Ford Workshop Service and Repair Manuals

Crankshaft: Specifications

Crankshaft 

Main bearing bore inside diameter.......................................................................................................................... 85.99-86.01 mm (3.3854-3.3862 inch)
Main bearing journal

Diameter

Standard size........................................................................................................................................... 80.9873-81.0127 mm (3.188-3.150 inch)
0.254 mm (0.010 inch) undersize........................................................................................................... 80.7333-80.7587 mm (3.178-3.140 inch) 
0.508 mm (0.020 inch) undersize........................................................................................................... 80.4793-80.5047 mm (3.168-3.130 inch) 
0.762 mm (0.030 inch) undersize............................................................................................................ 80.2253-80.2507 mm (3.158-3.120 inch)

Journal-to-cylinder block clearance.................................................................................................................... 0.020-0.086 mm (0.008-0.0034 inch)

Connecting rod journal diameter

Standard size ...............................................................................................................................................  68.99 to 69.01 mm (2.716 to 2.717 inch) 
0.254 mm (0.010 inch) undersize.................................................................................................................. 68.73 to 68.75 mm (2.706 to 2.707 inch)
0.508 mm (0.020 inch) undersize.................................................................................................................. 68.48 to 68.50 mm (2.696 to 2.697 inch)
0.762 mm (0.030 inch) undersize.................................................................................................................. 68.23 to 68.25 mm (2.686 to 0.687 inch)

Maximum crankshaft end play......................................................................................................................................................... 0.508 mm (0.020 inch)