comparitive Analysis - Stock 6.1 Hemiheads and Ned ported heads

Intake Port Flow

Hemi 6.1 - intake flow comparison

Exhaust Port Flow

Hemi 6.1 - exhaust flow comparison

Cylinder Head Porting Modifications performed by Ned Erkman and Cylinder Head Machining Modifications Performed by Serge Tourikian
All Viper Cylinder Head Modifications and Flow Testing conducted at Rolling Thunderz