ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Piston Pin, Engine > < Engine Crankshaft - Pulley Bolt Service Precautions|Page 2184
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Piston: Specifications

Piston

Diameter (1) ...................................................................................................................................................................  87.5-87.51 mm (3.444-3.445 in.)
Diameter (2) .............................................................................................................................................................  87.51-87.52 mm (3.4452-3.4456 in.)
Diameter (3) .................................................................................................................................................................  87.52-87.53 min (3.444-3.446 in.)
Piston-to-bore clearance ..........................................................................................................................................  0.025-0.045 min (0.0009-0.0017 in.)
Ring groove width - top ...........................................................................................................................................  1.203-1.205 min (0.0473-0.0474 in.)
Ring groove width - 2nd ..............................................................................................................................................  1.17-1.19 min (0.0460-0.0468 in.)
Ring groove width - oil ............................................................................................................................................  2.501-2.503 min (0.0984-0.0985 in.)
Piston skirt coating thickness ...................................................................................................................................  0.008-0.020 min (0.0003-0.0007 in.)

Piston Pin

Diameter ..................................................................................................................................................................  20.995-21.0 min (0.8266-0.8268 in.)
Length ..............................................................................................................................................................................  59.6-60.4 min (2.346-2.377 in.)
Piston-to-pin clearance ............................................................................................................................................  0.008-0.016 min (0.0003-0.0006 in.)
Pin-to-rod clearance ..............................................................................................................................................................................................  Press fit

Piston Pin, Engine > < Engine Crankshaft - Pulley Bolt Service Precautions|Page 2184