Ford 2003 Mustang Workshop Manual page 882

SECTION 303-00: Engine System — General Information
GENERAL PROCEDURES
Cylinder Bore —Taper
1. Measure the cylinder bore at the top, middle, and bottom of piston ring travel in two directions
as indicated. Verify the cylinder bore is within the wear limit. The difference indicates the
cylinder bore taper. Bore the cylinder to the next oversize.
Refer to the appropriate section in Group
2003 Mustang Workshop Manual
303 for the procedure.