Valve Seat Correction Angles
WARNING: This page is about a different car, the 1994 Plymouth Sundance, 1994 Plymouth Acclaim, 1994 Dodge Spirit, 1994 Dodge Shadow, and 1994 Chrysler LeBaron. However, it is still accessible from the selected car via links, so may be relevant.
If seat width is too wide after grinding, use a 15-degree or 65-degree stone to alter seat width. A 15-degree stone will lower valve seat and a 65-degree stone will raise valve seat.