Aerostar 2WD V6-183 3.0L (1991)
Piston Ring: Specifications
Compression Ring Groove Width (Top) .................................................................................................................... 1.530-1.555 mm (0.0602-0.0612 in.)
Compression Ring Groove Width (Bottom) .............................................................................................................. 1.530-1.555 mm (0.0602-0.0612 in.)
Oil Ring Groove Width .............................................................................................................................................. 4.030-4.055 mm (0.1587-0.1596 in.)
Compression Ring Width (Top) ................................................................................................................................. 1.460-1.490 mm (0.0575-1.0587 in.)
Compression Ring Width (Bottom) ........................................................................................................................... 1.460-1.490 mm (0.0575-0.0587 in.)
Oil Ring Width (Side Seal) ..................................................................................................................................................................................... Snug Fit
Piston Ring Service Limit (Side Clearance) ................................................................................................................. 0.15 mm MAX. (0.0006 in. MAX.)
Compression Ring Gap (Top) (In Gauge) .............................................................................................................................. 0.25-0.50 mm (0.01-0.02 in.)
Compression Ring Gap (Bottom) (In Gauge) ........................................................................................................................ 0.25-0.50 mm (0.01-0.02 in.)
Oil Ring Gap (Steel Rail) (In Gauge) ................................................................................................................................ 0.25-1.25 mm (0.010-0.049 in.)
1st Ring Side Clearance ............................................................................................................................................. 0.040-0.095 mm (0.0016-0.0037 in.)
2nd Ring Side Clearance ............................................................................................................................................ 0.040-0.095 mm (0.0016-0.0037 in.)