Ranger 2WD V6-245 4.0L (1990)
Piston: Specifications
Piston Height (above cyl block surface @ TDC) ............................................................................................................................................ 0.0015-00205
Standard Piston Diameter (measured at the piston pin bore centerline at 90° to the pin) .............................................................................. 3.9524-3.9531
Piston-To-Bore Clearance .............................................................................................................................................................................. 0.0008-0.0019
Piston Pin Bore Diameter .............................................................................................................................................................................. 0.9450-0.9452
Compression Piston Ring Groove Width (Top) ............................................................................................................................................. 0.0803-0.0811
Compression Piston Ring Groove Width (Bottom) ....................................................................................................................................... 0.1197-0.1205
Oil Piston Ring Groove Width ....................................................................................................................................................................... 0.1579-0.1587
