Chrysler Workshop Service and Repair Manuals

Piston Pin: Specifications

Pistons

Piston Diameter .............................................................................................................................................  87.463 - 87.481 mm (3.4434 - 3.4441 inch)
Clearance * ...............................................................................................................................................................  0.024 - 0.057 (0.0009 - 0.0022 inch)
Weight .......................................................................................................................................................................  332 - 346 grams (11.85 - 12.20 oz.)
Land Clearance (Diametrical) ...............................................................................................................................  0.614 - 0.664 mm (0.024 - 0.026 inch)
Piston Length ...................................................................................................................................................................................  60.3 mm (2.374 inch)
Piston Ring Groove Depth

No. 1 ................................................................................................................................................................  4.640 - 4.784 mm (0.182 - 0.188 inch)
No. 2 ................................................................................................................................................................  4.575 - 4.719 mm (0.180 - 0.185 inch)
No. 3 ................................................................................................................................................................  4.097 - 4.236 mm (0.161 - 0.166 inch)

* @ 14 mm (9/16 inch) from bottom of skirt

Piston Pins

Clearance in Piston ............................................................................................................................................  0.005 - 0.018 mm (0.0002 - 0.0008 inch)
Clearance in Connecting Rod ..........................................................................................................................................................................  Interference
Diameter ........................................................................................................................................................  21.998 - 22.003 mm (0.8660 - 0.8662 inch)
End Play ....................................................................................................................................................................................................................  None
Length ...................................................................................................................................................................  72.75 - 73.25 mm (2.864 - 2.883 inch)

Piston Rings

Ring Gap-Top Compression Ring

Standard ............................................................................................................................................................  0.25 - 0.51 mm (0.0098 - 0.020 inch)
Wear Limit ...................................................................................................................................................................................  0.8 mm (0.031 inch)

Ring Gap-2nd Compression Ring

Standard ..............................................................................................................................................................  0.23 - 0.48 mm (0.009 - 0.018 inch)
Wear Limit ...................................................................................................................................................................................  0.8 mm (0.031 inch)

Ring Gap-Oil Control Steel Rails

Standard ............................................................................................................................................................  0.25 - 0.64 mm (0.0098 - 0.025 inch)
Wear Limit ...................................................................................................................................................................................  1.0 mm (0.039 inch)

Ring Side Clearance-Compression Rings

Standard ......................................................................................................................................................  0.030 - 0.080 mm (0.0011 - 0.0031 inch)
Wear Limit .................................................................................................................................................................................  0.10 mm (0.004 inch)

Ring Side Clearance-Oil Ring Pack ..................................................................................................................  0.012 - 0.178 mm (0.0004 - 0.0070 inch)
Ring Width

Compression Rings .............................................................................................................................................  1.47 - 1.50 mm (0.057 - 0.059 inch)
Oil Ring Pack 1 .................................................................................................................................................  2.72 - 2.88 mm (0.107 - 0.1133 inch)