F 150 2WD Pickup V8-4.6L SOHC VIN W (1998)
Piston Ring: Specifications
GENERAL SPECIFICATIONS
Oil Ring-Side Clearance ............................................................................................................................................................... 1.25 mm (0.05 in.) Max
Oil Ring-Compression (Top) ................................................................................................................................... 0.040-0.090 mm (0.0016-0.0031 in.)
Oil Ring-Compression (Top) ................................................................................................................................. 0.030-0.080 mm (0.0012-0.00031 in.)
Oil Ring ................................................................................................................................................................................................................ Snug Fit
Oil Ring- Service Limit .......................................................................................................................................................... 0.015 mm (0.0006 in.) Max
Ring Gap
Compression (Top) ........................................................................................................................................................ 0.23-0.49 mm (0.01-0.02 in.)
Compression (Bottom) ................................................................................................................................................... 0.23-0.49 mm (0.01-0.02 in.)
Oil Ring (Steel Rail) .................................................................................................................................................. 0.05-0.66 mm (0.006-0.026 in.)
