ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Cylinder Head Assembly > < Disassembly and Assembly|Page 2490
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Piston Ring: Specifications

Piston

Ring end gap

Top compression .................................................................................................................................................  0.29 - 0.55 mm (0.011 - 0.021 inch)
Intermediate compression ...................................................................................................................................  1.40 - 1.66 mm (0.055 - 0.065 inch)
Oil control ...........................................................................................................................................................  0.24 - 0.50 mm (0.009 - 0.019 inch)

Ring groove width (measured over 2.08 mm (0.082 inch) gauge pins)

Upper limit - 94.469 mm (3.7192 inch)
Replacement limit - 94.290 mm (3.7122 inch)

Ring width .........................................................................................................................................................................................................................  -
Ring-to-groove clearance ..................................................................................................................................................................................................  -

Cylinder Head Assembly > < Disassembly and Assembly|Page 2490