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Home >> Ford >> 1996 >> Aerostar Van Window >> Repair and Diagnosis >> External Pages >> Different car >> Section 140 (Engine - 4.9L 6-CYL - VIN [Y]) >> Overhaul >> Cylinder Head >> Valve Seat Correction Angles

Valve Seat Correction Angles

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Grind valve seat to a true 45-degree angle. If seat width is too wide after grinding, use a 30-degree stone to lower seat or a 60-degree stone to raise seat. See CYLINDER HEAD  table under ENGINE SPECIFICATIONS.