Cougar/XR7 V8-4.6L VIN W (1997)
Piston: Specifications
* Diameter
Red 1 ................................................................................................................................................... 90.167-90.180 mm (3.549875-3.550387 inch)
Blue 2 .................................................................................................................................................. 90.180-90.193 mm (3.550387-3.550898 inch)
Yellow 3 .............................................................................................................................................. 90.193-90.206 mm (3.550898-3.551417 inch)
Piston-to-Bore
Clearance Limit ........................................................................................................................................... 0.012-0.026 mm (0.00047-0.00102 inch)
Piston Pin Bore .......................................................................................................................................... 21.995-21.997 mm (0.86594-0.866602 inch)
Ring Groove Width:
Compression, Top ....................................................................................................................................... 1.530-1.550 mm (0.06024-0.06102 inch)
Compression, Bottom .................................................................................................................................. 1.520-1.540 mm (0.05984-0.06063 inch)
Oil ................................................................................................................................................................ 3.030-3.055 mm (0.11929-0.12028 inch)
* Measure piston skirt diameter 90° to piston pin center axis, 42 mm (1.65 inches) from piston dome.
