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Lincoln Workshop Service and Repair Manuals

Cylinder Head Assembly > < Piston Pin, Engine|Specifications|Page 2149
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Piston Ring: Specifications

GENERAL SPECIFICATIONS 

Ring Gap
Compression (Top) ......................................................................................................................................................  1.00 mm (0.03937 inch) MAX
Compression (Bottom) ................................................................................................................................................  1.00 mm (0.03937 inch) MAX
Service Limit ...............................................................................................................................................................  1.15 mm (0.04528 inch) MAX

Oil Ring .............................................................................................................................................................................  1.15 mm (0.04528 inch) MAX

Side Clearance ...............................................................................................................................................  0.075-0.1000 mm (0.0030-0.0040 inch)
Compression (Top) .............................................................................................................................  0.0090-0.0235 mm (0.000354-0.000925 inch)
Compression (Bottom) ................................................................................................................................  0.030-0.080 mm (0.00118-0.00315 inch)
Oil Ring ..........................................................................................................................................................................................................  Snug Fit

Ring Gap 

Compression (Top) ...........................................................................................................................................  0.150-0.300 mm (0.006-0.0018 inch)
Compression (Bottom) ....................................................................................................................................  0.300-0.550 mm (0.0018-0.0022 inch)
Oil Ring (Steel Rail) ........................................................................................................................................  0.15-0.66 mm (0.00591-0.02598 inch)

Ring Groove Width

Compression (Top) ...........................................................................................................................................  1.230-1.250 mm (0.484-0.0492 inch)
Compression (Bottom) ................................................................................................................................  1.520-1.540 mm (0.05984-0.06062 inch)
Oil Ring .............................................................................................................................................................  0.150-0.300 mm (0.006-0.0018 inch)

Cylinder Head Assembly > < Piston Pin, Engine|Specifications|Page 2149