Ford Intake Manifold Swapping Valve Covers
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Martin then removed the valve covers and swapped the stock cams for Ford Racing's Hot Rod camshafts. The stock cams measure 11 mm, or 0.433-inch lift with 177/199 duration at 0.050 respectively, while the Hot Rod cams measure 12 mm, or 0.472-inch lift with 221/240 duration at 0.050..... View Related Article
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