Dynasty V6-181 3.0L SOHC (1991)
Piston Ring: Specifications
PISTONS
O.D. ........................................................................................................................................................................................................ 91.1 mm (3.587 in.)
Clearance ......................................................................................................................................................................... 0.02 - 0.04 mm (.0008 - .0016 in.)
Ring groove width
No. 1 .................................................................................................................................................................................... 1.51 - 1.53 mm (.0594.0602 in.)
No.2 ...................................................................................................................................................................................... 1.51-1.53 mm (.0594-0602 in.)
Oil .................................................................................................................................................................................... 4.010-4.035 mm (.1579-.1589 in.)
Service sizes
................................................................................................................................................................................................... 0.25 mm (.010 in.) Oversize
................................................................................................................................................................................................... 0.50 mm (.020 in.) Oversize
..................................................................................................................................................................................................... 0.75 mm (.30 in.) Oversize
................................................................................................................................................................................................... 1.00 mm (.039 in.) Oversize
PISTON RINGS
Side clearance
No. 1 .................................................................................................................................................................................... 0.03-0.09 mm (.0012-.0035 in.)
Limit ....................................................................................................................................................................................................... 0.1 mm (.004 in.)
No. 2 .................................................................................................................................................................................... 0.02-0.06 mm (.0008-.0024 in.)
Limit ....................................................................................................................................................................................................... 0.1 mm (.004 in.)
End gap
No. 1 .................................................................................................................................................................................... 0.30-0.45 mm (.0118-.0177 in.)
Limit ........................................................................................................................................................................................................ 0.8 mm (031 in.)
No. 2 .................................................................................................................................................................................... 0.25-0.40 mm (.0098-.0157 in.)
Limit ........................................................................................................................................................................................................ 0.8 mm (031 in.)
Oil ring side rail ............................................................................................................................................................... 0.20 - 0.70 mm (.0079 - .0276 in.)
Limit ....................................................................................................................................................................................................... 1.0 mm (.039 in.)
Service sizes
................................................................................................................................................................................................... 0.25 mm (.010 in.) Oversize
................................................................................................................................................................................................... 0.50 mm (.020 in.) Oversize
................................................................................................................................................................................................... 0.75 mm (.030 in.) Oversize
................................................................................................................................................................................................... 1.00 mm (.039 in.) Oversize
