C 2500 3/4 Ton Pickup 2WD L6-250 4.1L VIN D 2-bbl (1984)
Piston Ring: Specifications
End Gap
Compression
0.01 in
Note: Minimum
Oil
0.015 in
Side Clearance
Compression Top
0.0012-0.0020 in
Second
0.0012-0.0032 in
Oil
0.005 in
Note: Maximum
GMC Workshop Service and Repair Manuals
Cylinder Head Assembly >
< Piston Pin Dimensions|Page 1134
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